Thanks Michael! Guess I should have drunk more coffee before replying. I must have miss that. -----Original Message----- From: Michael Fuhr [mailto:mike@xxxxxxxx] Sent: Sunday, December 11, 2005 11:22 AM To: Douglas McNaught Cc: Foster, Stephen; pgsql-general@xxxxxxxxxxxxxx; pgsql-sql@xxxxxxxxxxxxxx Subject: Re: [SQL] [GENERAL] Looking for information on PostgreSQL Stored Procedures On Sun, Dec 11, 2005 at 11:38:47AM -0500, Douglas McNaught wrote: > "Foster, Stephen" <stephenlfoster@xxxxxxxxxxx> writes: > > > WHILE (--Lost on variable name for end of query; EmptyQueryResponse <> > > 0? --) > > BEGIN > > IF LastName = fname THEN > > DELETE FROM MailingList WHERE id = id; > > END IF; > > LastName := fname; > > FETCH NEXT FROM NewListCursor INTO fname, id; > > END; > > CLOSE NewListCursor; > > $BODY$ > > LANGUAGE 'sql' VOLATILE; > > You can't do any looping or other control structures in an SQL > function. Use PL/pgSQL instead. And as I mentioned in my previous post, you can loop through query results without messing around with an explicit cursor. CREATE FUNCTION testfunc() RETURNS void AS $$ DECLARE row record; BEGIN FOR row IN SELECT * FROM tablename ORDER BY whatever LOOP -- do stuff that refers to row.column_name END LOOP; RETURN; END; $$ LANGUAGE plpgsql; -- Michael Fuhr -- No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.1.371 / Virus Database: 267.13.13/197 - Release Date: 12/9/2005 -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.371 / Virus Database: 267.13.13/197 - Release Date: 12/9/2005
