3 files changed, 5 insertions, 1 deletions
diff --git a/src/test/regress/expected/alter_table.out b/src/test/regress/expected/alter_table.out
index e9925495042..4aba58c4503 100644
--- a/src/test/regress/expected/alter_table.out
+++ b/src/test/regress/expected/alter_table.out
@@ -7,6 +7,8 @@ COMMENT ON TABLE tmp_wrong IS 'table comment';
 ERROR:  relation "tmp_wrong" does not exist
 COMMENT ON TABLE tmp IS 'table comment';
 COMMENT ON TABLE tmp IS NULL;
+ALTER TABLE tmp ADD COLUMN xmin integer; -- fails
+ERROR:  column name "xmin" conflicts with a system column name
 ALTER TABLE tmp ADD COLUMN a int4 default 3;
 ALTER TABLE tmp ADD COLUMN b name;
 ALTER TABLE tmp ADD COLUMN c text;
diff --git a/src/test/regress/expected/errors.out b/src/test/regress/expected/errors.out
index 4a10c6ae8a0..fa0bd82819a 100644
--- a/src/test/regress/expected/errors.out
+++ b/src/test/regress/expected/errors.out
@@ -109,7 +109,7 @@ alter table emp rename column salary to manager;
 ERROR:  column "manager" of relation "stud_emp" already exists
 -- conflict
 alter table emp rename column salary to oid;
-ERROR:  column "oid" of relation "stud_emp" already exists
+ERROR:  column name "oid" conflicts with a system column name
 --
 -- TRANSACTION STUFF
 -- not in a xact
diff --git a/src/test/regress/sql/alter_table.sql b/src/test/regress/sql/alter_table.sql
index d9bf08d6d50..d4e4c4958d1 100644
--- a/src/test/regress/sql/alter_table.sql
+++ b/src/test/regress/sql/alter_table.sql
@@ -9,6 +9,8 @@ COMMENT ON TABLE tmp_wrong IS 'table comment';
 COMMENT ON TABLE tmp IS 'table comment';
 COMMENT ON TABLE tmp IS NULL;
 
+ALTER TABLE tmp ADD COLUMN xmin integer; -- fails
+
 ALTER TABLE tmp ADD COLUMN a int4 default 3;
 
 ALTER TABLE tmp ADD COLUMN b name;