Defend against possible crash if a plpython function does not specify names

for its arguments.  Also add a regression test, since someone apparently
changed every single plpython test case to use only named parameters; else
we'd have noticed this sooner.

Euler Taveira de Oliveira, per a report from Alvaro

1 files changed, 2 insertions, 1 deletions

diff --git a/src/pl/plpython/sql/plpython_test.sql b/src/pl/plpython/sql/plpython_test.sql
index f7321ab9e00..633d940e5d4 100644
--- a/src/pl/plpython/sql/plpython_test.sql
+++ b/src/pl/plpython/sql/plpython_test.sql
@@ -74,7 +74,8 @@ SELECT test_void_func1(), test_void_func1() IS NULL AS "is null";
 SELECT test_void_func2(); -- should fail
 SELECT test_return_none(), test_return_none() IS NULL AS "is null";
 
--- Test for functions with named parameters
+-- Test for functions with named and nameless parameters
+SELECT test_param_names0(2,7);
 SELECT test_param_names1(1,'text');
 SELECT test_param_names2(users) from users;
 SELECT test_param_names3(1);