1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/regress/sql/rangefuncs.sql b/src/test/regress/sql/rangefuncs.sql
index d780c6cd3eb..c813a306436 100644
--- a/src/test/regress/sql/rangefuncs.sql
+++ b/src/test/regress/sql/rangefuncs.sql
@@ -423,3 +423,22 @@ select foobar();
 select * from foobar();
 
 drop function foobar();
+
+-- check handling of a SQL function with multiple OUT params (bug #5777)
+
+create or replace function foobar(out integer, out numeric) as
+$$ select (1, 2.1) $$ language sql;
+
+select * from foobar();
+
+create or replace function foobar(out integer, out numeric) as
+$$ select (1, 2) $$ language sql;
+
+select * from foobar();  -- fail
+
+create or replace function foobar(out integer, out numeric) as
+$$ select (1, 2.1, 3) $$ language sql;
+
+select * from foobar();  -- fail
+
+drop function foobar();