2 files changed, 34 insertions, 0 deletions
diff --git a/src/test/regress/expected/subselect.out b/src/test/regress/expected/subselect.out
index 588d0695892..a288c6d33b8 100644
--- a/src/test/regress/expected/subselect.out
+++ b/src/test/regress/expected/subselect.out
@@ -746,6 +746,30 @@ select * from outer_7597 where (f1, f2) not in (select * from inner_7597);
 (2 rows)
 
 --
+-- Another test case for cross-type hashed subplans: comparison of
+-- inner-side values must be done with appropriate operator
+--
+explain (verbose, costs off)
+select 'foo'::text in (select 'bar'::name union all select 'bar'::name);
+             QUERY PLAN              
+-------------------------------------
+ Result
+   Output: (hashed SubPlan 1)
+   SubPlan 1
+     ->  Append
+           ->  Result
+                 Output: 'bar'::name
+           ->  Result
+                 Output: 'bar'::name
+(8 rows)
+
+select 'foo'::text in (select 'bar'::name union all select 'bar'::name);
+ ?column? 
+----------
+ f
+(1 row)
+
+--
 -- Test case for premature memory release during hashing of subplan output
 --
 select '1'::text in (select '1'::name union all select '1'::name);
diff --git a/src/test/regress/sql/subselect.sql b/src/test/regress/sql/subselect.sql
index 843f511b3dc..eafd927e828 100644
--- a/src/test/regress/sql/subselect.sql
+++ b/src/test/regress/sql/subselect.sql
@@ -436,6 +436,16 @@ insert into inner_7597 values(0, null);
 select * from outer_7597 where (f1, f2) not in (select * from inner_7597);
 
 --
+-- Another test case for cross-type hashed subplans: comparison of
+-- inner-side values must be done with appropriate operator
+--
+
+explain (verbose, costs off)
+select 'foo'::text in (select 'bar'::name union all select 'bar'::name);
+
+select 'foo'::text in (select 'bar'::name union all select 'bar'::name);
+
+--
 -- Test case for premature memory release during hashing of subplan output
 --