2 files changed, 31 insertions, 0 deletions
diff --git a/src/test/regress/expected/plancache.out b/src/test/regress/expected/plancache.out
index a96ba2a5da0..d7d7be92529 100644
--- a/src/test/regress/expected/plancache.out
+++ b/src/test/regress/expected/plancache.out
@@ -202,3 +202,20 @@ drop schema s1 cascade;
 NOTICE:  drop cascades to table s1.abc
 drop schema s2 cascade;
 NOTICE:  drop cascades to table abc
+-- Check that invalidation deals with regclass constants
+create temp sequence seq;
+prepare p2 as select nextval('seq');
+execute p2;
+ nextval 
+---------
+       1
+(1 row)
+
+drop sequence seq;
+create temp sequence seq;
+execute p2;
+ nextval 
+---------
+       1
+(1 row)
+
diff --git a/src/test/regress/sql/plancache.sql b/src/test/regress/sql/plancache.sql
index e285c071f6e..fc57279d985 100644
--- a/src/test/regress/sql/plancache.sql
+++ b/src/test/regress/sql/plancache.sql
@@ -123,3 +123,17 @@ execute p1;
 
 drop schema s1 cascade;
 drop schema s2 cascade;
+
+-- Check that invalidation deals with regclass constants
+
+create temp sequence seq;
+
+prepare p2 as select nextval('seq');
+
+execute p2;
+
+drop sequence seq;
+
+create temp sequence seq;
+
+execute p2;