From be45f1d28f9c8058a6d652f340e2973223a4e290 Mon Sep 17 00:00:00 2001
From: Kyle Conroy <kyle@conroy.org>
Date: Thu, 30 Jul 2020 11:17:57 -0700
Subject: [PATCH 1/3] tools: Generate functions for all of contrib

---
 internal/tools/sqlc-pg-gen/main.go | 140 +++++++++++++++++++++++++----
 1 file changed, 125 insertions(+), 15 deletions(-)

diff --git a/internal/tools/sqlc-pg-gen/main.go b/internal/tools/sqlc-pg-gen/main.go
index f0c16467a3..2500c77692 100644
--- a/internal/tools/sqlc-pg-gen/main.go
+++ b/internal/tools/sqlc-pg-gen/main.go
@@ -59,14 +59,16 @@ ORDER BY 1;
 `
 
 const catalogTmpl = `
-package postgresql
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package {{.Pkg}}
 
 import (
 	"github.com/kyleconroy/sqlc/internal/sql/ast"
 	"github.com/kyleconroy/sqlc/internal/sql/catalog"
 )
 
-func gen{{.Name}}() *catalog.Schema {
+func {{.Name}}() *catalog.Schema {
 	s := &catalog.Schema{Name: "pg_catalog"}
 	s.Funcs = []*catalog.Function{
 	    {{- range .Funcs}}
@@ -92,7 +94,29 @@ func gen{{.Name}}() *catalog.Schema {
 }
 `
 
+const loaderFuncTmpl = `
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package postgresql
+
+import (
+	"github.com/kyleconroy/sqlc/internal/engine/postgresql/contrib"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func loadExtension(name string) *catalog.Schema {
+	switch name {
+	{{- range .}}
+	case "{{.Name}}":
+		return contrib.{{.Func}}()
+	{{- end}}
+	}
+	return nil
+}
+`
+
 type tmplCtx struct {
+	Pkg   string
 	Name  string
 	Funcs []catalog.Function
 }
@@ -220,48 +244,134 @@ func run(ctx context.Context) error {
 		return err
 	}
 	out := bytes.NewBuffer([]byte{})
-	if err := tmpl.Execute(out, tmplCtx{Name: "PGCatalog", Funcs: funcs}); err != nil {
+	if err := tmpl.Execute(out, tmplCtx{Pkg: "postgresql", Name: "genPGCatalog", Funcs: funcs}); err != nil {
 		return err
 	}
 	code, err := format.Source(out.Bytes())
 	if err != nil {
 		return err
 	}
-	err = ioutil.WriteFile(filepath.Join("internal", "engine", "postgresql", "pg_catalog.gen.go"), code, 0644)
+	err = ioutil.WriteFile(filepath.Join("internal", "engine", "postgresql", "pg_catalog.go"), code, 0644)
 	if err != nil {
 		return err
 	}
 
-	// https://www.postgresql.org/docs/current/contrib.html
-	extensions := map[string]string{
-		"citext":    "CIText",
-		"pg_trgm":   "PGTrigram",
-		"pgcrypto":  "PGCrypto",
-		"uuid-ossp": "UUIDOSSP",
-	}
+	loaded := []extensionPair{}
+
+	for _, extension := range extensions {
+		name := strings.Replace(extension, "-", "_", -1)
+
+		var funcName string
+		for _, part := range strings.Split(name, "_") {
+			funcName += strings.Title(part)
+		}
 
-	for extension, name := range extensions {
 		_, err := conn.Exec(ctx, fmt.Sprintf("CREATE EXTENSION IF NOT EXISTS \"%s\"", extension))
 		if err != nil {
-			return err
+			log.Printf("error creating %s: %s", extension, err)
+			continue
 		}
+
 		rows, err := conn.Query(ctx, extensionFuncs, extension)
+		if err != nil {
+			return err
+		}
 		funcs, err := scanFuncs(rows)
 		if err != nil {
 			return err
 		}
+		if len(funcs) == 0 {
+			log.Printf("no functions in %s, skipping", extension)
+			continue
+		}
 		out := bytes.NewBuffer([]byte{})
-		if err := tmpl.Execute(out, tmplCtx{Name: name, Funcs: funcs}); err != nil {
+		if err := tmpl.Execute(out, tmplCtx{Pkg: "contrib", Name: funcName, Funcs: funcs}); err != nil {
 			return err
 		}
 		code, err := format.Source(out.Bytes())
 		if err != nil {
 			return err
 		}
-		err = ioutil.WriteFile(filepath.Join("internal", "engine", "postgresql", "extension_"+strings.Replace(extension, "-", "_", -1)+".gen.go"), code, 0644)
+		err = ioutil.WriteFile(filepath.Join("internal", "engine", "postgresql", "contrib", name+".go"), code, 0644)
 		if err != nil {
 			return err
 		}
+
+		loaded = append(loaded, extensionPair{Name: extension, Func: funcName})
 	}
+
+	{
+		tmpl, err := template.New("").Parse(loaderFuncTmpl)
+		if err != nil {
+			return err
+		}
+		out := bytes.NewBuffer([]byte{})
+		if err := tmpl.Execute(out, loaded); err != nil {
+			return err
+		}
+		code, err := format.Source(out.Bytes())
+		if err != nil {
+			return err
+		}
+		err = ioutil.WriteFile(filepath.Join("internal", "engine", "postgresql", "extension.go"), code, 0644)
+		if err != nil {
+			return err
+		}
+	}
+
 	return nil
 }
+
+type extensionPair struct {
+	Name string
+	Func string
+}
+
+// https://www.postgresql.org/docs/current/contrib.html
+var extensions = []string{
+	"adminpack",
+	"amcheck",
+	"auth_delay",
+	"auto_explain",
+	"bloom",
+	"btree_gin",
+	"btree_gist",
+	"citext",
+	"cube",
+	"dblink",
+	"dict_int",
+	"dict_xsyn",
+	"earthdistance",
+	"file_fdw",
+	"fuzzystrmatch",
+	"hstore",
+	"intagg",
+	"intarray",
+	"isn",
+	"lo",
+	"ltree",
+	"pageinspect",
+	"passwordcheck",
+	"pg_buffercache",
+	"pgcrypto",
+	"pg_freespacemap",
+	"pg_prewarm",
+	"pgrowlocks",
+	"pg_stat_statements",
+	"pgstattuple",
+	"pg_trgm",
+	"pg_visibility",
+	"postgres_fdw",
+	"seg",
+	"sepgsql",
+	"spi",
+	"sslinfo",
+	"tablefunc",
+	"tcn",
+	"test_decoding",
+	"tsm_system_rows",
+	"tsm_system_time",
+	"unaccent",
+	"uuid-ossp",
+	"xml2",
+}

From f4e517cf086e328ecc6fcd325cba2bdb7b75b043 Mon Sep 17 00:00:00 2001
From: Kyle Conroy <kyle@conroy.org>
Date: Thu, 30 Jul 2020 11:18:44 -0700
Subject: [PATCH 2/3] contrib: Add generated code for contrib

---
 .../engine/postgresql/contrib/adminpack.go    |   71 +
 internal/engine/postgresql/contrib/amcheck.go |   81 +
 .../engine/postgresql/contrib/btree_gin.go    |   39 +
 .../engine/postgresql/contrib/btree_gist.go   |  249 ++
 internal/engine/postgresql/contrib/citext.go  |  570 ++++
 internal/engine/postgresql/contrib/cube.go    |  384 +++
 internal/engine/postgresql/contrib/dblink.go  |  488 +++
 .../postgresql/contrib/earthdistance.go       |  104 +
 .../engine/postgresql/contrib/file_fdw.go     |   32 +
 .../postgresql/contrib/fuzzystrmatch.go       |  147 +
 internal/engine/postgresql/contrib/hstore.go  |  510 +++
 internal/engine/postgresql/contrib/intagg.go  |   33 +
 .../engine/postgresql/contrib/intarray.go     |  333 ++
 internal/engine/postgresql/contrib/isn.go     | 2804 +++++++++++++++++
 internal/engine/postgresql/contrib/lo.go      |   29 +
 internal/engine/postgresql/contrib/ltree.go   |  723 +++++
 .../engine/postgresql/contrib/pageinspect.go  |  142 +
 .../postgresql/contrib/pg_buffercache.go      |   20 +
 .../postgresql/contrib/pg_freespacemap.go     |   27 +
 .../engine/postgresql/contrib/pg_prewarm.go   |   54 +
 .../postgresql/contrib/pg_stat_statements.go  |   36 +
 internal/engine/postgresql/contrib/pg_trgm.go |  212 ++
 .../postgresql/contrib/pg_visibility.go       |   24 +
 .../engine/postgresql/contrib/pgcrypto.go     |  476 +++
 .../engine/postgresql/contrib/pgstattuple.go  |   35 +
 .../engine/postgresql/contrib/postgres_fdw.go |   32 +
 internal/engine/postgresql/contrib/seg.go     |  261 ++
 internal/engine/postgresql/contrib/sslinfo.go |   68 +
 .../engine/postgresql/contrib/tablefunc.go    |  186 ++
 internal/engine/postgresql/contrib/tcn.go     |   20 +
 .../engine/postgresql/contrib/unaccent.go     |   36 +
 .../engine/postgresql/contrib/uuid_ossp.go    |   83 +
 internal/engine/postgresql/contrib/xml2.go    |  189 ++
 internal/engine/postgresql/extension.go       |   80 +
 34 files changed, 8578 insertions(+)
 create mode 100644 internal/engine/postgresql/contrib/adminpack.go
 create mode 100644 internal/engine/postgresql/contrib/amcheck.go
 create mode 100644 internal/engine/postgresql/contrib/btree_gin.go
 create mode 100644 internal/engine/postgresql/contrib/btree_gist.go
 create mode 100644 internal/engine/postgresql/contrib/citext.go
 create mode 100644 internal/engine/postgresql/contrib/cube.go
 create mode 100644 internal/engine/postgresql/contrib/dblink.go
 create mode 100644 internal/engine/postgresql/contrib/earthdistance.go
 create mode 100644 internal/engine/postgresql/contrib/file_fdw.go
 create mode 100644 internal/engine/postgresql/contrib/fuzzystrmatch.go
 create mode 100644 internal/engine/postgresql/contrib/hstore.go
 create mode 100644 internal/engine/postgresql/contrib/intagg.go
 create mode 100644 internal/engine/postgresql/contrib/intarray.go
 create mode 100644 internal/engine/postgresql/contrib/isn.go
 create mode 100644 internal/engine/postgresql/contrib/lo.go
 create mode 100644 internal/engine/postgresql/contrib/ltree.go
 create mode 100644 internal/engine/postgresql/contrib/pageinspect.go
 create mode 100644 internal/engine/postgresql/contrib/pg_buffercache.go
 create mode 100644 internal/engine/postgresql/contrib/pg_freespacemap.go
 create mode 100644 internal/engine/postgresql/contrib/pg_prewarm.go
 create mode 100644 internal/engine/postgresql/contrib/pg_stat_statements.go
 create mode 100644 internal/engine/postgresql/contrib/pg_trgm.go
 create mode 100644 internal/engine/postgresql/contrib/pg_visibility.go
 create mode 100644 internal/engine/postgresql/contrib/pgcrypto.go
 create mode 100644 internal/engine/postgresql/contrib/pgstattuple.go
 create mode 100644 internal/engine/postgresql/contrib/postgres_fdw.go
 create mode 100644 internal/engine/postgresql/contrib/seg.go
 create mode 100644 internal/engine/postgresql/contrib/sslinfo.go
 create mode 100644 internal/engine/postgresql/contrib/tablefunc.go
 create mode 100644 internal/engine/postgresql/contrib/tcn.go
 create mode 100644 internal/engine/postgresql/contrib/unaccent.go
 create mode 100644 internal/engine/postgresql/contrib/uuid_ossp.go
 create mode 100644 internal/engine/postgresql/contrib/xml2.go
 create mode 100644 internal/engine/postgresql/extension.go

