...VALUES (1, 2, 'Ed');
INSERT INTO _testdbf VALUES (2, 1, 'Mary');
CREATE FUNCTION _test(int,int,int,int) RETURNS SETOF _testdbf AS $$
SELECT * FROM _testdbf;
$$ LANGUAGE SQL;
Runs at pgAdmin3 correct.
Run under application and get a message:
relation "test" does not exist
STATEMENT...