Re: trouble with setof record return
От | brian |
---|---|
Тема | Re: trouble with setof record return |
Дата | |
Msg-id | 452548D1.6010408@zijn-digital.com обсуждение исходный текст |
Ответ на | Re: trouble with setof record return ("A. Kretschmer" <andreas.kretschmer@schollglas.com>) |
Список | pgsql-general |
A. Kretschmer wrote: > am Thu, dem 05.10.2006, um 13:17:41 -0400 mailte brian folgendes: > >> Can anybody spot the problem with this function? Or, how i'm >> calling it? (it's not clear to me which it is) >> >> CREATE TABLE member ( ... first_name character varying(64), >> last_name character varying(64), organisation character >> varying(128), email character varying(128), ... ); >> >> > > > first error: > > >> CREATE OR REPLACE FUNCTION fetcOnlineContacts() RETURNS SETOF >> record > > ^^^^^^^^^^^^^^^^^^ > >> test=# SELECT * FROM fetchOnlineContacts() AS (name text, >> organisation > > ^^^^^^^^^^^^^^^^^^^ > > fetcOnlineContacts != fetchOnlineContacts > Yes, typo in email. > But, this isn't the problem, i get the same error. And, i have a > solution for you: > > CREATE OR REPLACE FUNCTION fetcOnlineContacts(OUT name text, out > organisation text, out email text) RETURNS SETOF record AS $$ > > DECLARE > > member_contact record; > > BEGIN > > FOR member_contact IN EXECUTE 'SELECT DISTINCT ON (m.email) > m.first_name || '' '' || m.last_name AS name, m.organisation, m.email > AS address FROM member AS m WHERE m.email IS NOT NULL ORDER BY > m.email, m.last_name, m.organisation ASC' LOOP name := > member_contact.name; organisation := member_contact.organisation; > email := member_contact.address; RETURN NEXT; END LOOP; > > RETURN; > > END; $$ LANGUAGE plpgsql IMMUTABLE; > > > I hope, you have PG 8.1, this (with the OUT-parameter), is a feature > since 8.1. > > Perhaps, there are other solutions... > > Andreas Indeed. Thanks, Andreas, Bricklen, & Joe, for the quick response. I'm going to go with this one, i think. b
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