diff --git a/internal/engine/postgresql/contrib/adminpack.go b/internal/engine/postgresql/contrib/adminpack.go
new file mode 100644
index 0000000000..45cd9a1e38
--- /dev/null
+++ b/internal/engine/postgresql/contrib/adminpack.go
@@ -0,0 +1,71 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Adminpack() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "pg_file_rename",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_file_rename",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_file_unlink",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_file_write",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_logdir_ls",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/amcheck.go b/internal/engine/postgresql/contrib/amcheck.go
new file mode 100644
index 0000000000..98b116449f
--- /dev/null
+++ b/internal/engine/postgresql/contrib/amcheck.go
@@ -0,0 +1,81 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Amcheck() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "bt_index_check",
+			Args: []*catalog.Argument{
+				{
+					Name: "index",
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "bt_index_check",
+			Args: []*catalog.Argument{
+				{
+					Name: "index",
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Name: "heapallindexed",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "bt_index_parent_check",
+			Args: []*catalog.Argument{
+				{
+					Name: "index",
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "bt_index_parent_check",
+			Args: []*catalog.Argument{
+				{
+					Name: "index",
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Name: "heapallindexed",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "bt_index_parent_check",
+			Args: []*catalog.Argument{
+				{
+					Name: "index",
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Name: "heapallindexed",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "rootdescend",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/btree_gin.go b/internal/engine/postgresql/contrib/btree_gin.go
new file mode 100644
index 0000000000..f4a33affe7
--- /dev/null
+++ b/internal/engine/postgresql/contrib/btree_gin.go
@@ -0,0 +1,39 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func BtreeGin() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "gin_enum_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "gin_numeric_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/btree_gist.go b/internal/engine/postgresql/contrib/btree_gist.go
new file mode 100644
index 0000000000..6cebee5de6
--- /dev/null
+++ b/internal/engine/postgresql/contrib/btree_gist.go
@@ -0,0 +1,249 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func BtreeGist() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "cash_dist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "date_dist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "float4_dist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float8_dist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "gbtreekey16_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "gbtreekey16"},
+		},
+		{
+			Name: "gbtreekey16_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "gbtreekey16"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "gbtreekey32_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "gbtreekey32"},
+		},
+		{
+			Name: "gbtreekey32_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "gbtreekey32"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "gbtreekey4_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "gbtreekey4"},
+		},
+		{
+			Name: "gbtreekey4_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "gbtreekey4"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "gbtreekey8_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "gbtreekey8"},
+		},
+		{
+			Name: "gbtreekey8_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "gbtreekey8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "gbtreekey_var_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "gbtreekey_var"},
+		},
+		{
+			Name: "gbtreekey_var_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "gbtreekey_var"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "int2_dist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int4_dist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int8_dist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "interval_dist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "oid_dist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "time_dist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "ts_dist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "tstz_dist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/citext.go b/internal/engine/postgresql/contrib/citext.go
new file mode 100644
index 0000000000..f0c7519dc7
--- /dev/null
+++ b/internal/engine/postgresql/contrib/citext.go
@@ -0,0 +1,570 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Citext() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "citext",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "citext"},
+		},
+		{
+			Name: "citext",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "citext"},
+		},
+		{
+			Name: "citext",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "citext"},
+		},
+		{
+			Name: "citext_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "citext_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "citext_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "citext_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "citext_hash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "citext_hash_extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "citext_larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "citext"},
+		},
+		{
+			Name: "citext_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "citext_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "citext_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "citext_pattern_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "citext_pattern_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "citext_pattern_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "citext_pattern_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "citext_pattern_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "citext_smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "citext"},
+		},
+		{
+			Name: "citextin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "citext"},
+		},
+		{
+			Name: "citextout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "citextsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "citext"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "citext"},
+		},
+		{
+			Name: "regexp_match",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "regexp_match",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "regexp_matches",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "regexp_matches",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "regexp_replace",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "regexp_replace",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "regexp_split_to_array",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "regexp_split_to_array",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "regexp_split_to_table",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "regexp_split_to_table",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "replace",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "split_part",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "strpos",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "texticlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "texticlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "texticnlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "texticnlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "texticregexeq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "texticregexeq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "texticregexne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "texticregexne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "translate",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "citext"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/cube.go b/internal/engine/postgresql/contrib/cube.go
new file mode 100644
index 0000000000..687eb93e2c
--- /dev/null
+++ b/internal/engine/postgresql/contrib/cube.go
@@ -0,0 +1,384 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Cube() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "cube",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cube"},
+		},
+		{
+			Name: "cube",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cube"},
+		},
+		{
+			Name: "cube",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cube"},
+		},
+		{
+			Name: "cube",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cube"},
+		},
+		{
+			Name: "cube",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cube"},
+		},
+		{
+			Name: "cube",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cube"},
+		},
+		{
+			Name: "cube_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "cube_contained",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cube_contains",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cube_coord",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "cube_coord_llur",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "cube_dim",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "cube_distance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "cube_enlarge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cube"},
+		},
+		{
+			Name: "cube_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cube_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cube_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cube_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cube"},
+		},
+		{
+			Name: "cube_inter",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cube"},
+		},
+		{
+			Name: "cube_is_point",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cube_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cube_ll_coord",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "cube_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cube_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cube_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "cube_overlap",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cube_size",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "cube_subset",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cube"},
+		},
+		{
+			Name: "cube_union",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cube"},
+		},
+		{
+			Name: "cube_ur_coord",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "distance_chebyshev",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "distance_taxicab",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cube"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/dblink.go b/internal/engine/postgresql/contrib/dblink.go
new file mode 100644
index 0000000000..c5208cf1e2
--- /dev/null
+++ b/internal/engine/postgresql/contrib/dblink.go
@@ -0,0 +1,488 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Dblink() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "dblink",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "dblink",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "dblink",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "dblink",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "dblink_build_sql_delete",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "int2vector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_build_sql_insert",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "int2vector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_build_sql_update",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "int2vector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_cancel_query",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_close",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_close",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_close",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_close",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_connect",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_connect",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_connect_u",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_connect_u",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name:       "dblink_current_query",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_disconnect",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name:       "dblink_disconnect",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_error_message",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_exec",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_exec",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_exec",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_exec",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_fdw_validator",
+			Args: []*catalog.Argument{
+				{
+					Name: "options",
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+				{
+					Name: "catalog",
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "dblink_fetch",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "dblink_fetch",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "dblink_fetch",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "dblink_fetch",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name:       "dblink_get_connections",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "dblink_get_pkey",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "dblink_pkey_results"},
+		},
+		{
+			Name: "dblink_get_result",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "dblink_get_result",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "dblink_is_busy",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "dblink_open",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_open",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_open",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_open",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dblink_send_query",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/earthdistance.go b/internal/engine/postgresql/contrib/earthdistance.go
new file mode 100644
index 0000000000..e9c25d0dd1
--- /dev/null
+++ b/internal/engine/postgresql/contrib/earthdistance.go
@@ -0,0 +1,104 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Earthdistance() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name:       "earth",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "earth_box",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "earth"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cube"},
+		},
+		{
+			Name: "earth_distance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "earth"},
+				},
+				{
+					Type: &ast.TypeName{Name: "earth"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "gc_to_sec",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "geo_distance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "latitude",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "earth"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "ll_to_earth",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "earth"},
+		},
+		{
+			Name: "longitude",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "earth"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "sec_to_gc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/file_fdw.go b/internal/engine/postgresql/contrib/file_fdw.go
new file mode 100644
index 0000000000..ec4621ba3b
--- /dev/null
+++ b/internal/engine/postgresql/contrib/file_fdw.go
@@ -0,0 +1,32 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func FileFdw() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name:       "file_fdw_handler",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "fdw_handler"},
+		},
+		{
+			Name: "file_fdw_validator",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/fuzzystrmatch.go b/internal/engine/postgresql/contrib/fuzzystrmatch.go
new file mode 100644
index 0000000000..b2174ebf03
--- /dev/null
+++ b/internal/engine/postgresql/contrib/fuzzystrmatch.go
@@ -0,0 +1,147 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Fuzzystrmatch() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "difference",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "dmetaphone",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dmetaphone_alt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "levenshtein",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "levenshtein",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "levenshtein_less_equal",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "levenshtein_less_equal",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "metaphone",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "soundex",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "text_soundex",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/hstore.go b/internal/engine/postgresql/contrib/hstore.go
new file mode 100644
index 0000000000..a3ad1b27a9
--- /dev/null
+++ b/internal/engine/postgresql/contrib/hstore.go
@@ -0,0 +1,510 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Hstore() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "akeys",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "avals",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "defined",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "delete",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "hstore"},
+		},
+		{
+			Name: "delete",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "hstore"},
+		},
+		{
+			Name: "delete",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "hstore"},
+		},
+		{
+			Name: "exist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "exists_all",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "exists_any",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "fetchval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "ghstore_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ghstore"},
+		},
+		{
+			Name: "ghstore_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ghstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "hs_concat",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "hstore"},
+		},
+		{
+			Name: "hs_contained",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "hs_contains",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "hstore",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "hstore"},
+		},
+		{
+			Name: "hstore",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "hstore"},
+		},
+		{
+			Name: "hstore",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "hstore"},
+		},
+		{
+			Name: "hstore",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "hstore"},
+		},
+		{
+			Name: "hstore_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hstore_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "hstore_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "hstore_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "hstore_hash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hstore_hash_extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hstore_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "hstore"},
+		},
+		{
+			Name: "hstore_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "hstore_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "hstore_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "hstore_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "hstore_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "hstore_to_array",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "hstore_to_json",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "hstore_to_json_loose",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "hstore_to_jsonb",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "hstore_to_jsonb_loose",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "hstore_to_matrix",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "hstore_version_diag",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "isdefined",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isexists",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "populate_record",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "skeys",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "slice",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "hstore"},
+		},
+		{
+			Name: "slice_array",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "svals",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "hstore"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "tconvert",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "hstore"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/intagg.go b/internal/engine/postgresql/contrib/intagg.go
new file mode 100644
index 0000000000..7e3591ac5c
--- /dev/null
+++ b/internal/engine/postgresql/contrib/intagg.go
@@ -0,0 +1,33 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Intagg() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "int_array_aggregate",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "int_array_enum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/intarray.go b/internal/engine/postgresql/contrib/intarray.go
new file mode 100644
index 0000000000..9fb23b0d28
--- /dev/null
+++ b/internal/engine/postgresql/contrib/intarray.go
@@ -0,0 +1,333 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Intarray() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "_int_contained",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_int_contains",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_int_different",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_int_inter",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "_int_overlap",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_int_same",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_int_union",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "_intbig_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "intbig_gkey"},
+		},
+		{
+			Name: "_intbig_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "intbig_gkey"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "boolop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "query_int"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bqarr_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "query_int"},
+		},
+		{
+			Name: "bqarr_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "query_int"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "icount",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "idx",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "intarray_del_elem",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "intarray_push_array",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "intarray_push_elem",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "intset",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "intset_subtract",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "intset_union_elem",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "querytree",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "query_int"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "rboolop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "query_int"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "sort",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "sort",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "sort_asc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "sort_desc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "subarray",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "subarray",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "uniq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/isn.go b/internal/engine/postgresql/contrib/isn.go
new file mode 100644
index 0000000000..ab49dc3a3e
--- /dev/null
+++ b/internal/engine/postgresql/contrib/isn.go
@@ -0,0 +1,2804 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Isn() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "btean13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btean13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btean13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btean13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btean13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btean13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btean13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btean13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btisbn13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btisbn13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btisbn13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btisbncmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btisbncmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btisbncmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btismn13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btismn13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btismn13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btismncmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btismncmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btismncmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btissn13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btissn13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btissn13cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btissncmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btissncmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btissncmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btupccmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btupccmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "ean13_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ean13"},
+		},
+		{
+			Name: "ean13_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "ean13_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "ean13_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "ean13_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "hashean13",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashisbn",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashisbn13",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashismn",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashismn13",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashissn",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashissn13",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashupc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "is_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "is_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "is_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "is_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "is_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "is_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "is_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "is_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isbn",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "isbn"},
+		},
+		{
+			Name: "isbn13",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "isbn13"},
+		},
+		{
+			Name: "isbn13_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "isbn13"},
+		},
+		{
+			Name: "isbn_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "isbn"},
+		},
+		{
+			Name: "ismn",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ismn"},
+		},
+		{
+			Name: "ismn13",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ismn13"},
+		},
+		{
+			Name: "ismn13_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ismn13"},
+		},
+		{
+			Name: "ismn_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ismn"},
+		},
+		{
+			Name: "isn_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "isn_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "isn_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "isn_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name:       "isn_weak",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isn_weak",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isngt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isnne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "issn",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "issn"},
+		},
+		{
+			Name: "issn13",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "issn13"},
+		},
+		{
+			Name: "issn13_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "issn13"},
+		},
+		{
+			Name: "issn_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "issn"},
+		},
+		{
+			Name: "make_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ismn13"},
+		},
+		{
+			Name: "make_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ean13"},
+		},
+		{
+			Name: "make_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "isbn"},
+		},
+		{
+			Name: "make_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ismn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ismn"},
+		},
+		{
+			Name: "make_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "issn"},
+		},
+		{
+			Name: "make_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "isbn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "isbn13"},
+		},
+		{
+			Name: "make_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "upc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "upc"},
+		},
+		{
+			Name: "make_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "issn13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "issn13"},
+		},
+		{
+			Name: "upc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ean13"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "upc"},
+		},
+		{
+			Name: "upc_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "upc"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/lo.go b/internal/engine/postgresql/contrib/lo.go
new file mode 100644
index 0000000000..465190c480
--- /dev/null
+++ b/internal/engine/postgresql/contrib/lo.go
@@ -0,0 +1,29 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Lo() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name:       "lo_manage",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name: "lo_oid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lo"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/ltree.go b/internal/engine/postgresql/contrib/ltree.go
new file mode 100644
index 0000000000..aabc28ae61
--- /dev/null
+++ b/internal/engine/postgresql/contrib/ltree.go
@@ -0,0 +1,723 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Ltree() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "_lt_q_regex",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lquery[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_lt_q_rregex",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lquery[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_ltq_extract_regex",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "_ltq_regex",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_ltq_rregex",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_ltree_extract_isparent",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "_ltree_extract_risparent",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "_ltree_isparent",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_ltree_r_isparent",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_ltree_r_risparent",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_ltree_risparent",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_ltxtq_exec",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltxtquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "_ltxtq_extract_exec",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltxtquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "_ltxtq_rexec",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltxtquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "index",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "index",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "lca",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "lca",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "lca",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "lca",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "lca",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "lca",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "lca",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "lca",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "lquery_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "lquery"},
+		},
+		{
+			Name: "lquery_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "lt_q_regex",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lquery[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "lt_q_rregex",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lquery[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ltq_regex",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ltq_rregex",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ltree2text",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "ltree_addltree",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "ltree_addtext",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "ltree_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "ltree_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ltree_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ltree_gist_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree_gist"},
+		},
+		{
+			Name: "ltree_gist_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree_gist"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "ltree_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ltree_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "ltree_isparent",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ltree_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ltree_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ltree_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ltree_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "ltree_risparent",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ltree_textadd",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "ltxtq_exec",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltxtquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ltxtq_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltxtquery"},
+		},
+		{
+			Name: "ltxtq_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltxtquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "ltxtq_rexec",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltxtquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "nlevel",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "subltree",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "subpath",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "subpath",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "ltree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+		{
+			Name: "text2ltree",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "ltree"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/pageinspect.go b/internal/engine/postgresql/contrib/pageinspect.go
new file mode 100644
index 0000000000..61e838e715
--- /dev/null
+++ b/internal/engine/postgresql/contrib/pageinspect.go
@@ -0,0 +1,142 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Pageinspect() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "brin_page_type",
+			Args: []*catalog.Argument{
+				{
+					Name: "page",
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "fsm_page_contents",
+			Args: []*catalog.Argument{
+				{
+					Name: "page",
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "get_raw_page",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "get_raw_page",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "hash_page_type",
+			Args: []*catalog.Argument{
+				{
+					Name: "page",
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "page_checksum",
+			Args: []*catalog.Argument{
+				{
+					Name: "page",
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Name: "blkno",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "tuple_data_split",
+			Args: []*catalog.Argument{
+				{
+					Name: "rel_oid",
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Name: "t_data",
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Name: "t_infomask",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "t_infomask2",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "t_bits",
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Name: "do_detoast",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea[]"},
+		},
+		{
+			Name: "tuple_data_split",
+			Args: []*catalog.Argument{
+				{
+					Name: "rel_oid",
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Name: "t_data",
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Name: "t_infomask",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "t_infomask2",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "t_bits",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea[]"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/pg_buffercache.go b/internal/engine/postgresql/contrib/pg_buffercache.go
new file mode 100644
index 0000000000..047afbeea7
--- /dev/null
+++ b/internal/engine/postgresql/contrib/pg_buffercache.go
@@ -0,0 +1,20 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func PgBuffercache() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name:       "pg_buffercache_pages",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/pg_freespacemap.go b/internal/engine/postgresql/contrib/pg_freespacemap.go
new file mode 100644
index 0000000000..de72dc8a82
--- /dev/null
+++ b/internal/engine/postgresql/contrib/pg_freespacemap.go
@@ -0,0 +1,27 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func PgFreespacemap() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "pg_freespace",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/pg_prewarm.go b/internal/engine/postgresql/contrib/pg_prewarm.go
new file mode 100644
index 0000000000..a8ccec3a3f
--- /dev/null
+++ b/internal/engine/postgresql/contrib/pg_prewarm.go
@@ -0,0 +1,54 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func PgPrewarm() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name:       "autoprewarm_dump_now",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "autoprewarm_start_worker",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_prewarm",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Name:       "mode",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "text"},
+				},
+				{
+					Name:       "fork",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "text"},
+				},
+				{
+					Name:       "first_block",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Name:       "last_block",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/pg_stat_statements.go b/internal/engine/postgresql/contrib/pg_stat_statements.go
new file mode 100644
index 0000000000..ad9e56b3cd
--- /dev/null
+++ b/internal/engine/postgresql/contrib/pg_stat_statements.go
@@ -0,0 +1,36 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func PgStatStatements() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "pg_stat_statements_reset",
+			Args: []*catalog.Argument{
+				{
+					Name:       "userid",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "oid"},
+				},
+				{
+					Name:       "dbid",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "oid"},
+				},
+				{
+					Name:       "queryid",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/pg_trgm.go b/internal/engine/postgresql/contrib/pg_trgm.go
new file mode 100644
index 0000000000..f450cae43f
--- /dev/null
+++ b/internal/engine/postgresql/contrib/pg_trgm.go
@@ -0,0 +1,212 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func PgTrgm() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "gtrgm_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "gtrgm"},
+		},
+		{
+			Name: "gtrgm_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "gtrgm"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "set_limit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name:       "show_limit",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "show_trgm",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "similarity",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "similarity_dist",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "similarity_op",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "strict_word_similarity",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "strict_word_similarity_commutator_op",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "strict_word_similarity_dist_commutator_op",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "strict_word_similarity_dist_op",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "strict_word_similarity_op",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "word_similarity",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "word_similarity_commutator_op",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "word_similarity_dist_commutator_op",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "word_similarity_dist_op",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "word_similarity_op",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/pg_visibility.go b/internal/engine/postgresql/contrib/pg_visibility.go
new file mode 100644
index 0000000000..7a4b0ea179
--- /dev/null
+++ b/internal/engine/postgresql/contrib/pg_visibility.go
@@ -0,0 +1,24 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func PgVisibility() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "pg_truncate_visibility_map",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/pgcrypto.go b/internal/engine/postgresql/contrib/pgcrypto.go
new file mode 100644
index 0000000000..5a2468c4e6
--- /dev/null
+++ b/internal/engine/postgresql/contrib/pgcrypto.go
@@ -0,0 +1,476 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Pgcrypto() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "armor",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "armor",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "crypt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "dearmor",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "decrypt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "decrypt_iv",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "digest",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "digest",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "encrypt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "encrypt_iv",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "gen_random_bytes",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name:       "gen_random_uuid",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "uuid"},
+		},
+		{
+			Name: "gen_salt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "gen_salt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "hmac",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "hmac",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pgp_key_id",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pgp_pub_decrypt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pgp_pub_decrypt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pgp_pub_decrypt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pgp_pub_decrypt_bytea",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pgp_pub_decrypt_bytea",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pgp_pub_decrypt_bytea",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pgp_pub_encrypt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pgp_pub_encrypt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pgp_pub_encrypt_bytea",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pgp_pub_encrypt_bytea",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pgp_sym_decrypt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pgp_sym_decrypt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pgp_sym_decrypt_bytea",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pgp_sym_decrypt_bytea",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pgp_sym_encrypt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pgp_sym_encrypt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pgp_sym_encrypt_bytea",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pgp_sym_encrypt_bytea",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/pgstattuple.go b/internal/engine/postgresql/contrib/pgstattuple.go
new file mode 100644
index 0000000000..2c128f9c38
--- /dev/null
+++ b/internal/engine/postgresql/contrib/pgstattuple.go
@@ -0,0 +1,35 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Pgstattuple() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "pg_relpages",
+			Args: []*catalog.Argument{
+				{
+					Name: "relname",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_relpages",
+			Args: []*catalog.Argument{
+				{
+					Name: "relname",
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/postgres_fdw.go b/internal/engine/postgresql/contrib/postgres_fdw.go
new file mode 100644
index 0000000000..02e11a2976
--- /dev/null
+++ b/internal/engine/postgresql/contrib/postgres_fdw.go
@@ -0,0 +1,32 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func PostgresFdw() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name:       "postgres_fdw_handler",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "fdw_handler"},
+		},
+		{
+			Name: "postgres_fdw_validator",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/seg.go b/internal/engine/postgresql/contrib/seg.go
new file mode 100644
index 0000000000..87359afad7
--- /dev/null
+++ b/internal/engine/postgresql/contrib/seg.go
@@ -0,0 +1,261 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Seg() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "seg_center",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "seg_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "seg_contained",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "seg_contains",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "seg_different",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "seg_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "seg_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "seg_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "seg"},
+		},
+		{
+			Name: "seg_inter",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "seg"},
+		},
+		{
+			Name: "seg_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "seg_left",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "seg_lower",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "seg_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "seg_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "seg_over_left",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "seg_over_right",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "seg_overlap",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "seg_right",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "seg_same",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "seg_size",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "seg_union",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "seg"},
+		},
+		{
+			Name: "seg_upper",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "seg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/sslinfo.go b/internal/engine/postgresql/contrib/sslinfo.go
new file mode 100644
index 0000000000..e7c23e0199
--- /dev/null
+++ b/internal/engine/postgresql/contrib/sslinfo.go
@@ -0,0 +1,68 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Sslinfo() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name:       "ssl_cipher",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name:       "ssl_client_cert_present",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name:       "ssl_client_dn",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "ssl_client_dn_field",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name:       "ssl_client_serial",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name:       "ssl_is_used",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name:       "ssl_issuer_dn",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "ssl_issuer_field",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name:       "ssl_version",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/tablefunc.go b/internal/engine/postgresql/contrib/tablefunc.go
new file mode 100644
index 0000000000..1c8af295dd
--- /dev/null
+++ b/internal/engine/postgresql/contrib/tablefunc.go
@@ -0,0 +1,186 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Tablefunc() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "connectby",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "connectby",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "connectby",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "connectby",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "crosstab",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "crosstab",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "crosstab",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "crosstab2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tablefunc_crosstab_2"},
+		},
+		{
+			Name: "crosstab3",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tablefunc_crosstab_3"},
+		},
+		{
+			Name: "crosstab4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tablefunc_crosstab_4"},
+		},
+		{
+			Name: "normal_rand",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/tcn.go b/internal/engine/postgresql/contrib/tcn.go
new file mode 100644
index 0000000000..7aa16ac581
--- /dev/null
+++ b/internal/engine/postgresql/contrib/tcn.go
@@ -0,0 +1,20 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Tcn() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name:       "triggered_change_notification",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/unaccent.go b/internal/engine/postgresql/contrib/unaccent.go
new file mode 100644
index 0000000000..edb4457183
--- /dev/null
+++ b/internal/engine/postgresql/contrib/unaccent.go
@@ -0,0 +1,36 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Unaccent() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "unaccent",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regdictionary"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "unaccent",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/uuid_ossp.go b/internal/engine/postgresql/contrib/uuid_ossp.go
new file mode 100644
index 0000000000..c5355eed29
--- /dev/null
+++ b/internal/engine/postgresql/contrib/uuid_ossp.go
@@ -0,0 +1,83 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func UuidOssp() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name:       "uuid_generate_v1",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "uuid"},
+		},
+		{
+			Name:       "uuid_generate_v1mc",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "uuid"},
+		},
+		{
+			Name: "uuid_generate_v3",
+			Args: []*catalog.Argument{
+				{
+					Name: "namespace",
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+				{
+					Name: "name",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "uuid"},
+		},
+		{
+			Name:       "uuid_generate_v4",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "uuid"},
+		},
+		{
+			Name: "uuid_generate_v5",
+			Args: []*catalog.Argument{
+				{
+					Name: "namespace",
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+				{
+					Name: "name",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "uuid"},
+		},
+		{
+			Name:       "uuid_nil",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "uuid"},
+		},
+		{
+			Name:       "uuid_ns_dns",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "uuid"},
+		},
+		{
+			Name:       "uuid_ns_oid",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "uuid"},
+		},
+		{
+			Name:       "uuid_ns_url",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "uuid"},
+		},
+		{
+			Name:       "uuid_ns_x500",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "uuid"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/contrib/xml2.go b/internal/engine/postgresql/contrib/xml2.go
new file mode 100644
index 0000000000..9de8ba30d8
--- /dev/null
+++ b/internal/engine/postgresql/contrib/xml2.go
@@ -0,0 +1,189 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package contrib
+
+import (
+	"github.com/kyleconroy/sqlc/internal/sql/ast"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func Xml2() *catalog.Schema {
+	s := &catalog.Schema{Name: "pg_catalog"}
+	s.Funcs = []*catalog.Function{
+		{
+			Name: "xml_encode_special_chars",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "xml_valid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "xpath_bool",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "xpath_list",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "xpath_list",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "xpath_nodeset",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "xpath_nodeset",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "xpath_nodeset",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "xpath_number",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "xpath_string",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "xpath_table",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "xslt_process",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "xslt_process",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+	}
+	return s
+}
diff --git a/internal/engine/postgresql/extension.go b/internal/engine/postgresql/extension.go
new file mode 100644
index 0000000000..4c5a213395
--- /dev/null
+++ b/internal/engine/postgresql/extension.go
@@ -0,0 +1,80 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
+package postgresql
+
+import (
+	"github.com/kyleconroy/sqlc/internal/engine/postgresql/contrib"
+	"github.com/kyleconroy/sqlc/internal/sql/catalog"
+)
+
+func loadExtension(name string) *catalog.Schema {
+	switch name {
+	case "adminpack":
+		return contrib.Adminpack()
+	case "amcheck":
+		return contrib.Amcheck()
+	case "btree_gin":
+		return contrib.BtreeGin()
+	case "btree_gist":
+		return contrib.BtreeGist()
+	case "citext":
+		return contrib.Citext()
+	case "cube":
+		return contrib.Cube()
+	case "dblink":
+		return contrib.Dblink()
+	case "earthdistance":
+		return contrib.Earthdistance()
+	case "file_fdw":
+		return contrib.FileFdw()
+	case "fuzzystrmatch":
+		return contrib.Fuzzystrmatch()
+	case "hstore":
+		return contrib.Hstore()
+	case "intagg":
+		return contrib.Intagg()
+	case "intarray":
+		return contrib.Intarray()
+	case "isn":
+		return contrib.Isn()
+	case "lo":
+		return contrib.Lo()
+	case "ltree":
+		return contrib.Ltree()
+	case "pageinspect":
+		return contrib.Pageinspect()
+	case "pg_buffercache":
+		return contrib.PgBuffercache()
+	case "pgcrypto":
+		return contrib.Pgcrypto()
+	case "pg_freespacemap":
+		return contrib.PgFreespacemap()
+	case "pg_prewarm":
+		return contrib.PgPrewarm()
+	case "pg_stat_statements":
+		return contrib.PgStatStatements()
+	case "pgstattuple":
+		return contrib.Pgstattuple()
+	case "pg_trgm":
+		return contrib.PgTrgm()
+	case "pg_visibility":
+		return contrib.PgVisibility()
+	case "postgres_fdw":
+		return contrib.PostgresFdw()
+	case "seg":
+		return contrib.Seg()
+	case "sslinfo":
+		return contrib.Sslinfo()
+	case "tablefunc":
+		return contrib.Tablefunc()
+	case "tcn":
+		return contrib.Tcn()
+	case "unaccent":
+		return contrib.Unaccent()
+	case "uuid-ossp":
+		return contrib.UuidOssp()
+	case "xml2":
+		return contrib.Xml2()
+	}
+	return nil
+}

From e45e6e02d66ddec97932ebd5e5b7032377c5d1b9 Mon Sep 17 00:00:00 2001
From: Kyle Conroy <kyle@conroy.org>
Date: Thu, 30 Jul 2020 11:19:00 -0700
Subject: [PATCH 3/3] postgresql: Move contrib code to a package

Replace the old hand-written pg_catalog.go with the generated one
---
 internal/engine/postgresql/catalog.go         |    14 -
 .../engine/postgresql/extension_citext.gen.go |   568 -
 .../postgresql/extension_pg_trgm.gen.go       |   210 -
 .../postgresql/extension_pgcrypto.gen.go      |   474 -
 .../postgresql/extension_uuid_ossp.gen.go     |    81 -
 internal/engine/postgresql/pg_catalog.gen.go  | 26588 ---------------
 internal/engine/postgresql/pg_catalog.go      | 26664 +++++++++++++++-
 7 files changed, 26522 insertions(+), 28077 deletions(-)
 delete mode 100644 internal/engine/postgresql/extension_citext.gen.go
 delete mode 100644 internal/engine/postgresql/extension_pg_trgm.gen.go
 delete mode 100644 internal/engine/postgresql/extension_pgcrypto.gen.go
 delete mode 100644 internal/engine/postgresql/extension_uuid_ossp.gen.go
 delete mode 100644 internal/engine/postgresql/pg_catalog.gen.go

