diff --git a/src/backend/commands/extension.c b/src/backend/commands/extension.c
index 33b0de0a76..4b923c205e 100644
--- a/src/backend/commands/extension.c
+++ b/src/backend/commands/extension.c
@@ -706,6 +706,9 @@ execute_sql_string(const char *sql, const char *filename)
 		List	   *stmt_list;
 		ListCell   *lc2;
 
+		/* Be sure parser can see any DDL done so far */
+		CommandCounterIncrement();
+
 		stmt_list = pg_analyze_and_rewrite(parsetree,
 										   sql,
 										   NULL,
diff --git a/src/test/modules/test_extensions/test_ext3--1.0.sql b/src/test/modules/test_extensions/test_ext3--1.0.sql
index 7dec684dcb..4fcb63d2bc 100644
--- a/src/test/modules/test_extensions/test_ext3--1.0.sql
+++ b/src/test/modules/test_extensions/test_ext3--1.0.sql
@@ -1,3 +1,9 @@
 /* src/test/modules/test_extensions/test_ext3--1.0.sql */
 -- complain if script is sourced in psql, rather than via CREATE EXTENSION
 \echo Use "CREATE EXTENSION test_ext3" to load this file. \quit
+
+CREATE TABLE test_ext3_table (col_old INT);
+
+ALTER TABLE test_ext3_table RENAME col_old TO col_new;
+
+UPDATE test_ext3_table SET col_new = 0;