Matthias,
> I don't understand why this function ist refused by postgresql with an parse
error at the first $1 as ist every
> other method I tryed to get postgres making an "alter group" with a
variable. I'd be very happy if someone
> could help...
You can't substitute variables for object names. If you need to construct
dynamic query strings, use PL/pgSQL and EXECUTE:
sql_qry := ''ALTER GROUP '' || $group || '' ADD USER '' || $user;
EXECUTE sql_query;
--
-Josh Berkus
Aglio Database Solutions
San Francisco