diff --git a/src/test/regress/sql/partition_prune.sql b/src/test/regress/sql/partition_prune.sql
index a5900e5..41f0b6f 100644
--- a/src/test/regress/sql/partition_prune.sql
+++ b/src/test/regress/sql/partition_prune.sql
@@ -202,8 +202,13 @@ CREATE TABLE part (a INT, b INT) PARTITION BY LIST (a);
 CREATE TABLE part_p1 PARTITION OF part FOR VALUES IN (-2,-1,0,1,2);
 CREATE TABLE part_p2 PARTITION OF part DEFAULT PARTITION BY RANGE(a);
 CREATE TABLE part_p2_p1 PARTITION OF part_p2 DEFAULT;
+CREATE TABLE part_rev (b INT, c INT, a INT);
+ALTER TABLE part ATTACH PARTITION part_rev FOR VALUES IN (3);  -- fail
+ALTER TABLE part_rev DROP COLUMN c;
+ALTER TABLE part ATTACH PARTITION part_rev FOR VALUES IN (3);  -- now it's ok
 INSERT INTO part VALUES (-1,-1), (1,1), (2,NULL), (NULL,-2),(NULL,NULL);
 EXPLAIN (COSTS OFF) SELECT tableoid::regclass as part, a, b FROM part WHERE a IS NULL ORDER BY 1, 2, 3;
+EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM part p(x) ORDER BY x;
 
 --
 -- some more cases