diff --git a/internal/engine/postgresql/catalog.go b/internal/engine/postgresql/catalog.go
index 3a9330e1e2..354a05a184 100644
--- a/internal/engine/postgresql/catalog.go
+++ b/internal/engine/postgresql/catalog.go
@@ -19,17 +19,3 @@ func newTestCatalog() *catalog.Catalog {
 	c.LoadExtension = loadExtension
 	return c
 }
-
-func loadExtension(name string) *catalog.Schema {
-	switch name {
-	case "citext":
-		return genCIText()
-	case "pg_trgm":
-		return genPGTrigram()
-	case "pgcrypto":
-		return genPGCrypto()
-	case "uuid-ossp":
-		return genUUIDOSSP()
-	}
-	return nil
-}
diff --git a/internal/engine/postgresql/extension_citext.gen.go b/internal/engine/postgresql/extension_citext.gen.go
deleted file mode 100644
index 19d4e606f9..0000000000
--- a/internal/engine/postgresql/extension_citext.gen.go
+++ /dev/null
@@ -1,568 +0,0 @@
-package postgresql
-
-import (
-	"github.com/kyleconroy/sqlc/internal/sql/ast"
-	"github.com/kyleconroy/sqlc/internal/sql/catalog"
-)
-
-func genCIText() *catalog.Schema {
-	s := &catalog.Schema{Name: "pg_catalog"}
-	s.Funcs = []*catalog.Function{
-		{
-			Name: "citext",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "citext"},
-		},
-		{
-			Name: "citext",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "citext"},
-		},
-		{
-			Name: "citext",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "citext"},
-		},
-		{
-			Name: "citext_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "citext_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "citext_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "citext_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "citext_hash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "citext_hash_extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "citext_larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "citext"},
-		},
-		{
-			Name: "citext_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "citext_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "citext_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "citext_pattern_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "citext_pattern_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "citext_pattern_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "citext_pattern_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "citext_pattern_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "citext_smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "citext"},
-		},
-		{
-			Name: "citextin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "citext"},
-		},
-		{
-			Name: "citextout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "citextsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "citext"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "citext"},
-		},
-		{
-			Name: "regexp_match",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "regexp_match",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "regexp_matches",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "regexp_matches",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "regexp_replace",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "regexp_replace",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "regexp_split_to_array",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "regexp_split_to_array",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "regexp_split_to_table",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "regexp_split_to_table",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "replace",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "split_part",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "strpos",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "texticlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "texticlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "texticnlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "texticnlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "texticregexeq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "texticregexeq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "texticregexne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "texticregexne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "translate",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "citext"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-	}
-	return s
-}
diff --git a/internal/engine/postgresql/extension_pg_trgm.gen.go b/internal/engine/postgresql/extension_pg_trgm.gen.go
deleted file mode 100644
index 33e2b3f9c7..0000000000
--- a/internal/engine/postgresql/extension_pg_trgm.gen.go
+++ /dev/null
@@ -1,210 +0,0 @@
-package postgresql
-
-import (
-	"github.com/kyleconroy/sqlc/internal/sql/ast"
-	"github.com/kyleconroy/sqlc/internal/sql/catalog"
-)
-
-func genPGTrigram() *catalog.Schema {
-	s := &catalog.Schema{Name: "pg_catalog"}
-	s.Funcs = []*catalog.Function{
-		{
-			Name: "gtrgm_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "gtrgm"},
-		},
-		{
-			Name: "gtrgm_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "gtrgm"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "set_limit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name:       "show_limit",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "show_trgm",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "similarity",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "similarity_dist",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "similarity_op",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "strict_word_similarity",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "strict_word_similarity_commutator_op",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "strict_word_similarity_dist_commutator_op",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "strict_word_similarity_dist_op",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "strict_word_similarity_op",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "word_similarity",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "word_similarity_commutator_op",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "word_similarity_dist_commutator_op",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "word_similarity_dist_op",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "word_similarity_op",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-	}
-	return s
-}
diff --git a/internal/engine/postgresql/extension_pgcrypto.gen.go b/internal/engine/postgresql/extension_pgcrypto.gen.go
deleted file mode 100644
index 62e24fa6a4..0000000000
--- a/internal/engine/postgresql/extension_pgcrypto.gen.go
+++ /dev/null
@@ -1,474 +0,0 @@
-package postgresql
-
-import (
-	"github.com/kyleconroy/sqlc/internal/sql/ast"
-	"github.com/kyleconroy/sqlc/internal/sql/catalog"
-)
-
-func genPGCrypto() *catalog.Schema {
-	s := &catalog.Schema{Name: "pg_catalog"}
-	s.Funcs = []*catalog.Function{
-		{
-			Name: "armor",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "armor",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "crypt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "dearmor",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "decrypt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "decrypt_iv",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "digest",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "digest",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "encrypt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "encrypt_iv",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "gen_random_bytes",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name:       "gen_random_uuid",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "uuid"},
-		},
-		{
-			Name: "gen_salt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "gen_salt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "hmac",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "hmac",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pgp_key_id",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pgp_pub_decrypt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pgp_pub_decrypt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pgp_pub_decrypt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pgp_pub_decrypt_bytea",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pgp_pub_decrypt_bytea",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pgp_pub_decrypt_bytea",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pgp_pub_encrypt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pgp_pub_encrypt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pgp_pub_encrypt_bytea",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pgp_pub_encrypt_bytea",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pgp_sym_decrypt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pgp_sym_decrypt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pgp_sym_decrypt_bytea",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pgp_sym_decrypt_bytea",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pgp_sym_encrypt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pgp_sym_encrypt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pgp_sym_encrypt_bytea",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pgp_sym_encrypt_bytea",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-	}
-	return s
-}
diff --git a/internal/engine/postgresql/extension_uuid_ossp.gen.go b/internal/engine/postgresql/extension_uuid_ossp.gen.go
deleted file mode 100644
index 7fd2512561..0000000000
--- a/internal/engine/postgresql/extension_uuid_ossp.gen.go
+++ /dev/null
@@ -1,81 +0,0 @@
-package postgresql
-
-import (
-	"github.com/kyleconroy/sqlc/internal/sql/ast"
-	"github.com/kyleconroy/sqlc/internal/sql/catalog"
-)
-
-func genUUIDOSSP() *catalog.Schema {
-	s := &catalog.Schema{Name: "pg_catalog"}
-	s.Funcs = []*catalog.Function{
-		{
-			Name:       "uuid_generate_v1",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "uuid"},
-		},
-		{
-			Name:       "uuid_generate_v1mc",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "uuid"},
-		},
-		{
-			Name: "uuid_generate_v3",
-			Args: []*catalog.Argument{
-				{
-					Name: "namespace",
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-				{
-					Name: "name",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "uuid"},
-		},
-		{
-			Name:       "uuid_generate_v4",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "uuid"},
-		},
-		{
-			Name: "uuid_generate_v5",
-			Args: []*catalog.Argument{
-				{
-					Name: "namespace",
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-				{
-					Name: "name",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "uuid"},
-		},
-		{
-			Name:       "uuid_nil",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "uuid"},
-		},
-		{
-			Name:       "uuid_ns_dns",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "uuid"},
-		},
-		{
-			Name:       "uuid_ns_oid",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "uuid"},
-		},
-		{
-			Name:       "uuid_ns_url",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "uuid"},
-		},
-		{
-			Name:       "uuid_ns_x500",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "uuid"},
-		},
-	}
-	return s
-}
diff --git a/internal/engine/postgresql/pg_catalog.gen.go b/internal/engine/postgresql/pg_catalog.gen.go
deleted file mode 100644
index 34542d6fb0..0000000000
--- a/internal/engine/postgresql/pg_catalog.gen.go
+++ /dev/null
@@ -1,26588 +0,0 @@
-package postgresql
-
-import (
-	"github.com/kyleconroy/sqlc/internal/sql/ast"
-	"github.com/kyleconroy/sqlc/internal/sql/catalog"
-)
-
-func genPGCatalog() *catalog.Schema {
-	s := &catalog.Schema{Name: "pg_catalog"}
-	s.Funcs = []*catalog.Function{
-		{
-			Name:       "RI_FKey_cascade_del",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name:       "RI_FKey_cascade_upd",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name:       "RI_FKey_check_ins",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name:       "RI_FKey_check_upd",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name:       "RI_FKey_noaction_del",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name:       "RI_FKey_noaction_upd",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name:       "RI_FKey_restrict_del",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name:       "RI_FKey_restrict_upd",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name:       "RI_FKey_setdefault_del",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name:       "RI_FKey_setdefault_upd",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name:       "RI_FKey_setnull_del",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name:       "RI_FKey_setnull_upd",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name: "abbrev",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cidr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "abbrev",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "abs",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "abs",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "abs",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "abs",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "abs",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "abs",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "aclcontains",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "aclitem[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "aclitem"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "acldefault",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "aclitem[]"},
-		},
-		{
-			Name: "aclinsert",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "aclitem[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "aclitem"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "aclitem[]"},
-		},
-		{
-			Name: "aclitemeq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "aclitem"},
-				},
-				{
-					Type: &ast.TypeName{Name: "aclitem"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "aclitemin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "aclitem"},
-		},
-		{
-			Name: "aclitemout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "aclitem"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "aclremove",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "aclitem[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "aclitem"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "aclitem[]"},
-		},
-		{
-			Name: "acos",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "acosd",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "acosh",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "age",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "age",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "age",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "age",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "age",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "amvalidate",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "any_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "any"},
-		},
-		{
-			Name: "any_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "any"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "anyarray_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "anyarray_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "anyarray_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "anyelement_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "anyelement_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "anyenum_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyenum"},
-		},
-		{
-			Name: "anyenum_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "anynonarray_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anynonarray"},
-		},
-		{
-			Name: "anynonarray_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anynonarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "anyrange_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyrange"},
-		},
-		{
-			Name: "anyrange_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "anytextcat",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anynonarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "area",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "area",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "area",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "array_agg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anynonarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "array_agg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "array_append",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "array_cat",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "array_dims",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "array_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "array_fill",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "array_fill",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "array_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "array_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "array_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "array_larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "array_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "array_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "array_lower",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "array_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "array_ndims",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "array_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "array_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "array_position",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "array_position",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "array_positions",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer[]"},
-		},
-		{
-			Name: "array_prepend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "array_remove",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "array_replace",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "array_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "array_smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "array_to_json",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "array_to_json",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "array_to_string",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "array_to_string",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "array_to_tsvector",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "array_upper",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "arraycontained",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "arraycontains",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "arrayoverlap",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "ascii",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "asin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "asind",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "asinh",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "atan",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "atan2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "atan2d",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "atand",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "atanh",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "avg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "avg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "avg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "avg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "avg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "avg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "avg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "binary_upgrade_create_empty_extension",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "binary_upgrade_set_missing_value",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "binary_upgrade_set_next_array_pg_type_oid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "binary_upgrade_set_next_heap_pg_class_oid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "binary_upgrade_set_next_index_pg_class_oid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "binary_upgrade_set_next_pg_authid_oid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "binary_upgrade_set_next_pg_enum_oid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "binary_upgrade_set_next_pg_type_oid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "binary_upgrade_set_next_toast_pg_class_oid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "binary_upgrade_set_next_toast_pg_type_oid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "binary_upgrade_set_record_init_privs",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "bit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "bit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "bit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "bit_and",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "bit_and",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "bit_and",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "bit_and",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "bit_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "bit_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "bit_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "bit_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "bit_or",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "bit_or",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "bit_or",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "bit_or",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "bit_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "bit_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "bitand",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "bitcat",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit varying"},
-		},
-		{
-			Name: "bitcmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "biteq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bitge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bitgt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bitle",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bitlt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bitne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bitnot",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "bitor",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "bitshiftleft",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "bitshiftright",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "bittypmodin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "bittypmodout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "bitxor",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "bool",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bool",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bool_and",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bool_or",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "booland_statefunc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "booleq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "boolge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "boolgt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "boolin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "boolle",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "boollt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "boolne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "boolor_statefunc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "boolout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "boolsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "bound_box",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "box"},
-		},
-		{
-			Name: "box",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "box"},
-		},
-		{
-			Name: "box",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "box"},
-		},
-		{
-			Name: "box",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "box"},
-		},
-		{
-			Name: "box",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "box"},
-		},
-		{
-			Name: "box_above",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_above_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_add",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "box"},
-		},
-		{
-			Name: "box_below",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_below_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_center",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "box_contain",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_contain_pt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_contained",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_distance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "box_div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "box"},
-		},
-		{
-			Name: "box_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "box"},
-		},
-		{
-			Name: "box_intersect",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "box"},
-		},
-		{
-			Name: "box_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_left",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "box"},
-		},
-		{
-			Name: "box_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "box_overabove",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_overbelow",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_overlap",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_overleft",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_overright",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_right",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_same",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "box_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "box_sub",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "box"},
-		},
-		{
-			Name: "bpchar",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "character"},
-		},
-		{
-			Name: "bpchar",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "character"},
-		},
-		{
-			Name: "bpchar",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "character"},
-		},
-		{
-			Name: "bpchar_larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "character"},
-		},
-		{
-			Name: "bpchar_pattern_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpchar_pattern_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpchar_pattern_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpchar_pattern_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpchar_smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "character"},
-		},
-		{
-			Name: "bpcharcmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "bpchareq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpcharge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpchargt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpchariclike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpcharicnlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpcharicregexeq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpcharicregexne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpcharin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "character"},
-		},
-		{
-			Name: "bpcharle",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpcharlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpcharlt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpcharne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpcharnlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpcharout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "bpcharregexeq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpcharregexne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bpcharsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "bpchartypmodin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "bpchartypmodout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "brin_desummarize_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "brin_summarize_new_values",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "brin_summarize_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "broadcast",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "btarraycmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btboolcmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btbpchar_pattern_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btcharcmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btfloat48cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btfloat4cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btfloat84cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btfloat8cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btint24cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btint28cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btint2cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btint42cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btint48cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btint4cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btint82cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btint84cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btint8cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btnamecmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btnametextcmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btoidcmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btoidvectorcmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btrecordcmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btrecordimagecmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "btrim",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "btrim",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "btrim",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "bttext_pattern_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "bttextcmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "bttextnamecmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "bttidcmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "byteacat",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "byteacmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "byteaeq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "byteage",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "byteagt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "byteain",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "byteale",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bytealike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "bytealt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "byteane",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "byteanlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "byteaout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "byteasend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "cardinality",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "cash_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "cash_div_cash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "cash_div_flt4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cash_div_flt8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cash_div_int2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cash_div_int4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cash_div_int8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cash_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "cash_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "cash_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "cash_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cash_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "cash_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "cash_mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cash_mul_flt4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cash_mul_flt8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cash_mul_int2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cash_mul_int4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cash_mul_int8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cash_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "cash_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "cash_pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cash_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "cash_words",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "cashlarger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cashsmaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "cbrt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "ceil",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "ceil",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "ceiling",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "ceiling",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "center",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "center",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "char",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "char"},
-		},
-		{
-			Name: "char",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "char"},
-		},
-		{
-			Name: "char_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "char_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "character_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "character_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "chareq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "charge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "chargt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "charin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "char"},
-		},
-		{
-			Name: "charle",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "charlt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "charne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "charout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "charsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "chr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "cideq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "cid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "cidin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cid"},
-		},
-		{
-			Name: "cidout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "cidr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cidr"},
-		},
-		{
-			Name: "cidr_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cidr"},
-		},
-		{
-			Name: "cidr_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cidr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "cidr_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cidr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "cidsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "circle",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "circle"},
-		},
-		{
-			Name: "circle",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "circle"},
-		},
-		{
-			Name: "circle",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "circle"},
-		},
-		{
-			Name: "circle_above",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_add_pt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "circle"},
-		},
-		{
-			Name: "circle_below",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_center",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "circle_contain",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_contain_pt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_contained",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_distance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "circle_div_pt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "circle"},
-		},
-		{
-			Name: "circle_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "circle"},
-		},
-		{
-			Name: "circle_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_left",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_mul_pt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "circle"},
-		},
-		{
-			Name: "circle_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "circle_overabove",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_overbelow",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_overlap",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_overleft",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_overright",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_right",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_same",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "circle_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "circle_sub_pt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "circle"},
-		},
-		{
-			Name:       "clock_timestamp",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "close_lb",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "close_ls",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "close_lseg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "close_pb",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "close_pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "close_ps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "close_sb",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "close_sl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "col_description",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "convert",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "convert_from",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "convert_to",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "corr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "cos",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "cosd",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "cosh",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "cot",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "cotd",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "count",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "any"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "count",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "covar_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "covar_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "cstring_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "cstring_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "cstring_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name:       "cume_dist",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name:       "current_database",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name:       "current_query",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name:       "current_schema",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name: "current_schemas",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "name[]"},
-		},
-		{
-			Name: "current_setting",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "current_setting",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name:       "current_user",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name: "currtid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tid"},
-		},
-		{
-			Name: "currtid2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tid"},
-		},
-		{
-			Name: "currval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "cursor_to_xml",
-			Args: []*catalog.Argument{
-				{
-					Name: "cursor",
-					Type: &ast.TypeName{Name: "refcursor"},
-				},
-				{
-					Name: "count",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "cursor_to_xmlschema",
-			Args: []*catalog.Argument{
-				{
-					Name: "cursor",
-					Type: &ast.TypeName{Name: "refcursor"},
-				},
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "database_to_xml",
-			Args: []*catalog.Argument{
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "database_to_xml_and_xmlschema",
-			Args: []*catalog.Argument{
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "database_to_xmlschema",
-			Args: []*catalog.Argument{
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "date"},
-		},
-		{
-			Name: "date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "date"},
-		},
-		{
-			Name: "date_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "date_cmp_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "date_cmp_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "date_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_eq_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_eq_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_ge_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_ge_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_gt_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_gt_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "date"},
-		},
-		{
-			Name: "date_larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "date"},
-		},
-		{
-			Name: "date_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_le_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_le_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_lt_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_lt_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "date_mi_interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "date_mii",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "date"},
-		},
-		{
-			Name: "date_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_ne_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_ne_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "date_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "date_part",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "date_part",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "date_part",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "date_part",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "date_part",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "date_part",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "date_pl_interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "date_pli",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "date"},
-		},
-		{
-			Name: "date_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "date_smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "date"},
-		},
-		{
-			Name: "date_trunc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "date_trunc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "date_trunc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "date_trunc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "daterange",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "daterange"},
-		},
-		{
-			Name: "daterange",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "daterange"},
-		},
-		{
-			Name: "daterange_canonical",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "daterange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "daterange"},
-		},
-		{
-			Name: "daterange_subdiff",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "datetime_pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "datetimetz_pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "dcbrt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "decode",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "degrees",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name:       "dense_rank",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "dexp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "diagonal",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "lseg"},
-		},
-		{
-			Name: "diameter",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dist_cpoint",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dist_cpoly",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dist_lb",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dist_pb",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dist_pc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dist_pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dist_polyp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dist_ppath",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dist_ppoly",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dist_ps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dist_sb",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dist_sl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "dlog1",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dlog10",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "domain_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "any"},
-		},
-		{
-			Name: "dpow",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dround",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dsqrt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "dtrunc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "elem_contained_by_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "encode",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "enum_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "enum_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "enum_first",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyenum"},
-		},
-		{
-			Name: "enum_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "enum_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "enum_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyenum"},
-		},
-		{
-			Name: "enum_larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyenum"},
-		},
-		{
-			Name: "enum_last",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyenum"},
-		},
-		{
-			Name: "enum_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "enum_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "enum_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "enum_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "enum_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "enum_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "enum_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "enum_smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyenum"},
-		},
-		{
-			Name: "event_trigger_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "event_trigger"},
-		},
-		{
-			Name: "event_trigger_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "event_trigger"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "every",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "exp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "exp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "factorial",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "family",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "fdw_handler_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "fdw_handler"},
-		},
-		{
-			Name: "fdw_handler_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "fdw_handler"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "first_value",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "float4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float48div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float48eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float48ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float48gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float48le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float48lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float48mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float48mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float48ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float48pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float4_accum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision[]"},
-		},
-		{
-			Name: "float4abs",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float4ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float4gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float4in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float4lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float4mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float4out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "float4pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "float4smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4um",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float4up",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "float8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float84div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float84eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float84ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float84gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float84le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float84lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float84mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float84mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float84ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float84pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_accum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision[]"},
-		},
-		{
-			Name: "float8_avg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_combine",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision[]"},
-		},
-		{
-			Name: "float8_corr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_covar_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_covar_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_regr_accum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision[]"},
-		},
-		{
-			Name: "float8_regr_avgx",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_regr_avgy",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_regr_combine",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision[]"},
-		},
-		{
-			Name: "float8_regr_intercept",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_regr_r2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_regr_slope",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_regr_sxx",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_regr_sxy",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_regr_syy",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_stddev_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_stddev_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_var_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8_var_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8abs",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float8ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float8gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float8in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float8lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float8mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "float8out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "float8pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "float8smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8um",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "float8up",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "floor",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "floor",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "flt4_mul_cash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "flt8_mul_cash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "fmgr_c_validator",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "fmgr_internal_validator",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "fmgr_sql_validator",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "format",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "format_type",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "generate_series",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "generate_series",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "generate_series",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "generate_series",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "generate_series",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "generate_series",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "generate_series",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "generate_series",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "generate_subscripts",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "generate_subscripts",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "get_bit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "get_bit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "get_byte",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name:       "get_current_ts_config",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "regconfig"},
-		},
-		{
-			Name:       "getdatabaseencoding",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name:       "getpgusername",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name: "gin_clean_pending_list",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "gin_cmp_tslexeme",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "gin_compare_jsonb",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "gtsvectorin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "gtsvector"},
-		},
-		{
-			Name: "gtsvectorout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "gtsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "has_any_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_any_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_any_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_any_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_any_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_any_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_column_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_database_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_database_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_database_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_database_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_database_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_database_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_foreign_data_wrapper_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_foreign_data_wrapper_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_foreign_data_wrapper_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_foreign_data_wrapper_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_foreign_data_wrapper_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_foreign_data_wrapper_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_function_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_function_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_function_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_function_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_function_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_function_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_language_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_language_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_language_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_language_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_language_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_language_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_schema_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_schema_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_schema_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_schema_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_schema_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_schema_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_sequence_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_sequence_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_sequence_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_sequence_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_sequence_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_sequence_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_server_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_server_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_server_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_server_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_server_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_server_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_table_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_table_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_table_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_table_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_table_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_table_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_tablespace_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_tablespace_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_tablespace_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_tablespace_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_tablespace_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_tablespace_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_type_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_type_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_type_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_type_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_type_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "has_type_privilege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "hash_aclitem",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "aclitem"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hash_aclitem_extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "aclitem"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hash_array",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hash_array_extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hash_numeric",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hash_numeric_extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hash_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hash_range_extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashbpchar",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashbpcharextended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashchar",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashcharextended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashenum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashenumextended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashfloat4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashfloat4extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashfloat8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashfloat8extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashinet",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashinetextended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashint2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashint2extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashint4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashint4extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashint8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashint8extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashmacaddr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashmacaddr8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashmacaddr8extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashmacaddrextended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashname",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashnameextended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashoid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashoidextended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashoidvector",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashoidvectorextended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashtext",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashtextextended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "hashtid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "hashtidextended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "height",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "host",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "hostmask",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "in_range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "index_am_handler_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "index_am_handler"},
