Build sqlite3 with json1 extension

Author: TimZaman

tensorflow/core/lib/db/sqlite_test.cc

@@ -73,6 +73,19 @@ TEST_F(SqliteTest, InsertAndSelectDouble) {
   EXPECT_EQ(1, stmt.ColumnInt(1));
 }
 
+TEST_F(SqliteTest, Json1Extension) {
+  string s1 = "{\"key\": 42}";
+  string s2 = "{\"key\": \"value\"}";
+  auto stmt = db_->PrepareOrDie("INSERT INTO T (a, b) VALUES (?, ?)");
+  stmt.BindText(1, s1);
+  stmt.BindText(2, s2);
+  TF_ASSERT_OK(stmt.StepAndReset());
+  stmt = db_->PrepareOrDie("SELECT json_extract(a, '$.key'), json_extract(b, '$.key') FROM T");
+  TF_ASSERT_OK(stmt.Step(&is_done_));
+  EXPECT_EQ(42, stmt.ColumnInt(0));
+  EXPECT_EQ("value", stmt.ColumnString(1));
+}
+
 TEST_F(SqliteTest, NulCharsInString) {
   string s;  // XXX: Want to write {2, '\0'} but not sure why not.
   s.append(static_cast<size_t>(2), '\0');

third_party/sqlite.BUILD

@@ -5,6 +5,7 @@ licenses(["unencumbered"])  # Public Domain
 
 SQLITE_COPTS = [
     "-Os",
+    "-DSQLITE_ENABLE_JSON1",
     "-DHAVE_DECL_STRERROR_R=1",
     "-DHAVE_STDINT_H=1",
     "-DHAVE_INTTYPES_H=1",