1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/regress/expected/triggers.out b/src/test/regress/expected/triggers.out
index 1b99dec27dc..99be9ac6e9e 100644
--- a/src/test/regress/expected/triggers.out
+++ b/src/test/regress/expected/triggers.out
@@ -119,6 +119,32 @@ SELECT trigger_name, event_manipulation, event_object_schema, event_object_table
 DROP TABLE pkeys;
 DROP TABLE fkeys;
 DROP TABLE fkeys2;
+-- Check behavior when trigger returns unmodified trigtuple
+create table trigtest (f1 int, f2 text);
+create trigger trigger_return_old
+	before insert or delete or update on trigtest
+	for each row execute procedure trigger_return_old();
+insert into trigtest values(1, 'foo');
+select * from trigtest;
+ f1 | f2  
+----+-----
+  1 | foo
+(1 row)
+
+update trigtest set f2 = f2 || 'bar';
+select * from trigtest;
+ f1 | f2  
+----+-----
+  1 | foo
+(1 row)
+
+delete from trigtest;
+select * from trigtest;
+ f1 | f2 
+----+----
+(0 rows)
+
+drop table trigtest;
 create sequence ttdummy_seq increment 10 start 0 minvalue 0;
 create table tttest (
 	price_id	int4,