-		},
-		{
-			Name: "index_am_handler_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "index_am_handler"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name:       "inet_client_addr",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name:       "inet_client_port",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "inet_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "inet_merge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cidr"},
-		},
-		{
-			Name: "inet_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "inet_same_family",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "inet_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name:       "inet_server_addr",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name:       "inet_server_port",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "inetand",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "inetmi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "inetmi_int8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "inetnot",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "inetor",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "inetpl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "initcap",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "int2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int24div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int24eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int24ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int24gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int24le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int24lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int24mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int24mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int24ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int24pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int28div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int28eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int28ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int28gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int28le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int28lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int28mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int28mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int28ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int28pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int2_avg_accum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint[]"},
-		},
-		{
-			Name: "int2_avg_accum_inv",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint[]"},
-		},
-		{
-			Name: "int2_mul_cash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "int2_sum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int2abs",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2and",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int2ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int2gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int2in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2int4_sum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int2larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int2lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int2mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2mod",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int2not",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2or",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "int2pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "int2shl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2shr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2um",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2up",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int2vectorin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "int2vector"},
-		},
-		{
-			Name: "int2vectorout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "int2vector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "int2vectorsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "int2vector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "int2xor",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "int4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int42div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int42eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int42ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int42gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int42le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int42lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int42mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int42mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int42ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int42pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int48div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int48eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int48ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int48gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int48le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int48lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int48mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int48mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int48ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int48pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int4_avg_accum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint[]"},
-		},
-		{
-			Name: "int4_avg_accum_inv",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint[]"},
-		},
-		{
-			Name: "int4_avg_combine",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint[]"},
-		},
-		{
-			Name: "int4_mul_cash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "int4_sum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int4abs",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4and",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int4ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int4gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int4in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4inc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int4lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int4mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4mod",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int4not",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4or",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "int4pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "int4range"},
-		},
-		{
-			Name: "int4range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "int4range"},
-		},
-		{
-			Name: "int4range_canonical",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "int4range"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "int4range"},
-		},
-		{
-			Name: "int4range_subdiff",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "int4send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "int4shl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4shr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4um",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4up",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int4xor",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "int8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int82div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int82eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int82ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int82gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int82le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int82lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int82mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int82mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int82ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int82pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int84div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int84eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int84ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int84gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int84le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int84lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int84mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int84mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int84ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int84pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8_avg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "int8_mul_cash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "int8_sum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "int8abs",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8and",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8dec",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8dec_any",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "any"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int8ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int8gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int8in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8inc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8inc_any",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "any"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8inc_float8_float8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int8lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int8mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8mod",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "int8not",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8or",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "int8pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8pl_inet",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "int8range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "int8range"},
-		},
-		{
-			Name: "int8range",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "int8range"},
-		},
-		{
-			Name: "int8range_canonical",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "int8range"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "int8range"},
-		},
-		{
-			Name: "int8range_subdiff",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "int8send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "int8shl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8shr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8um",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8up",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "int8xor",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "integer_pl_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "date"},
-		},
-		{
-			Name: "inter_lb",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "inter_sb",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "inter_sl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "interval_accum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval[]"},
-		},
-		{
-			Name: "interval_accum_inv",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval[]"},
-		},
-		{
-			Name: "interval_avg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "interval_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "interval_combine",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval[]"},
-		},
-		{
-			Name: "interval_div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "interval_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "interval_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "interval_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "interval_hash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "interval_hash_extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "interval_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "interval_larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "interval_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "interval_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "interval_mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "interval_mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "interval_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "interval_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "interval_pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "interval_pl_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "interval_pl_time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "interval_pl_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "interval_pl_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "interval_pl_timetz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time with time zone"},
-		},
-		{
-			Name: "interval_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "interval_smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "interval_um",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "intervaltypmodin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "intervaltypmodout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "isclosed",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "isempty",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "isfinite",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "isfinite",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "isfinite",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "isfinite",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "ishorizontal",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "ishorizontal",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "ishorizontal",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "isopen",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "isparallel",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "isparallel",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "isperp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "isperp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "isvertical",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "isvertical",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "isvertical",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "json_agg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "json_array_element",
-			Args: []*catalog.Argument{
-				{
-					Name: "from_json",
-					Type: &ast.TypeName{Name: "json"},
-				},
-				{
-					Name: "element_index",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "json_array_element_text",
-			Args: []*catalog.Argument{
-				{
-					Name: "from_json",
-					Type: &ast.TypeName{Name: "json"},
-				},
-				{
-					Name: "element_index",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "json_array_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name:       "json_build_array",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name:       "json_build_object",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "json_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "json_object",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "json_object",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "json_object_agg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "any"},
-				},
-				{
-					Type: &ast.TypeName{Name: "any"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "json_object_field",
-			Args: []*catalog.Argument{
-				{
-					Name: "from_json",
-					Type: &ast.TypeName{Name: "json"},
-				},
-				{
-					Name: "field_name",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "json_object_field_text",
-			Args: []*catalog.Argument{
-				{
-					Name: "from_json",
-					Type: &ast.TypeName{Name: "json"},
-				},
-				{
-					Name: "field_name",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "json_object_keys",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "json_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "json_populate_record",
-			Args: []*catalog.Argument{
-				{
-					Name: "base",
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Name: "from_json",
-					Type: &ast.TypeName{Name: "json"},
-				},
-				{
-					Name:       "use_json_as_text",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "json_populate_recordset",
-			Args: []*catalog.Argument{
-				{
-					Name: "base",
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Name: "from_json",
-					Type: &ast.TypeName{Name: "json"},
-				},
-				{
-					Name:       "use_json_as_text",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "json_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "json_strip_nulls",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "json_to_record",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "record"},
-		},
-		{
-			Name: "json_to_recordset",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "record"},
-		},
-		{
-			Name: "json_to_tsvector",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "json_to_tsvector",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "json_typeof",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "jsonb_agg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_array_element",
-			Args: []*catalog.Argument{
-				{
-					Name: "from_json",
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name: "element_index",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_array_element_text",
-			Args: []*catalog.Argument{
-				{
-					Name: "from_json",
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name: "element_index",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "jsonb_array_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name:       "jsonb_build_array",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name:       "jsonb_build_object",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "jsonb_concat",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_contained",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_contains",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_delete",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_delete",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_delete_path",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_exists",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_exists_all",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_exists_any",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_hash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "jsonb_hash_extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "jsonb_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_insert",
-			Args: []*catalog.Argument{
-				{
-					Name: "jsonb_in",
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name: "path",
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-				{
-					Name: "replacement",
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name:       "insert_after",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_object",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_object",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_object_agg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "any"},
-				},
-				{
-					Type: &ast.TypeName{Name: "any"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_object_field",
-			Args: []*catalog.Argument{
-				{
-					Name: "from_json",
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name: "field_name",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_object_field_text",
-			Args: []*catalog.Argument{
-				{
-					Name: "from_json",
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name: "field_name",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "jsonb_object_keys",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "jsonb_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "jsonb_path_exists",
-			Args: []*catalog.Argument{
-				{
-					Name: "target",
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name: "path",
-					Type: &ast.TypeName{Name: "jsonpath"},
-				},
-				{
-					Name:       "vars",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name:       "silent",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_path_exists_opr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonpath"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_path_match",
-			Args: []*catalog.Argument{
-				{
-					Name: "target",
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name: "path",
-					Type: &ast.TypeName{Name: "jsonpath"},
-				},
-				{
-					Name:       "vars",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name:       "silent",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_path_match_opr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonpath"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "jsonb_path_query",
-			Args: []*catalog.Argument{
-				{
-					Name: "target",
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name: "path",
-					Type: &ast.TypeName{Name: "jsonpath"},
-				},
-				{
-					Name:       "vars",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name:       "silent",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_path_query_array",
-			Args: []*catalog.Argument{
-				{
-					Name: "target",
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name: "path",
-					Type: &ast.TypeName{Name: "jsonpath"},
-				},
-				{
-					Name:       "vars",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name:       "silent",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_path_query_first",
-			Args: []*catalog.Argument{
-				{
-					Name: "target",
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name: "path",
-					Type: &ast.TypeName{Name: "jsonpath"},
-				},
-				{
-					Name:       "vars",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name:       "silent",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_populate_record",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "jsonb_populate_recordset",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "jsonb_pretty",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "jsonb_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "jsonb_set",
-			Args: []*catalog.Argument{
-				{
-					Name: "jsonb_in",
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name: "path",
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-				{
-					Name: "replacement",
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Name:       "create_if_missing",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_strip_nulls",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "jsonb_to_record",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "record"},
-		},
-		{
-			Name: "jsonb_to_recordset",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "record"},
-		},
-		{
-			Name: "jsonb_to_tsvector",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "jsonb_to_tsvector",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "jsonb_typeof",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "jsonpath_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonpath"},
-		},
-		{
-			Name: "jsonpath_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonpath"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "jsonpath_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonpath"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "justify_days",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "justify_hours",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "justify_interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "lag",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "lag",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "lag",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "language_handler_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "language_handler"},
-		},
-		{
-			Name: "language_handler_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "language_handler"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "last_value",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name:       "lastval",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "lead",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "lead",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "lead",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "left",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "like",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "like",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "like",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "like_escape",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "like_escape",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "line",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "line"},
-		},
-		{
-			Name: "line_distance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "line_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "line_horizontal",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "line_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "line"},
-		},
-		{
-			Name: "line_interpt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "line_intersect",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "line_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "line_parallel",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "line_perp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "line_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "line_vertical",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "ln",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "ln",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "lo_close",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "lo_creat",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "lo_create",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "lo_export",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "lo_from_bytea",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "lo_get",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "lo_get",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "lo_import",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "lo_import",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "lo_lseek",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "lo_lseek64",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "lo_open",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "lo_put",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "lo_tell",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "lo_tell64",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "lo_truncate",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "lo_truncate64",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "lo_unlink",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "log",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "log",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "log",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "log10",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "log10",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "loread",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "lower",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "lower",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "lower_inc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "lower_inf",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "lowrite",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "lpad",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "lpad",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "lseg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "lseg"},
-		},
-		{
-			Name: "lseg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "lseg"},
-		},
-		{
-			Name: "lseg_center",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "lseg_distance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "lseg_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "lseg_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "lseg_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "lseg_horizontal",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "lseg_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "lseg"},
-		},
-		{
-			Name: "lseg_interpt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "lseg_intersect",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "lseg_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "lseg_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "lseg_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "lseg_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "lseg_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "lseg_parallel",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "lseg_perp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "lseg_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "lseg_vertical",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "ltrim",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "ltrim",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "macaddr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "macaddr"},
-		},
-		{
-			Name: "macaddr8",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "macaddr8"},
-		},
-		{
-			Name: "macaddr8_and",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "macaddr8"},
-		},
-		{
-			Name: "macaddr8_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "macaddr8_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "macaddr8_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "macaddr8_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "macaddr8_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "macaddr8"},
-		},
-		{
-			Name: "macaddr8_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "macaddr8_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "macaddr8_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "macaddr8_not",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "macaddr8"},
-		},
-		{
-			Name: "macaddr8_or",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "macaddr8"},
-		},
-		{
-			Name: "macaddr8_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "macaddr8_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "macaddr8_set7bit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "macaddr8"},
-		},
-		{
-			Name: "macaddr_and",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "macaddr"},
-		},
-		{
-			Name: "macaddr_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "macaddr_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "macaddr_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "macaddr_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "macaddr_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "macaddr"},
-		},
-		{
-			Name: "macaddr_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "macaddr_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "macaddr_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "macaddr_not",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "macaddr"},
-		},
-		{
-			Name: "macaddr_or",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "macaddr"},
-		},
-		{
-			Name: "macaddr_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "macaddr_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "make_date",
-			Args: []*catalog.Argument{
-				{
-					Name: "year",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "month",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "day",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "date"},
-		},
-		{
-			Name: "make_interval",
-			Args: []*catalog.Argument{
-				{
-					Name:       "years",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name:       "months",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name:       "weeks",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name:       "days",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name:       "hours",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name:       "mins",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name:       "secs",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "make_time",
-			Args: []*catalog.Argument{
-				{
-					Name: "hour",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "min",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "sec",
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "make_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Name: "year",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "month",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "mday",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "hour",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "min",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "sec",
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "make_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Name: "year",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "month",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "mday",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "hour",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "min",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "sec",
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "make_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Name: "year",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "month",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "mday",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "hour",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "min",
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Name: "sec",
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Name: "timezone",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "makeaclitem",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "aclitem"},
-		},
-		{
-			Name: "masklen",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "character"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "date"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time with time zone"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tid"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "max",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyenum"},
-		},
-		{
-			Name: "md5",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "md5",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyenum"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyenum"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tid"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "character"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time with time zone"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "date"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "min",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "mod",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "mod",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "smallint"},
-		},
-		{
-			Name: "mod",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "mod",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "mode",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "money",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "money",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "money",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "mul_d_interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "mxid_age",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "name",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character varying"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name: "name",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name: "name",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name: "nameconcatoid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name: "nameeq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "nameeqtext",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "namege",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "namegetext",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "namegt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "namegttext",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "nameiclike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "nameicnlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "nameicregexeq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "nameicregexne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "namein",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name: "namele",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "nameletext",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "namelike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "namelt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "namelttext",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "namene",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "namenetext",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "namenlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "nameout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "nameregexeq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "nameregexne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "namesend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "netmask",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "network",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cidr"},
-		},
-		{
-			Name: "network_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "network_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "network_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "network_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "network_larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "network_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "network_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "network_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "network_overlap",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "network_smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "network_sub",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "network_subeq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "network_sup",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "network_supeq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "nextval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "notlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "notlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "notlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name:       "now",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "npoints",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "npoints",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "nth_value",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "ntile",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "numeric",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_abs",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_add",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "numeric_div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_div_trunc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "numeric_exp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_fac",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "numeric_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "numeric_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_inc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "numeric_ln",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_log",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "numeric_mod",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "numeric_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "numeric_power",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "numeric_smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_sqrt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_sub",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_uminus",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numeric_uplus",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "numerictypmodin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "numerictypmodout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "numnode",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "numrange",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numrange"},
-		},
-		{
-			Name: "numrange",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numrange"},
-		},
-		{
-			Name: "numrange_subdiff",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "obj_description",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "obj_description",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "octet_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "octet_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "octet_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "octet_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "oid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "oideq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "oidge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "oidgt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "oidin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "oidlarger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "oidle",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "oidlt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "oidne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "oidout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "oidsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "oidsmaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "oidvectoreq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "oidvectorge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "oidvectorgt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "oidvectorin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oidvector"},
-		},
-		{
-			Name: "oidvectorle",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "oidvectorlt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "oidvectorne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "oidvectorout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "oidvectorsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "oidvectortypes",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oidvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "on_pb",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "on_pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "on_ppath",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "on_ps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "on_sb",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "on_sl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-				{
-					Type: &ast.TypeName{Name: "line"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "opaque_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "opaque"},
-		},
-		{
-			Name: "opaque_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "opaque"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "overlay",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "overlay",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "overlay",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "overlay",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "overlay",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "overlay",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "parse_ident",
-			Args: []*catalog.Argument{
-				{
-					Name: "str",
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Name:       "strict",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "path",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "path"},
-		},
-		{
-			Name: "path_add",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "path"},
-		},
-		{
-			Name: "path_add_pt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "path"},
-		},
-		{
-			Name: "path_center",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "path_contain_pt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "path_distance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "path_div_pt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "path"},
-		},
-		{
-			Name: "path_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "path"},
-		},
-		{
-			Name: "path_inter",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "path_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "path_mul_pt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "path"},
-		},
-		{
-			Name: "path_n_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "path_n_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "path_n_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "path_n_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "path_n_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "path_npoints",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "path_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "path_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "path_sub_pt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "path"},
-		},
-		{
-			Name: "pclose",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "path"},
-		},
-		{
-			Name:       "percent_rank",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "percentile_cont",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "percentile_cont",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision[]"},
-		},
-		{
-			Name: "percentile_cont",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "percentile_cont",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval[]"},
-		},
-		{
-			Name: "percentile_disc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyarray"},
-		},
-		{
-			Name: "percentile_disc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "pg_advisory_lock",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_advisory_lock",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_advisory_lock_shared",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_advisory_lock_shared",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_advisory_unlock",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_advisory_unlock",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name:       "pg_advisory_unlock_all",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_advisory_unlock_shared",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_advisory_unlock_shared",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_advisory_xact_lock",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_advisory_xact_lock",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_advisory_xact_lock_shared",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_advisory_xact_lock_shared",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name:       "pg_backend_pid",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name:       "pg_backup_start_time",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "pg_blocking_pids",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer[]"},
-		},
-		{
-			Name: "pg_cancel_backend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_char_to_encoding",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name:       "pg_client_encoding",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name: "pg_collation_actual_version",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_collation_for",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "any"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_collation_is_visible",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_column_is_updatable",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_column_size",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "any"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name:       "pg_conf_load_time",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "pg_conversion_is_visible",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_create_restore_point",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name: "pg_current_logfile",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name:       "pg_current_logfile",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name:       "pg_current_wal_flush_lsn",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name:       "pg_current_wal_insert_lsn",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name:       "pg_current_wal_lsn",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name: "pg_database_size",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_database_size",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_ddl_command_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "pg_ddl_command"},
-		},
-		{
-			Name: "pg_ddl_command_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_ddl_command"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "pg_ddl_command_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_ddl_command"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pg_dependencies_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "pg_dependencies"},
-		},
-		{
-			Name: "pg_dependencies_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_dependencies"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "pg_dependencies_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_dependencies"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pg_describe_object",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_drop_replication_slot",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_encoding_max_length",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "pg_encoding_to_char",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name:       "pg_event_trigger_table_rewrite_reason",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name:       "pg_export_snapshot",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_extension_config_dump",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_filenode_relation",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regclass"},
-		},
-		{
-			Name: "pg_function_is_visible",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_get_constraintdef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_constraintdef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_expr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_node_tree"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_expr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_node_tree"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_function_arg_default",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_function_arguments",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_function_identity_arguments",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_function_result",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_functiondef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_indexdef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_indexdef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_partition_constraintdef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_partkeydef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_replica_identity_index",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regclass"},
-		},
-		{
-			Name: "pg_get_ruledef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_ruledef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_serial_sequence",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_statisticsobjdef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_triggerdef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_triggerdef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_userbyid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name: "pg_get_viewdef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_viewdef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_viewdef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_viewdef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_get_viewdef",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_has_role",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_has_role",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_has_role",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_has_role",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_has_role",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_has_role",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_import_system_collations",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regnamespace"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "pg_index_column_has_property",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_index_has_property",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_indexam_has_property",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_indexam_progress_phasename",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_indexes_size",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "pg_is_in_backup",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name:       "pg_is_in_recovery",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_is_other_temp_schema",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name:       "pg_is_wal_replay_paused",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_isolation_test_session_is_blocked",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name:       "pg_jit_available",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name:       "pg_last_wal_receive_lsn",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name:       "pg_last_wal_replay_lsn",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name:       "pg_last_xact_replay_timestamp",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name:       "pg_listening_channels",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_logical_emit_message",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name: "pg_logical_emit_message",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name: "pg_ls_dir",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_ls_dir",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_lsn_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "pg_lsn_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_lsn_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_lsn_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_lsn_hash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "pg_lsn_hash_extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_lsn_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name: "pg_lsn_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_lsn_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_lsn_mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "pg_lsn_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_lsn_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "pg_lsn_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pg_mcv_list_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "pg_mcv_list"},
-		},
-		{
-			Name: "pg_mcv_list_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_mcv_list"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "pg_mcv_list_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_mcv_list"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name:       "pg_my_temp_schema",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "pg_ndistinct_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "pg_ndistinct"},
-		},
-		{
-			Name: "pg_ndistinct_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_ndistinct"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "pg_ndistinct_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_ndistinct"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pg_nextoid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "pg_node_tree_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "pg_node_tree"},
-		},
-		{
-			Name: "pg_node_tree_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_node_tree"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "pg_node_tree_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_node_tree"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name:       "pg_notification_queue_usage",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "pg_notify",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_opclass_is_visible",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_operator_is_visible",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_opfamily_is_visible",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_partition_root",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regclass"},
-		},
-		{
-			Name:       "pg_postmaster_start_time",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "pg_promote",
-			Args: []*catalog.Argument{
-				{
-					Name:       "wait",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name:       "wait_seconds",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_read_binary_file",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pg_read_binary_file",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pg_read_binary_file",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "pg_read_file",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_read_file",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_read_file",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_read_file_old",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_relation_filenode",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "pg_relation_filepath",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_relation_is_publishable",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_relation_is_updatable",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "pg_relation_size",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_relation_size",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "pg_reload_conf",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_replication_origin_advance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_replication_origin_create",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "pg_replication_origin_drop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_replication_origin_oid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "pg_replication_origin_progress",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name:       "pg_replication_origin_session_is_setup",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_replication_origin_session_progress",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name:       "pg_replication_origin_session_reset",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_replication_origin_session_setup",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name:       "pg_replication_origin_xact_reset",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_replication_origin_xact_setup",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name:       "pg_rotate_logfile",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name:       "pg_rotate_logfile_old",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_safe_snapshot_blocking_pids",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer[]"},
-		},
-		{
-			Name: "pg_sequence_last_value",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_size_bytes",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_size_pretty",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_size_pretty",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_sleep",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_sleep_for",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_sleep_until",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_start_backup",
-			Args: []*catalog.Argument{
-				{
-					Name: "label",
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Name:       "fast",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name:       "exclusive",
-					HasDefault: true,
