INSERT INTO table DEFAULT VALUES does not work properly for domain types (#625)

Fix the cook default function behavior by setting function return type.
Babelfish side PR: babelfish-for-postgresql/babelfish_extensions#4130

Issues Resolved: babelfish-for-postgresql/babelfish_extensions#4069
Signed-off-by: Bilal Kahraman <kahramannbilal@gmail.com>

Author: bilalkah

src/backend/catalog/heap.c

@@ -66,6 +66,7 @@
 #include "parser/parse_collate.h"
 #include "parser/parse_expr.h"
 #include "parser/parse_relation.h"
+#include "parser/parse_target.h"
 #include "parser/parsetree.h"
 #include "partitioning/partdesc.h"
 #include "pgstat.h"
@@ -3514,6 +3515,9 @@ cookDefault(ParseState *pstate,
 							format_type_be(atttypid),
 							format_type_be(type_id)),
 					 errhint("You will need to rewrite or cast the expression.")));
+
+		if (handle_type_and_collation_hook)
+			handle_type_and_collation_hook(expr, atttypid, InvalidOid);
 	}
 
 	/*