1 files changed, 15 insertions, 1 deletions
diff --git a/contrib/jsonb_plperl/sql/jsonb_plperl.sql b/contrib/jsonb_plperl/sql/jsonb_plperl.sql
index 2c779fcd087..9993132ef0d 100644
--- a/contrib/jsonb_plperl/sql/jsonb_plperl.sql
+++ b/contrib/jsonb_plperl/sql/jsonb_plperl.sql
@@ -34,16 +34,29 @@ $$;
 SELECT testSVToJsonb();
 
 
+-- unsupported (for now)
 CREATE FUNCTION testRegexpToJsonb() RETURNS jsonb
 LANGUAGE plperl
 TRANSFORM FOR TYPE jsonb
 AS $$
-return ('1' =~ m(0\t2));
+my $a = qr/foo/;
+return ($a);
 $$;
 
 SELECT testRegexpToJsonb();
 
 
+-- this revealed a bug in the original implementation
+CREATE FUNCTION testRegexpResultToJsonb() RETURNS jsonb
+LANGUAGE plperl
+TRANSFORM FOR TYPE jsonb
+AS $$
+return ('1' =~ m(0\t2));
+$$;
+
+SELECT testRegexpResultToJsonb();
+
+
 CREATE FUNCTION roundtrip(val jsonb) RETURNS jsonb
 LANGUAGE plperl
 TRANSFORM FOR TYPE jsonb
@@ -83,4 +96,5 @@ SELECT roundtrip('{"1": "string1"}');
 SELECT roundtrip('{"1": {"2": [3, 4, 5]}, "2": 3}');
 
 
+\set VERBOSITY terse \\ -- suppress cascade details
 DROP EXTENSION plperl CASCADE;