-					Type:       &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name:       "pg_stat_clear_snapshot",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_stat_get_analyze_count",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_autoanalyze_count",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_autovacuum_count",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_backend_activity",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_stat_get_backend_activity_start",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "pg_stat_get_backend_client_addr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "pg_stat_get_backend_client_port",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "pg_stat_get_backend_dbid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name:       "pg_stat_get_backend_idset",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "pg_stat_get_backend_pid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "pg_stat_get_backend_start",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "pg_stat_get_backend_userid",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "pg_stat_get_backend_wait_event",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_stat_get_backend_wait_event_type",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_stat_get_backend_xact_start",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name:       "pg_stat_get_bgwriter_buf_written_checkpoints",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "pg_stat_get_bgwriter_buf_written_clean",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "pg_stat_get_bgwriter_maxwritten_clean",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "pg_stat_get_bgwriter_requested_checkpoints",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "pg_stat_get_bgwriter_stat_reset_time",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name:       "pg_stat_get_bgwriter_timed_checkpoints",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_blocks_fetched",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_blocks_hit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "pg_stat_get_buf_alloc",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "pg_stat_get_buf_fsync_backend",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "pg_stat_get_buf_written_backend",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "pg_stat_get_checkpoint_sync_time",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name:       "pg_stat_get_checkpoint_write_time",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "pg_stat_get_db_blk_read_time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "pg_stat_get_db_blk_write_time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "pg_stat_get_db_blocks_fetched",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_blocks_hit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_checksum_failures",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_checksum_last_failure",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "pg_stat_get_db_conflict_all",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_conflict_bufferpin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_conflict_lock",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_conflict_snapshot",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_conflict_startup_deadlock",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_conflict_tablespace",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_deadlocks",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_numbackends",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "pg_stat_get_db_stat_reset_time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "pg_stat_get_db_temp_bytes",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_temp_files",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_tuples_deleted",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_tuples_fetched",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_tuples_inserted",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_tuples_returned",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_tuples_updated",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_xact_commit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_db_xact_rollback",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_dead_tuples",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_function_calls",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_function_self_time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "pg_stat_get_function_total_time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "pg_stat_get_last_analyze_time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "pg_stat_get_last_autoanalyze_time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "pg_stat_get_last_autovacuum_time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "pg_stat_get_last_vacuum_time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "pg_stat_get_live_tuples",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_mod_since_analyze",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_numscans",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "pg_stat_get_snapshot_timestamp",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "pg_stat_get_tuples_deleted",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_tuples_fetched",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_tuples_hot_updated",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_tuples_inserted",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_tuples_returned",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_tuples_updated",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_vacuum_count",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_xact_blocks_fetched",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_xact_blocks_hit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_xact_function_calls",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_xact_function_self_time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "pg_stat_get_xact_function_total_time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "pg_stat_get_xact_numscans",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_xact_tuples_deleted",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_xact_tuples_fetched",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_xact_tuples_hot_updated",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_xact_tuples_inserted",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_xact_tuples_returned",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_stat_get_xact_tuples_updated",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "pg_stat_reset",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_stat_reset_shared",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_stat_reset_single_function_counters",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_stat_reset_single_table_counters",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_statistics_obj_is_visible",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name:       "pg_stop_backup",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name:       "pg_switch_wal",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "pg_lsn"},
-		},
-		{
-			Name: "pg_table_is_visible",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_table_size",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_tablespace_databases",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "oid"},
-		},
-		{
-			Name: "pg_tablespace_location",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_tablespace_size",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_tablespace_size",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "pg_terminate_backend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_total_relation_size",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "pg_trigger_depth",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "pg_try_advisory_lock",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_try_advisory_lock",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_try_advisory_lock_shared",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_try_advisory_lock_shared",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_try_advisory_xact_lock",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_try_advisory_xact_lock",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_try_advisory_xact_lock_shared",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_try_advisory_xact_lock_shared",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_ts_config_is_visible",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_ts_dict_is_visible",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_ts_parser_is_visible",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_ts_template_is_visible",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_type_is_visible",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pg_typeof",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "any"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regtype"},
-		},
-		{
-			Name: "pg_wal_lsn_diff",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name:       "pg_wal_replay_pause",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name:       "pg_wal_replay_resume",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "pg_walfile_name",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "pg_lsn"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "pg_xact_commit_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "phraseto_tsquery",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "phraseto_tsquery",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name:       "pi",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "plainto_tsquery",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "plainto_tsquery",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name:       "plpgsql_call_handler",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "language_handler"},
-		},
-		{
-			Name: "plpgsql_validator",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "point",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "point",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "point",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "point",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "lseg"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "point",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "point",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "point_above",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "point_add",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "point_below",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "point_distance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "point_div",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "point_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "point_horiz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "point_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "point_left",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "point_mul",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "point_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "point_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "point_right",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "point_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "point_sub",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "point_vert",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_above",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_below",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_center",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "point"},
-		},
-		{
-			Name: "poly_contain",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_contain_pt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_contained",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_distance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "poly_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "polygon"},
-		},
-		{
-			Name: "poly_left",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_npoints",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "poly_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "poly_overabove",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_overbelow",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_overlap",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_overleft",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_overright",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_right",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_same",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "poly_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "polygon",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "polygon"},
-		},
-		{
-			Name: "polygon",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "polygon"},
-		},
-		{
-			Name: "polygon",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "polygon"},
-		},
-		{
-			Name: "polygon",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "polygon"},
-		},
-		{
-			Name: "popen",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "path"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "path"},
-		},
-		{
-			Name: "position",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "position",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "position",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "postgresql_fdw_validator",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pow",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "pow",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "power",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "power",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "pt_contained_circle",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "pt_contained_poly",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "query_to_xml",
-			Args: []*catalog.Argument{
-				{
-					Name: "query",
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "query_to_xml_and_xmlschema",
-			Args: []*catalog.Argument{
-				{
-					Name: "query",
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "query_to_xmlschema",
-			Args: []*catalog.Argument{
-				{
-					Name: "query",
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "querytree",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "quote_ident",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "quote_literal",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "quote_literal",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "quote_nullable",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "quote_nullable",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "radians",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "radius",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "circle"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name:       "random",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "range_adjacent",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_after",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_before",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "range_contained_by",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_contains",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_contains_elem",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyrange"},
-		},
-		{
-			Name: "range_intersect",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyrange"},
-		},
-		{
-			Name: "range_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_merge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyrange"},
-		},
-		{
-			Name: "range_minus",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyrange"},
-		},
-		{
-			Name: "range_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "range_overlaps",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_overleft",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_overright",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "range_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "range_union",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyrange"},
-		},
-		{
-			Name:       "rank",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "record_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "record_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "record_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "record_image_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "record_image_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "record_image_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "record_image_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "record_image_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "record_image_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "record_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "record"},
-		},
-		{
-			Name: "record_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "record_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "record_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "record_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "record_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "regclass",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regclass"},
-		},
-		{
-			Name: "regclassin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regclass"},
-		},
-		{
-			Name: "regclassout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "regclasssend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "regconfigin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regconfig"},
-		},
-		{
-			Name: "regconfigout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "regconfigsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "regdictionaryin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regdictionary"},
-		},
-		{
-			Name: "regdictionaryout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regdictionary"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "regdictionarysend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regdictionary"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "regexp_match",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "regexp_match",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "regexp_matches",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "regexp_matches",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "regexp_replace",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "regexp_replace",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "regexp_split_to_array",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "regexp_split_to_array",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "regexp_split_to_table",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "regexp_split_to_table",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "regnamespacein",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regnamespace"},
-		},
-		{
-			Name: "regnamespaceout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regnamespace"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "regnamespacesend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regnamespace"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "regoperatorin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regoperator"},
-		},
-		{
-			Name: "regoperatorout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regoperator"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "regoperatorsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regoperator"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "regoperin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regoper"},
-		},
-		{
-			Name: "regoperout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regoper"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "regopersend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regoper"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "regprocedurein",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regprocedure"},
-		},
-		{
-			Name: "regprocedureout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regprocedure"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "regproceduresend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regprocedure"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "regprocin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regproc"},
-		},
-		{
-			Name: "regprocout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regproc"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "regprocsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regproc"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "regr_avgx",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "regr_avgy",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "regr_count",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "regr_intercept",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "regr_r2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "regr_slope",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "regr_sxx",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "regr_sxy",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "regr_syy",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "regrolein",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regrole"},
-		},
-		{
-			Name: "regroleout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regrole"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "regrolesend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regrole"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "regtypein",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regtype"},
-		},
-		{
-			Name: "regtypeout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regtype"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "regtypesend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regtype"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "repeat",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "replace",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "reverse",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "right",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "round",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "round",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "round",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name:       "row_number",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "row_security_active",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "row_security_active",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "row_to_json",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "row_to_json",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "record"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "rpad",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "rpad",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "rtrim",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "rtrim",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "scale",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "schema_to_xml",
-			Args: []*catalog.Argument{
-				{
-					Name: "schema",
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "schema_to_xml_and_xmlschema",
-			Args: []*catalog.Argument{
-				{
-					Name: "schema",
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "schema_to_xmlschema",
-			Args: []*catalog.Argument{
-				{
-					Name: "schema",
-					Type: &ast.TypeName{Name: "name"},
-				},
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name:       "session_user",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "name"},
-		},
-		{
-			Name: "set_bit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "set_bit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "set_byte",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "set_config",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "set_masklen",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cidr"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cidr"},
-		},
-		{
-			Name: "set_masklen",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "inet"},
-		},
-		{
-			Name: "setseed",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "setval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "setval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "setweight",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "setweight",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "sha224",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "sha256",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "sha384",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "sha512",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "shell_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "opaque"},
-		},
-		{
-			Name: "shell_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "opaque"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "shobj_description",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "sign",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "sign",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "similar_escape",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "sin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "sind",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "sinh",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "slope",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-				{
-					Type: &ast.TypeName{Name: "point"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "spg_poly_quad_compress",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "polygon"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "box"},
-		},
-		{
-			Name: "split_part",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "sqrt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "sqrt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "starts_with",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name:       "statement_timestamp",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "stddev",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "stddev",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "stddev",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "stddev",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "stddev",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "stddev",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "stddev_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "stddev_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "stddev_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "stddev_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "stddev_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "stddev_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "stddev_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "stddev_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "stddev_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "stddev_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "stddev_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "stddev_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "string_agg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "string_agg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "string_to_array",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "string_to_array",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "strip",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "strpos",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "substr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "substr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "substr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "substr",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "substring",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "substring",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "substring",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bytea"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "substring",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "substring",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit"},
-		},
-		{
-			Name: "substring",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "substring",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "substring",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "sum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "sum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "sum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "sum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "money"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "money"},
-		},
-		{
-			Name: "sum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "sum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "sum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "sum",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name:       "suppress_redundant_updates_trigger",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name: "table_am_handler_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "table_am_handler"},
-		},
-		{
-			Name: "table_am_handler_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "table_am_handler"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "table_to_xml",
-			Args: []*catalog.Argument{
-				{
-					Name: "tbl",
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "table_to_xml_and_xmlschema",
-			Args: []*catalog.Argument{
-				{
-					Name: "tbl",
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "table_to_xmlschema",
-			Args: []*catalog.Argument{
-				{
-					Name: "tbl",
-					Type: &ast.TypeName{Name: "regclass"},
-				},
-				{
-					Name: "nulls",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "tableforest",
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-				{
-					Name: "targetns",
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "tan",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "tand",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "tanh",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "text",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "char"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "text",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "text",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "text",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xml"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "text",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "text",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "inet"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "text_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "text_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "text_larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "text_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "text_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "text_pattern_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "text_pattern_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "text_pattern_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "text_pattern_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "text_smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "textanycat",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anynonarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "textcat",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "texteq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "texteqname",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "textgename",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "textgtname",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "texticlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "texticnlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "texticregexeq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "texticregexne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "textin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "textlen",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "textlename",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "textlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "textltname",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "textne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "textnename",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "textnlike",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "textout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "textregexeq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "textregexne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "textsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "tideq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tidge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tidgt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tidin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tid"},
-		},
-		{
-			Name: "tidlarger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tid"},
-		},
-		{
-			Name: "tidle",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tidlt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tidne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tidout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "tidsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "tidsmaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tid"},
-		},
-		{
-			Name: "time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "time_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "time_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "time_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "time_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "time_hash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "time_hash_extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "time_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "time_larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "time_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "time_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "time_mi_interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "time_mi_time",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "time_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "time_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "time_pl_interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "time_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "time_smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time without time zone"},
-		},
-		{
-			Name: "timedate_pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name:       "timeofday",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "timestamp_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "timestamp_cmp_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "timestamp_cmp_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "timestamp_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_eq_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_eq_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_ge_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_ge_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_gt_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_gt_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_hash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "timestamp_hash_extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "timestamp_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "timestamp_larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "timestamp_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_le_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_le_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_lt_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_lt_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "timestamp_mi_interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "timestamp_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_ne_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_ne_timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamp_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "timestamp_pl_interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "timestamp_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "timestamp_smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "timestamptypmodin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "timestamptypmodout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "timestamptz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "timestamptz_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "timestamptz_cmp_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "timestamptz_cmp_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "timestamptz_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_eq_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_eq_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_ge_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_ge_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_gt_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_gt_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "timestamptz_larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "timestamptz_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_le_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_le_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_lt_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_lt_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_mi",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "interval"},
-		},
-		{
-			Name: "timestamptz_mi_interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "timestamptz_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_ne_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_ne_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timestamptz_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "timestamptz_pl_interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "timestamptz_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "timestamptz_smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "timestamptztypmodin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "timestamptztypmodout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "timetypmodin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "timetypmodout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "timetz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time with time zone"},
-		},
-		{
-			Name: "timetz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time with time zone"},
-		},
-		{
-			Name: "timetz",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time with time zone"},
-		},
-		{
-			Name: "timetz_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "timetz_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timetz_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timetz_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timetz_hash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "timetz_hash_extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "timetz_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time with time zone"},
-		},
-		{
-			Name: "timetz_larger",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time with time zone"},
-		},
-		{
-			Name: "timetz_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timetz_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timetz_mi_interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time with time zone"},
-		},
-		{
-			Name: "timetz_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "timetz_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "timetz_pl_interval",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time with time zone"},
-		},
-		{
-			Name: "timetz_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "timetz_smaller",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time with time zone"},
-		},
-		{
-			Name: "timetzdate_pl",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "date"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "timetztypmodin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "timetztypmodout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "timezone",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "timezone",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "timezone",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time with time zone"},
-		},
-		{
-			Name: "timezone",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "time with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "time with time zone"},
-		},
-		{
-			Name: "timezone",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "timezone",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
-		},
-		{
-			Name: "to_ascii",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "to_ascii",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "to_ascii",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "to_char",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "to_char",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "to_char",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "to_char",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "to_char",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "to_char",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "to_char",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "interval"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "to_char",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "to_date",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "date"},
-		},
-		{
-			Name: "to_hex",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "to_hex",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "to_json",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "to_jsonb",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "to_number",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "to_regclass",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regclass"},
-		},
-		{
-			Name: "to_regnamespace",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regnamespace"},
-		},
-		{
-			Name: "to_regoper",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regoper"},
-		},
-		{
-			Name: "to_regoperator",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regoperator"},
-		},
-		{
-			Name: "to_regproc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regproc"},
-		},
-		{
-			Name: "to_regprocedure",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regprocedure"},
-		},
-		{
-			Name: "to_regrole",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regrole"},
-		},
-		{
-			Name: "to_regtype",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "regtype"},
-		},
-		{
-			Name: "to_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "to_timestamp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "to_tsquery",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "to_tsquery",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "to_tsvector",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "to_tsvector",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "to_tsvector",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "to_tsvector",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "to_tsvector",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "to_tsvector",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name:       "transaction_timestamp",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
-		},
-		{
-			Name: "translate",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "trigger_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name: "trigger_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "trigger"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "trunc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "macaddr"},
-		},
-		{
-			Name: "trunc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "macaddr8"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "macaddr8"},
-		},
-		{
-			Name: "trunc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "trunc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "trunc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "ts_delete",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "ts_delete",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "ts_filter",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "char[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "ts_headline",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "ts_headline",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "ts_headline",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "ts_headline",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "ts_headline",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "ts_headline",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "ts_headline",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "ts_headline",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "ts_headline",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "ts_headline",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "ts_headline",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "json"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "json"},
-		},
-		{
-			Name: "ts_headline",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "jsonb"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "jsonb"},
-		},
-		{
-			Name: "ts_lexize",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regdictionary"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name: "ts_match_qv",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "ts_match_tq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "ts_match_tt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "ts_match_vq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "ts_rank",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "ts_rank",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "ts_rank",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "ts_rank",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "ts_rank_cd",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "ts_rank_cd",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "ts_rank_cd",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real[]"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "ts_rank_cd",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "real"},
-		},
-		{
-			Name: "ts_rewrite",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "ts_rewrite",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "tsm_handler_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsm_handler"},
-		},
-		{
-			Name: "tsm_handler_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsm_handler"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "tsq_mcontained",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsq_mcontains",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsquery_and",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "tsquery_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "tsquery_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsquery_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsquery_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsquery_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsquery_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsquery_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsquery_not",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "tsquery_or",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "tsquery_phrase",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "tsquery_phrase",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "tsqueryin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "tsqueryout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "tsquerysend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsquery"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "tsrange",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsrange"},
-		},
-		{
-			Name: "tsrange",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsrange"},
-		},
-		{
-			Name: "tsrange_subdiff",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp without time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "tstzrange",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tstzrange"},
-		},
-		{
-			Name: "tstzrange",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tstzrange"},
-		},
-		{
-			Name: "tstzrange_subdiff",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-				{
-					Type: &ast.TypeName{Name: "timestamp with time zone"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "tsvector_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "tsvector_concat",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "tsvector_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsvector_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsvector_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsvector_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsvector_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsvector_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "tsvector_to_array",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text[]"},
-		},
-		{
-			Name:       "tsvector_update_trigger",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name:       "tsvector_update_trigger_column",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name: "tsvectorin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsvector"},
-		},
-		{
-			Name: "tsvectorout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "tsvectorsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "tsvector"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name:       "txid_current",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "txid_current_if_assigned",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name:       "txid_current_snapshot",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "txid_snapshot"},
-		},
-		{
-			Name: "txid_snapshot_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "txid_snapshot"},
-		},
-		{
-			Name: "txid_snapshot_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "txid_snapshot"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "txid_snapshot_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "txid_snapshot"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "txid_snapshot_xip",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "txid_snapshot"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "txid_snapshot_xmax",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "txid_snapshot"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "txid_snapshot_xmin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "txid_snapshot"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "txid_status",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "txid_visible_in_snapshot",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-				{
-					Type: &ast.TypeName{Name: "txid_snapshot"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name:       "unique_key_recheck",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "trigger"},
-		},
-		{
-			Name: "unknownin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "unknown"},
-		},
-		{
-			Name: "unknownout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "unknown"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "unknownsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "unknown"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "unnest",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "upper",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "upper",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "anyelement"},
-		},
-		{
-			Name: "upper_inc",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "upper_inf",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyrange"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "uuid_cmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "uuid_eq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "uuid_ge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "uuid_gt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "uuid_hash",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "uuid_hash_extended",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bigint"},
-		},
-		{
-			Name: "uuid_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "uuid"},
-		},
-		{
-			Name: "uuid_le",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "uuid_lt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "uuid_ne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "uuid_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "uuid_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "uuid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "var_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "var_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "var_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "var_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "var_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "var_pop",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "var_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "var_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "var_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "var_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "var_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "var_samp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "varbit",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit varying"},
-		},
-		{
-			Name: "varbit_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bit varying"},
-		},
-		{
-			Name: "varbit_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "varbit_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "varbitcmp",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "varbiteq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "varbitge",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "varbitgt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "varbitle",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "varbitlt",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "varbitne",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-				{
-					Type: &ast.TypeName{Name: "bit varying"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "varbittypmodin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "varbittypmodout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "varchar",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "name"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "character varying"},
-		},
-		{
-			Name: "varchar",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character varying"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-				{
-					Type: &ast.TypeName{Name: "boolean"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "character varying"},
-		},
-		{
-			Name: "varcharin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-				{
-					Type: &ast.TypeName{Name: "oid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "character varying"},
-		},
-		{
-			Name: "varcharout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character varying"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "varcharsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "character varying"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "varchartypmodin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "varchartypmodout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "variance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "bigint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "variance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "variance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "variance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "variance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "smallint"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "numeric"},
-		},
-		{
-			Name: "variance",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "real"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name:       "version",
-			Args:       []*catalog.Argument{},
-			ReturnType: &ast.TypeName{Name: "text"},
-		},
-		{
-			Name: "void_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "void"},
-		},
-		{
-			Name: "void_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "void"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "void_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "void"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "websearch_to_tsquery",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "websearch_to_tsquery",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "regconfig"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "tsquery"},
-		},
-		{
-			Name: "width",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "box"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "double precision"},
-		},
-		{
-			Name: "width_bucket",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "numeric"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "width_bucket",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "anyelement"},
-				},
-				{
-					Type: &ast.TypeName{Name: "anyarray"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "width_bucket",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "double precision"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "integer"},
-		},
-		{
-			Name: "xideq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "xid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "xideqint4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "xidin",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xid"},
-		},
-		{
-			Name: "xidneq",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "xid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "xidneqint4",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xid"},
-				},
-				{
-					Type: &ast.TypeName{Name: "integer"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "xidout",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "xidsend",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xid"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "xml",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "xml_in",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "cstring"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "xml_is_well_formed",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "xml_is_well_formed_content",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "xml_is_well_formed_document",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "xml_out",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xml"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "cstring"},
-		},
-		{
-			Name: "xml_send",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xml"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "bytea"},
-		},
-		{
-			Name: "xmlagg",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xml"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "xmlcomment",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "xmlconcat2",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xml"},
-				},
-				{
-					Type: &ast.TypeName{Name: "xml"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml"},
-		},
-		{
-			Name: "xmlexists",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "xml"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "xmlvalidate",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "xml"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "xpath",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "xml"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml[]"},
-		},
-		{
-			Name: "xpath",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "xml"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "xml[]"},
-		},
-		{
-			Name: "xpath_exists",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "xml"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-		{
-			Name: "xpath_exists",
-			Args: []*catalog.Argument{
-				{
-					Type: &ast.TypeName{Name: "text"},
-				},
-				{
-					Type: &ast.TypeName{Name: "xml"},
-				},
-				{
-					Type: &ast.TypeName{Name: "text[]"},
-				},
-			},
-			ReturnType: &ast.TypeName{Name: "boolean"},
-		},
-	}
-	return s
-}
diff --git a/internal/engine/postgresql/pg_catalog.go b/internal/engine/postgresql/pg_catalog.go
index 039860eac7..4868272f94 100644
--- a/internal/engine/postgresql/pg_catalog.go
+++ b/internal/engine/postgresql/pg_catalog.go
@@ -1,3 +1,5 @@
+// Code generated by sqlc-pg-gen. DO NOT EDIT.
+
 package postgresql
 
