Hi.
Bug or feature?
CREATE FUNCTION upd (text, text) RETURNS text AS '
BEGIN
RETURN $1;
END
' LANGUAGE 'plpgsql';
SELECT upd('aaa','bbb');
aaa
SELECT upd(null,'bbb');
<null>
All seems ok, but how about next ?
SELECT upd('aaa',null);
<null>
--
С уважением, Ващенко Максим,
Нижегородские информационные сети
(8312) 30-19-05, 34-00-02, 30-09-73
With best regards, Max Vaschenko,
Nizhny Novgorod Information Networks.