make it works with v17master

Author: feodor

hstore_ops--1.0--1.1.sql

@@ -11,7 +11,7 @@ AS
 	OPERATOR        10      ?|(hstore,text[]),
 	OPERATOR        11      ?&(hstore,text[]),
 	FUNCTION        1       byteacmp(bytea,bytea),
-	FUNCTION        2       gin_extract_hstore(internal, internal),
-	FUNCTION        3       gin_extract_hstore_query(internal, internal, int2, internal, internal),
-	FUNCTION        4       gin_consistent_hstore(internal, int2, internal, int4, internal, internal),
+	FUNCTION        2       gin_extract_hstore(hstore, internal),
+	FUNCTION        3       gin_extract_hstore_query(hstore, internal, int2, internal, internal),
+	FUNCTION        4       gin_consistent_hstore(internal, int2, hstore, int4, internal, internal),
 	STORAGE         bytea;

hstore_ops--1.1.sql

@@ -50,7 +50,7 @@ AS
 	OPERATOR        10      ?|(hstore,text[]),
 	OPERATOR        11      ?&(hstore,text[]),
 	FUNCTION        1       byteacmp(bytea,bytea),
-	FUNCTION        2       gin_extract_hstore(internal, internal),
-	FUNCTION        3       gin_extract_hstore_query(internal, internal, int2, internal, internal),
-	FUNCTION        4       gin_consistent_hstore(internal, int2, internal, int4, internal, internal),
+	FUNCTION        2       gin_extract_hstore(hstore, internal),
+	FUNCTION        3       gin_extract_hstore_query(hstore, internal, int2, internal, internal),
+	FUNCTION        4       gin_consistent_hstore(internal, int2, hstore, int4, internal, internal),
 	STORAGE         bytea;

hstore_ops.c

@@ -19,6 +19,9 @@
 #include "access/gin.h"
 #include "access/skey.h"
 #include "catalog/pg_type.h"
+#if PG_VERSION_NUM >= 130000
+#include "common/hashfn.h"
+#endif
 #include "utils/hsearch.h"
 
 #include "hstore.h"