 import (
@@ -5,261 +7,26639 @@ import (
 	"github.com/kyleconroy/sqlc/internal/sql/catalog"
 )
 
-func pgCatalog() *catalog.Schema {
+func genPGCatalog() *catalog.Schema {
 	s := &catalog.Schema{Name: "pg_catalog"}
 	s.Funcs = []*catalog.Function{
-		// Table 9.5. Mathematical Functions
-		// https://www.postgresql.org/docs/current/functions-math.html#FUNCTIONS-MATH-FUNC-TABLE
-		argN("abs", 1),
-		argN("cbrt", 1),
-		argN("ceil", 1),
-		argN("ceiling", 1),
-		argN("degrees", 1),
-		argN("div", 2),
-		argN("exp", 1),
-		argN("floor", 1),
-		argN("ln", 1),
-		argN("log", 1),
-		argN("log", 2),
-		argN("mod", 2),
-		argN("pi", 0),
-		argN("power", 2),
-		argN("radians", 1),
-		argN("round", 1),
-		argN("round", 2),
-		argN("scale", 1),
-		argN("sign", 1),
-		argN("sqrt", 1),
-		argN("trunc", 1),
-		argN("trunc", 2),
-		argN("width_bucket", 2),
-		argN("width_bucket", 4),
-
-		// Table 9.6. Random Functions
-		// https://www.postgresql.org/docs/current/functions-math.html#FUNCTIONS-MATH-RANDOM-TABLE
-		argN("random", 0),
-
-		// Table 9.52. General-Purpose Aggregate Functions
-		// https://www.postgresql.org/docs/current/functions-aggregate.html#FUNCTIONS-AGGREGATE-TABLE
 		{
-			Name: "bool_and",
+			Name:       "RI_FKey_cascade_del",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name:       "RI_FKey_cascade_upd",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name:       "RI_FKey_check_ins",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name:       "RI_FKey_check_upd",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name:       "RI_FKey_noaction_del",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name:       "RI_FKey_noaction_upd",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name:       "RI_FKey_restrict_del",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name:       "RI_FKey_restrict_upd",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name:       "RI_FKey_setdefault_del",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name:       "RI_FKey_setdefault_upd",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name:       "RI_FKey_setnull_del",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name:       "RI_FKey_setnull_upd",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name: "abbrev",
 			Args: []*catalog.Argument{
-				{Type: &ast.TypeName{Name: "any"}},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
 			},
-			ReturnType: typeName("bool"),
+			ReturnType: &ast.TypeName{Name: "text"},
 		},
 		{
-			Name: "bool_or",
+			Name: "abbrev",
 			Args: []*catalog.Argument{
-				{Type: &ast.TypeName{Name: "any"}},
+				{
+					Type: &ast.TypeName{Name: "cidr"},
+				},
 			},
-			ReturnType: typeName("bool"),
+			ReturnType: &ast.TypeName{Name: "text"},
 		},
 		{
-			Name:       "count",
-			ReturnType: typeName("bigint"),
+			Name: "abs",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
 		},
 		{
-			Name: "count",
+			Name: "abs",
 			Args: []*catalog.Argument{
-				{Type: &ast.TypeName{Name: "any"}},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
 			},
-			ReturnType: typeName("bigint"),
+			ReturnType: &ast.TypeName{Name: "integer"},
 		},
 		{
-			Name: "every",
+			Name: "abs",
 			Args: []*catalog.Argument{
-				{Type: &ast.TypeName{Name: "any"}},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
 			},
-			ReturnType: typeName("bool"),
+			ReturnType: &ast.TypeName{Name: "smallint"},
 		},
-
-		// Table 9.9. SQL String Functions and Operators
-		// https://www.postgresql.org/docs/current/functions-string.html
-		argN("position", 2),
 		{
-			Name:       "lower",
-			ReturnType: typeName("text"),
+			Name: "abs",
 			Args: []*catalog.Argument{
-				{Type: typeName("string")},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
 			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
 		},
 		{
-			Name:       "upper",
-			ReturnType: typeName("text"),
+			Name: "abs",
 			Args: []*catalog.Argument{
-				{Type: typeName("string")},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
 			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
 		},
-
-		// Advisory Lock Functions
-		//
-		// The functions shown in Table 9.95 manage advisory locks. For details about
-		// proper use of these functions, see Section 13.3.5.
-		//
-		// https://www.postgresql.org/docs/current/functions-admin.html
-		//
-		// Table 9.95. Advisory Lock Functions
 		{
-			Name:       "pg_advisory_lock",
-			Desc:       "Obtain exclusive session level advisory lock",
-			ReturnType: typeName("void"),
+			Name: "abs",
 			Args: []*catalog.Argument{
 				{
-					Name: "key",
-					Type: &ast.TypeName{Name: "bigint"},
+					Type: &ast.TypeName{Name: "real"},
 				},
 			},
+			ReturnType: &ast.TypeName{Name: "real"},
 		},
 		{
-			Name:       "pg_advisory_lock",
-			Desc:       "Obtain exclusive session level advisory lock",
-			ReturnType: typeName("void"),
+			Name: "aclcontains",
 			Args: []*catalog.Argument{
 				{
-					Name: "key1",
-					Type: &ast.TypeName{Name: "int"},
+					Type: &ast.TypeName{Name: "aclitem[]"},
 				},
 				{
-					Name: "key1",
-					Type: &ast.TypeName{Name: "int"},
+					Type: &ast.TypeName{Name: "aclitem"},
 				},
 			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
 		},
 		{
-			Name:       "pg_advisory_lock_shared",
-			Desc:       "Obtain shared session level advisory lock",
-			ReturnType: typeName("void"),
+			Name: "acldefault",
 			Args: []*catalog.Argument{
 				{
-					Name: "key",
-					Type: &ast.TypeName{Name: "bigint"},
+					Type: &ast.TypeName{Name: "char"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
 				},
 			},
+			ReturnType: &ast.TypeName{Name: "aclitem[]"},
 		},
 		{
-			Name:       "pg_advisory_lock_shared",
-			Desc:       "Obtain shared session level advisory lock",
-			ReturnType: typeName("void"),
+			Name: "aclinsert",
 			Args: []*catalog.Argument{
 				{
-					Name: "key1",
-					Type: &ast.TypeName{Name: "int"},
+					Type: &ast.TypeName{Name: "aclitem[]"},
 				},
 				{
-					Name: "key1",
-					Type: &ast.TypeName{Name: "int"},
+					Type: &ast.TypeName{Name: "aclitem"},
 				},
 			},
+			ReturnType: &ast.TypeName{Name: "aclitem[]"},
 		},
 		{
-			Name:       "pg_advisory_unlock",
-			Desc:       "Release an exclusive session level advisory lock",
-			ReturnType: typeName("bool"),
+			Name: "aclitemeq",
 			Args: []*catalog.Argument{
 				{
-					Name: "key",
-					Type: &ast.TypeName{Name: "bigint"},
+					Type: &ast.TypeName{Name: "aclitem"},
+				},
+				{
+					Type: &ast.TypeName{Name: "aclitem"},
 				},
 			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
 		},
 		{
-			Name:       "pg_advisory_unlock",
-			Desc:       "Release an exclusive session level advisory lock",
-			ReturnType: typeName("bool"),
+			Name: "aclitemin",
 			Args: []*catalog.Argument{
 				{
-					Name: "key1",
-					Type: &ast.TypeName{Name: "int"},
+					Type: &ast.TypeName{Name: "cstring"},
 				},
+			},
+			ReturnType: &ast.TypeName{Name: "aclitem"},
+		},
+		{
+			Name: "aclitemout",
+			Args: []*catalog.Argument{
 				{
-					Name: "key1",
-					Type: &ast.TypeName{Name: "int"},
+					Type: &ast.TypeName{Name: "aclitem"},
 				},
 			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
 		},
 		{
-			Name:       "pg_advisory_unlock_all",
-			Desc:       "Release all session level advisory locks held by the current session",
-			ReturnType: typeName("void"),
+			Name: "aclremove",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "aclitem[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "aclitem"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "aclitem[]"},
 		},
 		{
-			Name:       "pg_advisory_unlock_shared",
-			Desc:       "Unlock a shared session level advisory lock",
-			ReturnType: typeName("bool"),
+			Name: "acos",
 			Args: []*catalog.Argument{
 				{
-					Name: "key",
-					Type: &ast.TypeName{Name: "bigint"},
+					Type: &ast.TypeName{Name: "double precision"},
 				},
 			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
 		},
 		{
-			Name:       "pg_advisory_unlock_shared",
-			Desc:       "Unlock a shared session level advisory lock",
-			ReturnType: typeName("bool"),
+			Name: "acosd",
 			Args: []*catalog.Argument{
 				{
-					Name: "key1",
-					Type: &ast.TypeName{Name: "int"},
+					Type: &ast.TypeName{Name: "double precision"},
 				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "acosh",
+			Args: []*catalog.Argument{
 				{
-					Name: "key1",
-					Type: &ast.TypeName{Name: "int"},
+					Type: &ast.TypeName{Name: "double precision"},
 				},
 			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
 		},
 		{
-			Name:       "pg_advisory_xact_lock",
-			Desc:       "Obtain exclusive transaction level advisory lock",
-			ReturnType: typeName("void"),
+			Name: "age",
 			Args: []*catalog.Argument{
 				{
-					Name: "key",
-					Type: &ast.TypeName{Name: "bigint"},
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "age",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
 				},
 			},
+			ReturnType: &ast.TypeName{Name: "interval"},
 		},
 		{
-			Name:       "pg_advisory_xact_lock",
-			Desc:       "Obtain exclusive transaction level advisory lock",
-			ReturnType: typeName("void"),
+			Name: "age",
 			Args: []*catalog.Argument{
 				{
-					Name: "key1",
-					Type: &ast.TypeName{Name: "int"},
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
 				},
 				{
-					Name: "key1",
-					Type: &ast.TypeName{Name: "int"},
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
 				},
 			},
+			ReturnType: &ast.TypeName{Name: "interval"},
 		},
 		{
-			Name:       "pg_advisory_xact_lock_shared",
-			Desc:       "Obtain exclusive transaction level advisory lock",
-			ReturnType: typeName("void"),
+			Name: "age",
 			Args: []*catalog.Argument{
 				{
-					Name: "key",
-					Type: &ast.TypeName{Name: "bigint"},
+					Type: &ast.TypeName{Name: "xid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "age",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "amvalidate",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "any_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "any"},
+		},
+		{
+			Name: "any_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "anyarray_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "anyarray_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "anyarray_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "anyelement_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "anyelement_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "anyenum_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyenum"},
+		},
+		{
+			Name: "anyenum_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "anynonarray_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anynonarray"},
+		},
+		{
+			Name: "anynonarray_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anynonarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "anyrange_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyrange"},
+		},
+		{
+			Name: "anyrange_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "anytextcat",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anynonarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "area",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "area",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "area",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "array_agg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "array_agg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anynonarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "array_append",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "array_cat",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "array_dims",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "array_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "array_fill",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
 				},
 			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
 		},
 		{
-			Name:       "pg_advisory_xact_lock_shared",
-			Desc:       "Obtain exclusive transaction level advisory lock",
-			ReturnType: typeName("void"),
+			Name: "array_fill",
 			Args: []*catalog.Argument{
 				{
-					Name: "key1",
-					Type: &ast.TypeName{Name: "int"},
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "array_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "array_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "array_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "array_larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "array_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "array_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "array_lower",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "array_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "array_ndims",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "array_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "array_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "array_position",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "array_position",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "array_positions",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "array_prepend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "array_remove",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "array_replace",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "array_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "array_smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "array_to_json",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "array_to_json",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "array_to_string",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "array_to_string",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "array_to_tsvector",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "array_upper",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "arraycontained",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "arraycontains",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "arrayoverlap",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ascii",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "asin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "asind",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "asinh",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "atan",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "atan2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "atan2d",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "atand",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "atanh",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "avg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "avg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "avg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "avg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "avg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "avg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "avg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "binary_upgrade_create_empty_extension",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "binary_upgrade_set_missing_value",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "binary_upgrade_set_next_array_pg_type_oid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "binary_upgrade_set_next_heap_pg_class_oid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "binary_upgrade_set_next_index_pg_class_oid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "binary_upgrade_set_next_pg_authid_oid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "binary_upgrade_set_next_pg_enum_oid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "binary_upgrade_set_next_pg_type_oid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "binary_upgrade_set_next_toast_pg_class_oid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "binary_upgrade_set_next_toast_pg_type_oid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "binary_upgrade_set_record_init_privs",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "bit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "bit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "bit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "bit_and",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "bit_and",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "bit_and",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "bit_and",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "bit_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "bit_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "bit_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "bit_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "bit_or",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "bit_or",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "bit_or",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "bit_or",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "bit_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "bit_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "bitand",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "bitcat",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit varying"},
+		},
+		{
+			Name: "bitcmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "biteq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bitge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bitgt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bitle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bitlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bitne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bitnot",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "bitor",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "bitshiftleft",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "bitshiftright",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "bittypmodin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "bittypmodout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "bitxor",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "bool",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bool",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bool_and",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bool_or",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "booland_statefunc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "booleq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "boolge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "boolgt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "boolin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "boolle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "boollt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "boolne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "boolor_statefunc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "boolout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "boolsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "bound_box",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "box"},
+		},
+		{
+			Name: "box",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "box"},
+		},
+		{
+			Name: "box",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "box"},
+		},
+		{
+			Name: "box",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "box"},
+		},
+		{
+			Name: "box",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "box"},
+		},
+		{
+			Name: "box_above",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_above_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_add",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "box"},
+		},
+		{
+			Name: "box_below",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_below_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_center",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "box_contain",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_contain_pt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_contained",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_distance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "box_div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "box"},
+		},
+		{
+			Name: "box_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "box"},
+		},
+		{
+			Name: "box_intersect",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "box"},
+		},
+		{
+			Name: "box_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_left",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "box"},
+		},
+		{
+			Name: "box_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "box_overabove",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_overbelow",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_overlap",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_overleft",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_overright",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_right",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_same",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "box_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "box_sub",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "box"},
+		},
+		{
+			Name: "bpchar",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "character"},
+		},
+		{
+			Name: "bpchar",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "character"},
+		},
+		{
+			Name: "bpchar",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "character"},
+		},
+		{
+			Name: "bpchar_larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "character"},
+		},
+		{
+			Name: "bpchar_pattern_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpchar_pattern_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpchar_pattern_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpchar_pattern_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpchar_smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "character"},
+		},
+		{
+			Name: "bpcharcmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "bpchareq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpcharge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpchargt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpchariclike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpcharicnlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpcharicregexeq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpcharicregexne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpcharin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "character"},
+		},
+		{
+			Name: "bpcharle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpcharlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpcharlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpcharne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpcharnlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpcharout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "bpcharregexeq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpcharregexne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bpcharsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "bpchartypmodin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "bpchartypmodout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "brin_desummarize_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "brin_summarize_new_values",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "brin_summarize_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "broadcast",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "btarraycmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btboolcmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btbpchar_pattern_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btcharcmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btfloat48cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btfloat4cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btfloat84cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btfloat8cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btint24cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btint28cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btint2cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btint42cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btint48cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btint4cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btint82cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btint84cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btint8cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btnamecmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btnametextcmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btoidcmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btoidvectorcmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btrecordcmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btrecordimagecmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "btrim",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "btrim",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "btrim",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "bttext_pattern_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "bttextcmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "bttextnamecmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "bttidcmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "byteacat",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "byteacmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "byteaeq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "byteage",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "byteagt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "byteain",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "byteale",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bytealike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "bytealt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "byteane",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "byteanlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "byteaout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "byteasend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "cardinality",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "cash_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "cash_div_cash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "cash_div_flt4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cash_div_flt8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cash_div_int2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cash_div_int4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cash_div_int8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cash_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cash_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cash_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cash_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cash_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cash_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cash_mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cash_mul_flt4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cash_mul_flt8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cash_mul_int2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cash_mul_int4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cash_mul_int8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cash_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cash_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "cash_pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cash_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "cash_words",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "cashlarger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cashsmaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "cbrt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "ceil",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "ceil",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "ceiling",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "ceiling",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "center",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "center",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "char",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "char"},
+		},
+		{
+			Name: "char",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "char"},
+		},
+		{
+			Name: "char_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "char_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "character_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "character_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "chareq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "charge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "chargt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "charin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "char"},
+		},
+		{
+			Name: "charle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "charlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "charne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "charout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "charsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "chr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "cideq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "cid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "cidin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cid"},
+		},
+		{
+			Name: "cidout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "cidr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cidr"},
+		},
+		{
+			Name: "cidr_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cidr"},
+		},
+		{
+			Name: "cidr_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cidr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "cidr_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cidr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "cidsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "circle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "circle"},
+		},
+		{
+			Name: "circle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "circle"},
+		},
+		{
+			Name: "circle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "circle"},
+		},
+		{
+			Name: "circle_above",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_add_pt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "circle"},
+		},
+		{
+			Name: "circle_below",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_center",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "circle_contain",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_contain_pt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_contained",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_distance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "circle_div_pt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "circle"},
+		},
+		{
+			Name: "circle_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "circle"},
+		},
+		{
+			Name: "circle_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_left",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_mul_pt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "circle"},
+		},
+		{
+			Name: "circle_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "circle_overabove",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_overbelow",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_overlap",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_overleft",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_overright",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_right",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_same",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "circle_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "circle_sub_pt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "circle"},
+		},
+		{
+			Name:       "clock_timestamp",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "close_lb",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "close_ls",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "close_lseg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "close_pb",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "close_pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "close_ps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "close_sb",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "close_sl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "col_description",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "convert",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "convert_from",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "convert_to",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "corr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "cos",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "cosd",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "cosh",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "cot",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "cotd",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "count",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "count",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "covar_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "covar_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "cstring_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "cstring_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "cstring_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name:       "cume_dist",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name:       "current_database",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name:       "current_query",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name:       "current_schema",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name: "current_schemas",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "name[]"},
+		},
+		{
+			Name: "current_setting",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "current_setting",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name:       "current_user",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name: "currtid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tid"},
+		},
+		{
+			Name: "currtid2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tid"},
+		},
+		{
+			Name: "currval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "cursor_to_xml",
+			Args: []*catalog.Argument{
+				{
+					Name: "cursor",
+					Type: &ast.TypeName{Name: "refcursor"},
+				},
+				{
+					Name: "count",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "cursor_to_xmlschema",
+			Args: []*catalog.Argument{
+				{
+					Name: "cursor",
+					Type: &ast.TypeName{Name: "refcursor"},
+				},
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "database_to_xml",
+			Args: []*catalog.Argument{
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "database_to_xml_and_xmlschema",
+			Args: []*catalog.Argument{
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "database_to_xmlschema",
+			Args: []*catalog.Argument{
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "date"},
+		},
+		{
+			Name: "date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "date"},
+		},
+		{
+			Name: "date_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "date_cmp_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "date_cmp_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "date_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_eq_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_eq_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_ge_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_ge_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_gt_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_gt_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "date"},
+		},
+		{
+			Name: "date_larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "date"},
+		},
+		{
+			Name: "date_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_le_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_le_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_lt_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_lt_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "date_mi_interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "date_mii",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "date"},
+		},
+		{
+			Name: "date_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_ne_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_ne_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "date_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "date_part",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "date_part",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "date_part",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "date_part",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "date_part",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "date_part",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "date_pl_interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "date_pli",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "date"},
+		},
+		{
+			Name: "date_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "date_smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "date"},
+		},
+		{
+			Name: "date_trunc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "date_trunc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "date_trunc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "date_trunc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "daterange",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "daterange"},
+		},
+		{
+			Name: "daterange",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "daterange"},
+		},
+		{
+			Name: "daterange_canonical",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "daterange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "daterange"},
+		},
+		{
+			Name: "daterange_subdiff",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "datetime_pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "datetimetz_pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "dcbrt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "decode",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "degrees",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name:       "dense_rank",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "dexp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "diagonal",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "lseg"},
+		},
+		{
+			Name: "diameter",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dist_cpoint",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dist_cpoly",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dist_lb",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dist_pb",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dist_pc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dist_pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dist_polyp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dist_ppath",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dist_ppoly",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dist_ps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dist_sb",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dist_sl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "dlog1",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dlog10",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "domain_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "any"},
+		},
+		{
+			Name: "dpow",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dround",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dsqrt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "dtrunc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "elem_contained_by_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "encode",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "enum_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "enum_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "enum_first",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyenum"},
+		},
+		{
+			Name: "enum_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "enum_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "enum_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyenum"},
+		},
+		{
+			Name: "enum_larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyenum"},
+		},
+		{
+			Name: "enum_last",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyenum"},
+		},
+		{
+			Name: "enum_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "enum_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "enum_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "enum_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "enum_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "enum_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "enum_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "enum_smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyenum"},
+		},
+		{
+			Name: "event_trigger_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "event_trigger"},
+		},
+		{
+			Name: "event_trigger_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "event_trigger"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "every",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "exp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "exp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "factorial",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "family",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "fdw_handler_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "fdw_handler"},
+		},
+		{
+			Name: "fdw_handler_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "fdw_handler"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "first_value",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "float4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float48div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float48eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float48ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float48gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float48le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float48lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float48mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float48mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float48ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float48pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float4_accum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision[]"},
+		},
+		{
+			Name: "float4abs",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float4ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float4gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float4in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float4lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float4mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float4out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "float4pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "float4smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4um",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float4up",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "float8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float84div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float84eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float84ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float84gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float84le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float84lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float84mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float84mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float84ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float84pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_accum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision[]"},
+		},
+		{
+			Name: "float8_avg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_combine",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision[]"},
+		},
+		{
+			Name: "float8_corr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_covar_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_covar_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_regr_accum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision[]"},
+		},
+		{
+			Name: "float8_regr_avgx",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_regr_avgy",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_regr_combine",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision[]"},
+		},
+		{
+			Name: "float8_regr_intercept",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_regr_r2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_regr_slope",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_regr_sxx",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_regr_sxy",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_regr_syy",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_stddev_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_stddev_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_var_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8_var_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8abs",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float8ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float8gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float8in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float8lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float8mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "float8out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "float8pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "float8smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8um",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "float8up",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "floor",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "floor",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "flt4_mul_cash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "flt8_mul_cash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "fmgr_c_validator",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "fmgr_internal_validator",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "fmgr_sql_validator",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "format",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "format_type",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "generate_series",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "generate_series",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "generate_series",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "generate_series",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "generate_series",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "generate_series",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "generate_series",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "generate_series",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "generate_subscripts",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "generate_subscripts",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "get_bit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "get_bit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "get_byte",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name:       "get_current_ts_config",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "regconfig"},
+		},
+		{
+			Name:       "getdatabaseencoding",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name:       "getpgusername",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name: "gin_clean_pending_list",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "gin_cmp_tslexeme",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "gin_compare_jsonb",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "gtsvectorin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "gtsvector"},
+		},
+		{
+			Name: "gtsvectorout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "gtsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "has_any_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_any_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_any_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_any_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_any_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_any_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_column_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_database_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_database_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_database_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_database_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_database_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_database_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_foreign_data_wrapper_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_foreign_data_wrapper_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_foreign_data_wrapper_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_foreign_data_wrapper_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_foreign_data_wrapper_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_foreign_data_wrapper_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_function_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_function_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_function_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_function_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_function_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_function_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_language_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_language_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_language_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_language_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_language_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_language_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_schema_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_schema_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_schema_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_schema_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_schema_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_schema_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_sequence_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_sequence_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_sequence_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_sequence_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_sequence_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_sequence_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_server_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_server_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_server_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_server_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_server_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_server_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_table_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_table_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_table_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_table_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_table_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_table_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_tablespace_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_tablespace_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_tablespace_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_tablespace_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_tablespace_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_tablespace_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_type_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_type_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_type_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_type_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_type_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "has_type_privilege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "hash_aclitem",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "aclitem"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hash_aclitem_extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "aclitem"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hash_array",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hash_array_extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hash_numeric",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hash_numeric_extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hash_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hash_range_extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashbpchar",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashbpcharextended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashchar",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashcharextended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashenum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashenumextended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashfloat4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashfloat4extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashfloat8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashfloat8extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashinet",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashinetextended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashint2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashint2extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashint4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashint4extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashint8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashint8extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashmacaddr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashmacaddr8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashmacaddr8extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashmacaddrextended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashname",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashnameextended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashoid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashoidextended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashoidvector",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashoidvectorextended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashtext",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashtextextended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "hashtid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "hashtidextended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "height",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "host",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "hostmask",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "in_range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "index_am_handler_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "index_am_handler"},
+		},
+		{
+			Name: "index_am_handler_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "index_am_handler"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name:       "inet_client_addr",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name:       "inet_client_port",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "inet_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "inet_merge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cidr"},
+		},
+		{
+			Name: "inet_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "inet_same_family",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "inet_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name:       "inet_server_addr",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name:       "inet_server_port",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "inetand",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "inetmi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "inetmi_int8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "inetnot",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "inetor",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "inetpl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "initcap",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "int2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int24div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int24eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int24ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int24gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int24le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int24lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int24mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int24mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int24ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int24pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int28div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int28eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int28ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int28gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int28le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int28lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int28mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int28mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int28ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int28pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int2_avg_accum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint[]"},
+		},
+		{
+			Name: "int2_avg_accum_inv",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint[]"},
+		},
+		{
