On Mon, Apr 25, 2005 at 02:40:29PM -0500, Ruff, Jeffry C. SR. wrote: > > CREATE FUNCTION userinfo.group_list(text) RETURNS text AS' > DECLARE > rec RECORD; > string text := NULL; > BEGIN > FOR rec IN SELECT * FROM userinfo.userdb_groups WHERE username = $1 LOOP > string := string || rec.groupname || \',\'; The result of "NULL || anything" is NULL. Try initializing "string" to an empty string instead of NULL. In 7.4 and later you can use an array constructor and array_to_string(): SELECT array_to_string(array( SELECT groupname FROM userinfo.userdb_groups WHERE username = 'jruff' ), ','); -- Michael Fuhr http://www.fuhr.org/~mfuhr/ ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