+			Name: "int2_mul_cash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "int2_sum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int2abs",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2and",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int2ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int2gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int2in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2int4_sum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int2larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int2lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int2mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2mod",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int2not",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2or",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "int2pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "int2shl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2shr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2um",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2up",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int2vectorin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "int2vector"},
+		},
+		{
+			Name: "int2vectorout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "int2vector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "int2vectorsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "int2vector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "int2xor",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "int4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int42div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int42eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int42ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int42gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int42le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int42lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int42mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int42mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int42ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int42pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int48div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int48eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int48ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int48gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int48le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int48lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int48mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int48mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int48ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int48pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int4_avg_accum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint[]"},
+		},
+		{
+			Name: "int4_avg_accum_inv",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint[]"},
+		},
+		{
+			Name: "int4_avg_combine",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint[]"},
+		},
+		{
+			Name: "int4_mul_cash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "int4_sum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int4abs",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4and",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int4ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int4gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int4in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4inc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int4lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int4mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4mod",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int4not",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4or",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "int4pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "int4range"},
+		},
+		{
+			Name: "int4range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "int4range"},
+		},
+		{
+			Name: "int4range_canonical",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "int4range"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "int4range"},
+		},
+		{
+			Name: "int4range_subdiff",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "int4send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "int4shl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4shr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4um",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4up",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int4xor",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "int8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int82div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int82eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int82ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int82gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int82le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int82lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int82mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int82mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int82ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int82pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int84div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int84eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int84ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int84gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int84le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int84lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int84mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int84mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int84ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int84pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8_avg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "int8_mul_cash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "int8_sum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "int8abs",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8and",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8dec",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8dec_any",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int8ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int8gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int8in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8inc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8inc_any",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8inc_float8_float8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int8lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int8mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8mod",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "int8not",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8or",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "int8pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8pl_inet",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "int8range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "int8range"},
+		},
+		{
+			Name: "int8range",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "int8range"},
+		},
+		{
+			Name: "int8range_canonical",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "int8range"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "int8range"},
+		},
+		{
+			Name: "int8range_subdiff",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "int8send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "int8shl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8shr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8um",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8up",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "int8xor",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "integer_pl_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "date"},
+		},
+		{
+			Name: "inter_lb",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "inter_sb",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "inter_sl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "interval_accum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval[]"},
+		},
+		{
+			Name: "interval_accum_inv",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval[]"},
+		},
+		{
+			Name: "interval_avg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "interval_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "interval_combine",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval[]"},
+		},
+		{
+			Name: "interval_div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "interval_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "interval_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "interval_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "interval_hash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "interval_hash_extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "interval_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "interval_larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "interval_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "interval_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "interval_mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "interval_mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "interval_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "interval_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "interval_pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "interval_pl_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "interval_pl_time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "interval_pl_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "interval_pl_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "interval_pl_timetz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time with time zone"},
+		},
+		{
+			Name: "interval_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "interval_smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "interval_um",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "intervaltypmodin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "intervaltypmodout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "isclosed",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isempty",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isfinite",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isfinite",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isfinite",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isfinite",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ishorizontal",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ishorizontal",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ishorizontal",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isopen",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isparallel",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isparallel",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isperp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isperp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isvertical",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isvertical",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "isvertical",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "json_agg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "json_array_element",
+			Args: []*catalog.Argument{
+				{
+					Name: "from_json",
+					Type: &ast.TypeName{Name: "json"},
+				},
+				{
+					Name: "element_index",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "json_array_element_text",
+			Args: []*catalog.Argument{
+				{
+					Name: "from_json",
+					Type: &ast.TypeName{Name: "json"},
+				},
+				{
+					Name: "element_index",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "json_array_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name:       "json_build_array",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name:       "json_build_object",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "json_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "json_object",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "json_object",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "json_object_agg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "json_object_field",
+			Args: []*catalog.Argument{
+				{
+					Name: "from_json",
+					Type: &ast.TypeName{Name: "json"},
+				},
+				{
+					Name: "field_name",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "json_object_field_text",
+			Args: []*catalog.Argument{
+				{
+					Name: "from_json",
+					Type: &ast.TypeName{Name: "json"},
+				},
+				{
+					Name: "field_name",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "json_object_keys",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "json_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "json_populate_record",
+			Args: []*catalog.Argument{
+				{
+					Name: "base",
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Name: "from_json",
+					Type: &ast.TypeName{Name: "json"},
+				},
+				{
+					Name:       "use_json_as_text",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "json_populate_recordset",
+			Args: []*catalog.Argument{
+				{
+					Name: "base",
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Name: "from_json",
+					Type: &ast.TypeName{Name: "json"},
+				},
+				{
+					Name:       "use_json_as_text",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "json_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "json_strip_nulls",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "json_to_record",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "json_to_recordset",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "json_to_tsvector",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "json_to_tsvector",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "json_typeof",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "jsonb_agg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_array_element",
+			Args: []*catalog.Argument{
+				{
+					Name: "from_json",
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name: "element_index",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_array_element_text",
+			Args: []*catalog.Argument{
+				{
+					Name: "from_json",
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name: "element_index",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "jsonb_array_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name:       "jsonb_build_array",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name:       "jsonb_build_object",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "jsonb_concat",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_contained",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_contains",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_delete",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_delete",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_delete_path",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_exists",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_exists_all",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_exists_any",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_hash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "jsonb_hash_extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "jsonb_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_insert",
+			Args: []*catalog.Argument{
+				{
+					Name: "jsonb_in",
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name: "path",
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+				{
+					Name: "replacement",
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name:       "insert_after",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_object",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_object",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_object_agg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_object_field",
+			Args: []*catalog.Argument{
+				{
+					Name: "from_json",
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name: "field_name",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_object_field_text",
+			Args: []*catalog.Argument{
+				{
+					Name: "from_json",
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name: "field_name",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "jsonb_object_keys",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "jsonb_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "jsonb_path_exists",
+			Args: []*catalog.Argument{
+				{
+					Name: "target",
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name: "path",
+					Type: &ast.TypeName{Name: "jsonpath"},
+				},
+				{
+					Name:       "vars",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name:       "silent",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_path_exists_opr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonpath"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_path_match",
+			Args: []*catalog.Argument{
+				{
+					Name: "target",
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name: "path",
+					Type: &ast.TypeName{Name: "jsonpath"},
+				},
+				{
+					Name:       "vars",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name:       "silent",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_path_match_opr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonpath"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "jsonb_path_query",
+			Args: []*catalog.Argument{
+				{
+					Name: "target",
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name: "path",
+					Type: &ast.TypeName{Name: "jsonpath"},
+				},
+				{
+					Name:       "vars",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name:       "silent",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_path_query_array",
+			Args: []*catalog.Argument{
+				{
+					Name: "target",
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name: "path",
+					Type: &ast.TypeName{Name: "jsonpath"},
+				},
+				{
+					Name:       "vars",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name:       "silent",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_path_query_first",
+			Args: []*catalog.Argument{
+				{
+					Name: "target",
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name: "path",
+					Type: &ast.TypeName{Name: "jsonpath"},
+				},
+				{
+					Name:       "vars",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name:       "silent",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_populate_record",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "jsonb_populate_recordset",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "jsonb_pretty",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "jsonb_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "jsonb_set",
+			Args: []*catalog.Argument{
+				{
+					Name: "jsonb_in",
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name: "path",
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+				{
+					Name: "replacement",
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Name:       "create_if_missing",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_strip_nulls",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "jsonb_to_record",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "jsonb_to_recordset",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "jsonb_to_tsvector",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "jsonb_to_tsvector",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "jsonb_typeof",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "jsonpath_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonpath"},
+		},
+		{
+			Name: "jsonpath_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonpath"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "jsonpath_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonpath"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "justify_days",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "justify_hours",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "justify_interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "lag",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "lag",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "lag",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "language_handler_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "language_handler"},
+		},
+		{
+			Name: "language_handler_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "language_handler"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "last_value",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name:       "lastval",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "lead",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "lead",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "lead",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "left",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "like",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "like",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "like",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "like_escape",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "like_escape",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "line",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "line"},
+		},
+		{
+			Name: "line_distance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "line_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "line_horizontal",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "line_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "line"},
+		},
+		{
+			Name: "line_interpt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "line_intersect",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "line_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "line_parallel",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "line_perp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "line_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "line_vertical",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ln",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "ln",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "lo_close",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "lo_creat",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "lo_create",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "lo_export",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "lo_from_bytea",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "lo_get",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "lo_get",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "lo_import",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "lo_import",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "lo_lseek",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "lo_lseek64",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "lo_open",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "lo_put",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "lo_tell",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "lo_tell64",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "lo_truncate",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "lo_truncate64",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "lo_unlink",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "log",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "log",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "log",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "log10",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "log10",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "loread",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "lower",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "lower",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "lower_inc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "lower_inf",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "lowrite",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "lpad",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "lpad",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "lseg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "lseg"},
+		},
+		{
+			Name: "lseg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "lseg"},
+		},
+		{
+			Name: "lseg_center",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "lseg_distance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "lseg_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "lseg_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "lseg_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "lseg_horizontal",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "lseg_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "lseg"},
+		},
+		{
+			Name: "lseg_interpt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "lseg_intersect",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "lseg_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "lseg_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "lseg_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "lseg_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "lseg_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "lseg_parallel",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "lseg_perp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "lseg_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "lseg_vertical",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ltrim",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "ltrim",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "macaddr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "macaddr"},
+		},
+		{
+			Name: "macaddr8",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "macaddr8"},
+		},
+		{
+			Name: "macaddr8_and",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "macaddr8"},
+		},
+		{
+			Name: "macaddr8_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "macaddr8_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "macaddr8_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "macaddr8_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "macaddr8_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "macaddr8"},
+		},
+		{
+			Name: "macaddr8_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "macaddr8_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "macaddr8_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "macaddr8_not",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "macaddr8"},
+		},
+		{
+			Name: "macaddr8_or",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "macaddr8"},
+		},
+		{
+			Name: "macaddr8_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "macaddr8_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "macaddr8_set7bit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "macaddr8"},
+		},
+		{
+			Name: "macaddr_and",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "macaddr"},
+		},
+		{
+			Name: "macaddr_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "macaddr_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "macaddr_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "macaddr_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "macaddr_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "macaddr"},
+		},
+		{
+			Name: "macaddr_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "macaddr_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "macaddr_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "macaddr_not",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "macaddr"},
+		},
+		{
+			Name: "macaddr_or",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "macaddr"},
+		},
+		{
+			Name: "macaddr_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "macaddr_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "make_date",
+			Args: []*catalog.Argument{
+				{
+					Name: "year",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "month",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "day",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "date"},
+		},
+		{
+			Name: "make_interval",
+			Args: []*catalog.Argument{
+				{
+					Name:       "years",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name:       "months",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name:       "weeks",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name:       "days",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name:       "hours",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name:       "mins",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name:       "secs",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "make_time",
+			Args: []*catalog.Argument{
+				{
+					Name: "hour",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "min",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "sec",
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "make_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Name: "year",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "month",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "mday",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "hour",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "min",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "sec",
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "make_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Name: "year",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "month",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "mday",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "hour",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "min",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "sec",
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Name: "timezone",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "make_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Name: "year",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "month",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "mday",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "hour",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "min",
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Name: "sec",
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "makeaclitem",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "aclitem"},
+		},
+		{
+			Name: "masklen",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyenum"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "date"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time with time zone"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "character"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tid"},
+		},
+		{
+			Name: "max",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "md5",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "md5",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "character"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time with time zone"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyenum"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyenum"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tid"},
+		},
+		{
+			Name: "min",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "date"},
+		},
+		{
+			Name: "mod",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "mod",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "mod",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "smallint"},
+		},
+		{
+			Name: "mod",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "mode",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "money",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "money",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "money",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "mul_d_interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "mxid_age",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "name",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character varying"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name: "name",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name: "name",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name: "nameconcatoid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name: "nameeq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "nameeqtext",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "namege",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "namegetext",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "namegt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "namegttext",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "nameiclike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "nameicnlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "nameicregexeq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "nameicregexne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "namein",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name: "namele",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "nameletext",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "namelike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "namelt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "namelttext",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "namene",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "namenetext",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "namenlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "nameout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "nameregexeq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "nameregexne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "namesend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "netmask",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "network",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cidr"},
+		},
+		{
+			Name: "network_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "network_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "network_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "network_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "network_larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "network_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "network_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "network_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "network_overlap",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "network_smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "network_sub",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "network_subeq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "network_sup",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "network_supeq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "nextval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "notlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "notlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "notlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name:       "now",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "npoints",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "npoints",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "nth_value",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "ntile",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "numeric",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_abs",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_add",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "numeric_div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_div_trunc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "numeric_exp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_fac",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "numeric_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "numeric_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_inc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "numeric_ln",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_log",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "numeric_mod",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "numeric_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "numeric_power",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "numeric_smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_sqrt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_sub",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_uminus",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numeric_uplus",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "numerictypmodin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "numerictypmodout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "numnode",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "numrange",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numrange"},
+		},
+		{
+			Name: "numrange",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numrange"},
+		},
+		{
+			Name: "numrange_subdiff",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "obj_description",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "obj_description",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "octet_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "octet_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "octet_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "octet_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "oid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "oideq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "oidge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "oidgt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "oidin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "oidlarger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "oidle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "oidlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "oidne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "oidout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "oidsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "oidsmaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "oidvectoreq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "oidvectorge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "oidvectorgt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "oidvectorin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oidvector"},
+		},
+		{
+			Name: "oidvectorle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "oidvectorlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "oidvectorne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "oidvectorout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "oidvectorsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "oidvectortypes",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oidvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "on_pb",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "on_pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "on_ppath",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "on_ps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "on_sb",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "on_sl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+				{
+					Type: &ast.TypeName{Name: "line"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "opaque_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "opaque"},
+		},
+		{
+			Name: "opaque_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "opaque"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "overlay",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "overlay",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "overlay",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "overlay",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "overlay",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "overlay",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "parse_ident",
+			Args: []*catalog.Argument{
+				{
+					Name: "str",
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Name:       "strict",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "path",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "path"},
+		},
+		{
+			Name: "path_add",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "path"},
+		},
+		{
+			Name: "path_add_pt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "path"},
+		},
+		{
+			Name: "path_center",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "path_contain_pt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "path_distance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "path_div_pt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "path"},
+		},
+		{
+			Name: "path_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "path"},
+		},
+		{
+			Name: "path_inter",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "path_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "path_mul_pt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "path"},
+		},
+		{
+			Name: "path_n_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "path_n_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "path_n_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "path_n_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "path_n_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "path_npoints",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "path_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "path_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "path_sub_pt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "path"},
+		},
+		{
+			Name: "pclose",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "path"},
+		},
+		{
+			Name:       "percent_rank",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "percentile_cont",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "percentile_cont",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision[]"},
+		},
+		{
+			Name: "percentile_cont",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "percentile_cont",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval[]"},
+		},
+		{
+			Name: "percentile_disc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "percentile_disc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyarray"},
+		},
+		{
+			Name: "pg_advisory_lock",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_advisory_lock",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_advisory_lock_shared",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_advisory_lock_shared",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_advisory_unlock",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_advisory_unlock",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name:       "pg_advisory_unlock_all",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_advisory_unlock_shared",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_advisory_unlock_shared",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_advisory_xact_lock",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_advisory_xact_lock",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_advisory_xact_lock_shared",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_advisory_xact_lock_shared",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name:       "pg_backend_pid",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name:       "pg_backup_start_time",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "pg_blocking_pids",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "pg_cancel_backend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_char_to_encoding",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name:       "pg_client_encoding",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name: "pg_collation_actual_version",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_collation_for",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_collation_is_visible",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_column_is_updatable",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_column_size",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name:       "pg_conf_load_time",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "pg_conversion_is_visible",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_create_restore_point",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name: "pg_current_logfile",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name:       "pg_current_logfile",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name:       "pg_current_wal_flush_lsn",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name:       "pg_current_wal_insert_lsn",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name:       "pg_current_wal_lsn",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name: "pg_database_size",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_database_size",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_ddl_command_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "pg_ddl_command"},
+		},
+		{
+			Name: "pg_ddl_command_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_ddl_command"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "pg_ddl_command_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_ddl_command"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pg_dependencies_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "pg_dependencies"},
+		},
+		{
+			Name: "pg_dependencies_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_dependencies"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "pg_dependencies_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_dependencies"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pg_describe_object",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_drop_replication_slot",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_encoding_max_length",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "pg_encoding_to_char",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name:       "pg_event_trigger_table_rewrite_reason",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name:       "pg_export_snapshot",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_extension_config_dump",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_file_rename",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_file_rename",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_file_unlink",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_file_write",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_filenode_relation",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regclass"},
+		},
+		{
+			Name: "pg_function_is_visible",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_get_constraintdef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_constraintdef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_expr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_node_tree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_expr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_node_tree"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_function_arg_default",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_function_arguments",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_function_identity_arguments",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_function_result",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_functiondef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_indexdef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_indexdef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_partition_constraintdef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_partkeydef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_replica_identity_index",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regclass"},
+		},
+		{
+			Name: "pg_get_ruledef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_ruledef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_serial_sequence",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_statisticsobjdef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_triggerdef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_triggerdef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_userbyid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name: "pg_get_viewdef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_viewdef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_viewdef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_viewdef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_get_viewdef",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_has_role",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_has_role",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_has_role",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_has_role",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_has_role",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_has_role",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_import_system_collations",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regnamespace"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "pg_index_column_has_property",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_index_has_property",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_indexam_has_property",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_indexam_progress_phasename",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_indexes_size",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_is_in_backup",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name:       "pg_is_in_recovery",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_is_other_temp_schema",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name:       "pg_is_wal_replay_paused",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_isolation_test_session_is_blocked",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name:       "pg_jit_available",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name:       "pg_last_wal_receive_lsn",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name:       "pg_last_wal_replay_lsn",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name:       "pg_last_xact_replay_timestamp",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name:       "pg_listening_channels",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name:       "pg_logdir_ls",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "pg_logical_emit_message",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name: "pg_logical_emit_message",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name: "pg_ls_dir",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_ls_dir",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_lsn_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "pg_lsn_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_lsn_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_lsn_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_lsn_hash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "pg_lsn_hash_extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_lsn_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name: "pg_lsn_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_lsn_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_lsn_mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "pg_lsn_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_lsn_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "pg_lsn_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pg_mcv_list_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "pg_mcv_list"},
+		},
+		{
+			Name: "pg_mcv_list_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_mcv_list"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "pg_mcv_list_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_mcv_list"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name:       "pg_my_temp_schema",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "pg_ndistinct_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "pg_ndistinct"},
+		},
+		{
+			Name: "pg_ndistinct_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_ndistinct"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "pg_ndistinct_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_ndistinct"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pg_nextoid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "pg_node_tree_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "pg_node_tree"},
+		},
+		{
+			Name: "pg_node_tree_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_node_tree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "pg_node_tree_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_node_tree"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name:       "pg_notification_queue_usage",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "pg_notify",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_opclass_is_visible",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_operator_is_visible",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_opfamily_is_visible",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_partition_root",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regclass"},
+		},
+		{
+			Name:       "pg_postmaster_start_time",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "pg_promote",
+			Args: []*catalog.Argument{
+				{
+					Name:       "wait",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name:       "wait_seconds",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_read_binary_file",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pg_read_binary_file",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pg_read_binary_file",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "pg_read_file",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_read_file",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_read_file",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_read_file_old",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_relation_filenode",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "pg_relation_filepath",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_relation_is_publishable",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_relation_is_updatable",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "pg_relation_size",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_relation_size",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_reload_conf",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_replication_origin_advance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_replication_origin_create",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "pg_replication_origin_drop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_replication_origin_oid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "pg_replication_origin_progress",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name:       "pg_replication_origin_session_is_setup",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_replication_origin_session_progress",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name:       "pg_replication_origin_session_reset",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_replication_origin_session_setup",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name:       "pg_replication_origin_xact_reset",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_replication_origin_xact_setup",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name:       "pg_rotate_logfile",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name:       "pg_rotate_logfile_old",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_safe_snapshot_blocking_pids",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer[]"},
+		},
+		{
+			Name: "pg_sequence_last_value",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_size_bytes",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_size_pretty",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_size_pretty",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_sleep",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_sleep_for",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_sleep_until",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_start_backup",
+			Args: []*catalog.Argument{
+				{
+					Name: "label",
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Name:       "fast",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name:       "exclusive",
+					HasDefault: true,
+					Type:       &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name:       "pg_stat_clear_snapshot",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_stat_get_analyze_count",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_autoanalyze_count",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_autovacuum_count",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_backend_activity",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_stat_get_backend_activity_start",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "pg_stat_get_backend_client_addr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "pg_stat_get_backend_client_port",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "pg_stat_get_backend_dbid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name:       "pg_stat_get_backend_idset",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "pg_stat_get_backend_pid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "pg_stat_get_backend_start",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "pg_stat_get_backend_userid",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "pg_stat_get_backend_wait_event",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_stat_get_backend_wait_event_type",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_stat_get_backend_xact_start",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name:       "pg_stat_get_bgwriter_buf_written_checkpoints",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_stat_get_bgwriter_buf_written_clean",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_stat_get_bgwriter_maxwritten_clean",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_stat_get_bgwriter_requested_checkpoints",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_stat_get_bgwriter_stat_reset_time",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name:       "pg_stat_get_bgwriter_timed_checkpoints",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_blocks_fetched",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_blocks_hit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_stat_get_buf_alloc",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_stat_get_buf_fsync_backend",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_stat_get_buf_written_backend",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_stat_get_checkpoint_sync_time",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name:       "pg_stat_get_checkpoint_write_time",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "pg_stat_get_db_blk_read_time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "pg_stat_get_db_blk_write_time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "pg_stat_get_db_blocks_fetched",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_blocks_hit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_checksum_failures",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_checksum_last_failure",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "pg_stat_get_db_conflict_all",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_conflict_bufferpin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_conflict_lock",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_conflict_snapshot",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_conflict_startup_deadlock",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_conflict_tablespace",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_deadlocks",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_numbackends",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "pg_stat_get_db_stat_reset_time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "pg_stat_get_db_temp_bytes",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_temp_files",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_tuples_deleted",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_tuples_fetched",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_tuples_inserted",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_tuples_returned",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_tuples_updated",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_xact_commit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_db_xact_rollback",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_dead_tuples",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_function_calls",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_function_self_time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "pg_stat_get_function_total_time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "pg_stat_get_last_analyze_time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "pg_stat_get_last_autoanalyze_time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "pg_stat_get_last_autovacuum_time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "pg_stat_get_last_vacuum_time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "pg_stat_get_live_tuples",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_mod_since_analyze",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_numscans",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_stat_get_snapshot_timestamp",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "pg_stat_get_tuples_deleted",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_tuples_fetched",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_tuples_hot_updated",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_tuples_inserted",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_tuples_returned",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_tuples_updated",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_vacuum_count",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_xact_blocks_fetched",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_xact_blocks_hit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_xact_function_calls",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_xact_function_self_time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "pg_stat_get_xact_function_total_time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "pg_stat_get_xact_numscans",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_xact_tuples_deleted",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_xact_tuples_fetched",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_xact_tuples_hot_updated",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_xact_tuples_inserted",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_xact_tuples_returned",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_stat_get_xact_tuples_updated",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_stat_reset",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_stat_reset_shared",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_stat_reset_single_function_counters",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_stat_reset_single_table_counters",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_statistics_obj_is_visible",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name:       "pg_stop_backup",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name:       "pg_switch_wal",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "pg_lsn"},
+		},
+		{
+			Name: "pg_table_is_visible",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_table_size",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_tablespace_databases",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "oid"},
+		},
+		{
+			Name: "pg_tablespace_location",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_tablespace_size",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_tablespace_size",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "pg_terminate_backend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_total_relation_size",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "pg_trigger_depth",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "pg_try_advisory_lock",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_try_advisory_lock",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_try_advisory_lock_shared",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_try_advisory_lock_shared",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_try_advisory_xact_lock",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_try_advisory_xact_lock",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_try_advisory_xact_lock_shared",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_try_advisory_xact_lock_shared",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_ts_config_is_visible",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_ts_dict_is_visible",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_ts_parser_is_visible",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_ts_template_is_visible",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_type_is_visible",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pg_typeof",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "any"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regtype"},
+		},
+		{
+			Name: "pg_wal_lsn_diff",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name:       "pg_wal_replay_pause",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name:       "pg_wal_replay_resume",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "pg_walfile_name",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "pg_lsn"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "pg_xact_commit_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "phraseto_tsquery",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "phraseto_tsquery",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name:       "pi",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "plainto_tsquery",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "plainto_tsquery",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name:       "plpgsql_call_handler",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "language_handler"},
+		},
+		{
+			Name: "plpgsql_validator",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "point",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "point",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "point",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "point",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "point",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "lseg"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "point",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "point_above",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "point_add",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "point_below",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "point_distance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "point_div",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "point_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "point_horiz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "point_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "point_left",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "point_mul",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "point_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "point_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "point_right",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "point_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "point_sub",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "point_vert",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_above",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_below",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_center",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "point"},
+		},
+		{
+			Name: "poly_contain",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_contain_pt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_contained",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_distance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "poly_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "polygon"},
+		},
+		{
+			Name: "poly_left",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_npoints",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "poly_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "poly_overabove",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_overbelow",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_overlap",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_overleft",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_overright",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_right",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_same",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "poly_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "polygon",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "polygon"},
+		},
+		{
+			Name: "polygon",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "polygon"},
+		},
+		{
+			Name: "polygon",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "polygon"},
+		},
+		{
+			Name: "polygon",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "polygon"},
+		},
+		{
+			Name: "popen",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "path"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "path"},
+		},
+		{
+			Name: "position",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "position",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "position",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "postgresql_fdw_validator",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pow",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "pow",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "power",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "power",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "pt_contained_circle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "pt_contained_poly",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "query_to_xml",
+			Args: []*catalog.Argument{
+				{
+					Name: "query",
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "query_to_xml_and_xmlschema",
+			Args: []*catalog.Argument{
+				{
+					Name: "query",
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "query_to_xmlschema",
+			Args: []*catalog.Argument{
+				{
+					Name: "query",
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "querytree",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "quote_ident",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "quote_literal",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "quote_literal",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "quote_nullable",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "quote_nullable",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "radians",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "radius",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "circle"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name:       "random",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "range_adjacent",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_after",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_before",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "range_contained_by",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_contains",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_contains_elem",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyrange"},
+		},
+		{
+			Name: "range_intersect",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyrange"},
+		},
+		{
+			Name: "range_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_merge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyrange"},
+		},
+		{
+			Name: "range_minus",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyrange"},
+		},
+		{
+			Name: "range_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "range_overlaps",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_overleft",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_overright",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "range_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "range_union",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyrange"},
+		},
+		{
+			Name:       "rank",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "record_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "record_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "record_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "record_image_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "record_image_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "record_image_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "record_image_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "record_image_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "record_image_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "record_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "record"},
+		},
+		{
+			Name: "record_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "record_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "record_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "record_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "record_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "regclass",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regclass"},
+		},
+		{
+			Name: "regclassin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regclass"},
+		},
+		{
+			Name: "regclassout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "regclasssend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "regconfigin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regconfig"},
+		},
+		{
+			Name: "regconfigout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "regconfigsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "regdictionaryin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regdictionary"},
+		},
+		{
+			Name: "regdictionaryout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regdictionary"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "regdictionarysend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regdictionary"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "regexp_match",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "regexp_match",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "regexp_matches",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "regexp_matches",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "regexp_replace",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "regexp_replace",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "regexp_split_to_array",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "regexp_split_to_array",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "regexp_split_to_table",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "regexp_split_to_table",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "regnamespacein",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regnamespace"},
+		},
+		{
+			Name: "regnamespaceout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regnamespace"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "regnamespacesend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regnamespace"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "regoperatorin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regoperator"},
+		},
+		{
+			Name: "regoperatorout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regoperator"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "regoperatorsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regoperator"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "regoperin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regoper"},
+		},
+		{
+			Name: "regoperout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regoper"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "regopersend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regoper"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "regprocedurein",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regprocedure"},
+		},
+		{
+			Name: "regprocedureout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regprocedure"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "regproceduresend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regprocedure"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "regprocin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regproc"},
+		},
+		{
+			Name: "regprocout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regproc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "regprocsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regproc"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "regr_avgx",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "regr_avgy",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "regr_count",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "regr_intercept",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "regr_r2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "regr_slope",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "regr_sxx",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "regr_sxy",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "regr_syy",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "regrolein",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regrole"},
+		},
+		{
+			Name: "regroleout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regrole"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "regrolesend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regrole"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "regtypein",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regtype"},
+		},
+		{
+			Name: "regtypeout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regtype"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "regtypesend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regtype"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "repeat",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "replace",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "reverse",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "right",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "round",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "round",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "round",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name:       "row_number",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "row_security_active",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "row_security_active",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "row_to_json",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "row_to_json",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "record"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "rpad",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "rpad",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "rtrim",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "rtrim",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "scale",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "schema_to_xml",
+			Args: []*catalog.Argument{
+				{
+					Name: "schema",
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "schema_to_xml_and_xmlschema",
+			Args: []*catalog.Argument{
+				{
+					Name: "schema",
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "schema_to_xmlschema",
+			Args: []*catalog.Argument{
+				{
+					Name: "schema",
+					Type: &ast.TypeName{Name: "name"},
+				},
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name:       "session_user",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "name"},
+		},
+		{
+			Name: "set_bit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "set_bit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "set_byte",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "set_config",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "set_masklen",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cidr"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cidr"},
+		},
+		{
+			Name: "set_masklen",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "inet"},
+		},
+		{
+			Name: "setseed",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "setval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "setval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "setweight",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "setweight",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "sha224",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "sha256",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "sha384",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "sha512",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "shell_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "opaque"},
+		},
+		{
+			Name: "shell_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "opaque"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "shobj_description",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "sign",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "sign",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "similar_escape",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "sin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "sind",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "sinh",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "slope",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+				{
+					Type: &ast.TypeName{Name: "point"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "spg_poly_quad_compress",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "polygon"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "box"},
+		},
+		{
+			Name: "split_part",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "sqrt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "sqrt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "starts_with",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name:       "statement_timestamp",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "stddev",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "stddev",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "stddev",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "stddev",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "stddev",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "stddev",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "stddev_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "stddev_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "stddev_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "stddev_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "stddev_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "stddev_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "stddev_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "stddev_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "stddev_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "stddev_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "stddev_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "stddev_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "string_agg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "string_agg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "string_to_array",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "string_to_array",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "strip",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "strpos",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "substr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "substr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "substr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "substr",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "substring",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "substring",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "substring",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "substring",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bytea"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "substring",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "substring",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "substring",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "substring",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit"},
+		},
+		{
+			Name: "sum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "sum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "sum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "sum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "money"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "money"},
+		},
+		{
+			Name: "sum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "sum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "sum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "sum",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name:       "suppress_redundant_updates_trigger",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name: "table_am_handler_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "table_am_handler"},
+		},
+		{
+			Name: "table_am_handler_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "table_am_handler"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "table_to_xml",
+			Args: []*catalog.Argument{
+				{
+					Name: "tbl",
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "table_to_xml_and_xmlschema",
+			Args: []*catalog.Argument{
+				{
+					Name: "tbl",
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "table_to_xmlschema",
+			Args: []*catalog.Argument{
+				{
+					Name: "tbl",
+					Type: &ast.TypeName{Name: "regclass"},
+				},
+				{
+					Name: "nulls",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "tableforest",
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+				{
+					Name: "targetns",
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "tan",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "tand",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "tanh",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "text",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "text",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "text",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xml"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "text",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "char"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "text",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "text",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "inet"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "text_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "text_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "text_larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "text_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "text_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "text_pattern_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "text_pattern_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "text_pattern_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "text_pattern_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "text_smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "textanycat",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anynonarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "textcat",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "texteq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "texteqname",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "textgename",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "textgtname",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "texticlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "texticnlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "texticregexeq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "texticregexne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "textin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "textlen",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "textlename",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "textlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "textltname",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "textne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "textnename",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "textnlike",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "textout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "textregexeq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "textregexne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "textsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "tideq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tidge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tidgt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tidin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tid"},
+		},
+		{
+			Name: "tidlarger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tid"},
+		},
+		{
+			Name: "tidle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tidlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tidne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tidout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "tidsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "tidsmaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tid"},
+		},
+		{
+			Name: "time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "time_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "time_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "time_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "time_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "time_hash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "time_hash_extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "time_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "time_larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "time_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "time_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "time_mi_interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "time_mi_time",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "time_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "time_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "time_pl_interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "time_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "time_smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time without time zone"},
+		},
+		{
+			Name: "timedate_pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name:       "timeofday",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "timestamp_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "timestamp_cmp_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "timestamp_cmp_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "timestamp_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_eq_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_eq_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_ge_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_ge_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_gt_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_gt_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_hash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "timestamp_hash_extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "timestamp_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "timestamp_larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "timestamp_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_le_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_le_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_lt_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_lt_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "timestamp_mi_interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "timestamp_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_ne_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_ne_timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamp_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "timestamp_pl_interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "timestamp_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "timestamp_smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "timestamptypmodin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "timestamptypmodout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "timestamptz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "timestamptz_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "timestamptz_cmp_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "timestamptz_cmp_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "timestamptz_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_eq_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_eq_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_ge_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_ge_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_gt_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_gt_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "timestamptz_larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "timestamptz_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_le_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_le_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_lt_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_lt_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_mi",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "interval"},
+		},
+		{
+			Name: "timestamptz_mi_interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "timestamptz_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_ne_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_ne_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timestamptz_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "timestamptz_pl_interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "timestamptz_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "timestamptz_smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "timestamptztypmodin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "timestamptztypmodout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "timetypmodin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "timetypmodout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "timetz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time with time zone"},
+		},
+		{
+			Name: "timetz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time with time zone"},
+		},
+		{
+			Name: "timetz",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time with time zone"},
+		},
+		{
+			Name: "timetz_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "timetz_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timetz_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timetz_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timetz_hash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "timetz_hash_extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "timetz_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time with time zone"},
+		},
+		{
+			Name: "timetz_larger",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time with time zone"},
+		},
+		{
+			Name: "timetz_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timetz_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timetz_mi_interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time with time zone"},
+		},
+		{
+			Name: "timetz_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "timetz_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "timetz_pl_interval",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time with time zone"},
+		},
+		{
+			Name: "timetz_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "timetz_smaller",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time with time zone"},
+		},
+		{
+			Name: "timetzdate_pl",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "date"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "timetztypmodin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "timetztypmodout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "timezone",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "timezone",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "timezone",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp without time zone"},
+		},
+		{
+			Name: "timezone",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "timezone",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time with time zone"},
+		},
+		{
+			Name: "timezone",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "time with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "time with time zone"},
+		},
+		{
+			Name: "to_ascii",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "to_ascii",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "to_ascii",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "to_char",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "to_char",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "to_char",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "to_char",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "to_char",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "interval"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "to_char",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "to_char",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "to_char",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "to_date",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "date"},
+		},
+		{
+			Name: "to_hex",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "to_hex",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "to_json",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "to_jsonb",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "to_number",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "to_regclass",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regclass"},
+		},
+		{
+			Name: "to_regnamespace",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regnamespace"},
+		},
+		{
+			Name: "to_regoper",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regoper"},
+		},
+		{
+			Name: "to_regoperator",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regoperator"},
+		},
+		{
+			Name: "to_regproc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regproc"},
+		},
+		{
+			Name: "to_regprocedure",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regprocedure"},
+		},
+		{
+			Name: "to_regrole",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regrole"},
+		},
+		{
+			Name: "to_regtype",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "regtype"},
+		},
+		{
+			Name: "to_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "to_timestamp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "to_tsquery",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "to_tsquery",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "to_tsvector",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "to_tsvector",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "to_tsvector",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "to_tsvector",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "to_tsvector",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "to_tsvector",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name:       "transaction_timestamp",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "timestamp with time zone"},
+		},
+		{
+			Name: "translate",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "trigger_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name: "trigger_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "trigger"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "trunc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "trunc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "macaddr"},
+		},
+		{
+			Name: "trunc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "macaddr8"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "macaddr8"},
+		},
+		{
+			Name: "trunc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "trunc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "ts_delete",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "ts_delete",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "ts_filter",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "char[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "ts_headline",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "ts_headline",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "ts_headline",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "ts_headline",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "ts_headline",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "ts_headline",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "ts_headline",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "ts_headline",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "json"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "json"},
+		},
+		{
+			Name: "ts_headline",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "ts_headline",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "ts_headline",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "jsonb"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "jsonb"},
+		},
+		{
+			Name: "ts_headline",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "ts_lexize",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regdictionary"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name: "ts_match_qv",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ts_match_tq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ts_match_tt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ts_match_vq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "ts_rank",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "ts_rank",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "ts_rank",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "ts_rank",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "ts_rank_cd",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "ts_rank_cd",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "ts_rank_cd",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "ts_rank_cd",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real[]"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "real"},
+		},
+		{
+			Name: "ts_rewrite",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "ts_rewrite",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "tsm_handler_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsm_handler"},
+		},
+		{
+			Name: "tsm_handler_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsm_handler"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "tsq_mcontained",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsq_mcontains",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsquery_and",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "tsquery_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "tsquery_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsquery_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsquery_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsquery_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsquery_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsquery_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsquery_not",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "tsquery_or",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "tsquery_phrase",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "tsquery_phrase",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "tsqueryin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "tsqueryout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "tsquerysend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsquery"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "tsrange",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsrange"},
+		},
+		{
+			Name: "tsrange",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsrange"},
+		},
+		{
+			Name: "tsrange_subdiff",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp without time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "tstzrange",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tstzrange"},
+		},
+		{
+			Name: "tstzrange",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tstzrange"},
+		},
+		{
+			Name: "tstzrange_subdiff",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+				{
+					Type: &ast.TypeName{Name: "timestamp with time zone"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "tsvector_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "tsvector_concat",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "tsvector_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsvector_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsvector_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsvector_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsvector_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsvector_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "tsvector_to_array",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text[]"},
+		},
+		{
+			Name:       "tsvector_update_trigger",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name:       "tsvector_update_trigger_column",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name: "tsvectorin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsvector"},
+		},
+		{
+			Name: "tsvectorout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "tsvectorsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "tsvector"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name:       "txid_current",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "txid_current_if_assigned",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name:       "txid_current_snapshot",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "txid_snapshot"},
+		},
+		{
+			Name: "txid_snapshot_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "txid_snapshot"},
+		},
+		{
+			Name: "txid_snapshot_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "txid_snapshot"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "txid_snapshot_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "txid_snapshot"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "txid_snapshot_xip",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "txid_snapshot"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "txid_snapshot_xmax",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "txid_snapshot"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "txid_snapshot_xmin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "txid_snapshot"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "txid_status",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "txid_visible_in_snapshot",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+				{
+					Type: &ast.TypeName{Name: "txid_snapshot"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name:       "unique_key_recheck",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "trigger"},
+		},
+		{
+			Name: "unknownin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "unknown"},
+		},
+		{
+			Name: "unknownout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "unknown"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "unknownsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "unknown"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "unnest",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "upper",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "upper",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "anyelement"},
+		},
+		{
+			Name: "upper_inc",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "upper_inf",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyrange"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "uuid_cmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "uuid_eq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "uuid_ge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "uuid_gt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "uuid_hash",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "uuid_hash_extended",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bigint"},
+		},
+		{
+			Name: "uuid_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "uuid"},
+		},
+		{
+			Name: "uuid_le",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "uuid_lt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "uuid_ne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "uuid_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "uuid_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "uuid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "var_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "var_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "var_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "var_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "var_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "var_pop",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "var_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "var_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "var_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "var_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "var_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "var_samp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "varbit",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit varying"},
+		},
+		{
+			Name: "varbit_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bit varying"},
+		},
+		{
+			Name: "varbit_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "varbit_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "varbitcmp",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "varbiteq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "varbitge",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "varbitgt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "varbitle",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "varbitlt",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "varbitne",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+				{
+					Type: &ast.TypeName{Name: "bit varying"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "varbittypmodin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "varbittypmodout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "varchar",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "name"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "character varying"},
+		},
+		{
+			Name: "varchar",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character varying"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+				{
+					Type: &ast.TypeName{Name: "boolean"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "character varying"},
+		},
+		{
+			Name: "varcharin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+				{
+					Type: &ast.TypeName{Name: "oid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "character varying"},
+		},
+		{
+			Name: "varcharout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character varying"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "varcharsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "character varying"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "varchartypmodin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "varchartypmodout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "variance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "variance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "bigint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "variance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "variance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "smallint"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "numeric"},
+		},
+		{
+			Name: "variance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "real"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "variance",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name:       "version",
+			Args:       []*catalog.Argument{},
+			ReturnType: &ast.TypeName{Name: "text"},
+		},
+		{
+			Name: "void_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "void"},
+		},
+		{
+			Name: "void_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "void"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "void_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "void"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "websearch_to_tsquery",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "websearch_to_tsquery",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "regconfig"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "tsquery"},
+		},
+		{
+			Name: "width",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "box"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "double precision"},
+		},
+		{
+			Name: "width_bucket",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "double precision"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "width_bucket",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "numeric"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "width_bucket",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "anyelement"},
+				},
+				{
+					Type: &ast.TypeName{Name: "anyarray"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "integer"},
+		},
+		{
+			Name: "xideq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "xid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "xideqint4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "xidin",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xid"},
+		},
+		{
+			Name: "xidneq",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "xid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "xidneqint4",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xid"},
+				},
+				{
+					Type: &ast.TypeName{Name: "integer"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "xidout",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "xidsend",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xid"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "xml",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "xml_in",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "cstring"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "xml_is_well_formed",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "xml_is_well_formed_content",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "xml_is_well_formed_document",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "xml_out",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xml"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "cstring"},
+		},
+		{
+			Name: "xml_send",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xml"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "bytea"},
+		},
+		{
+			Name: "xmlagg",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xml"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "xmlcomment",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "xmlconcat2",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xml"},
+				},
+				{
+					Type: &ast.TypeName{Name: "xml"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml"},
+		},
+		{
+			Name: "xmlexists",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "xml"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "xmlvalidate",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "xml"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "xpath",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "xml"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml[]"},
+		},
+		{
+			Name: "xpath",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "xml"},
+				},
+				{
+					Type: &ast.TypeName{Name: "text[]"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "xml[]"},
+		},
+		{
+			Name: "xpath_exists",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "xml"},
+				},
+			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
+		},
+		{
+			Name: "xpath_exists",
+			Args: []*catalog.Argument{
+				{
+					Type: &ast.TypeName{Name: "text"},
+				},
+				{
+					Type: &ast.TypeName{Name: "xml"},
 				},
 				{
-					Name: "key1",
-					Type: &ast.TypeName{Name: "int"},
+					Type: &ast.TypeName{Name: "text[]"},
 				},
 			},
+			ReturnType: &ast.TypeName{Name: "boolean"},
 		},
 	}
 	return s