Received: from maia.hub.org (unknown [200.46.208.211])
	by mail.postgresql.org (Postfix) with ESMTP id 29A4B632315
	for <pgsql-sql-postgresql.org@mail.postgresql.org>;
	Thu,  8 Apr 2010 05:59:55 -0300 (ADT)
Received: from mail.postgresql.org ([200.46.204.86])
	by maia.hub.org (mx1.hub.org [200.46.208.211]) (amavisd-maia,
	port 10024) with ESMTP id 49062-01 for
	<pgsql-sql-postgresql.org@mail.postgresql.org>;
	Thu,  8 Apr 2010 08:59:39 +0000 (UTC)
X-Greylist: from auto-whitelisted by SQLgrey-1.7.6
Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130])
	by mail.postgresql.org (Postfix) with ESMTP id 5D730632224
	for <pgsql-sql@postgresql.org>; Thu,  8 Apr 2010 05:59:44 -0300 (ADT)
Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1])
	by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id o388xfPg017357;
	Thu, 8 Apr 2010 04:59:41 -0400 (EDT)
To: Thomas Kellerer <spam_eater@gmx.net>
cc: pgsql-sql@postgresql.org
Subject: Re: Problem with function returning a result set 
In-reply-to: <hpk5kd$98o$1@dough.gmane.org> 
References: <hpk5kd$98o$1@dough.gmane.org>
Comments: In-reply-to Thomas Kellerer <spam_eater@gmx.net>
	message dated "Thu, 08 Apr 2010 10:54:36 +0200"
Date: Thu, 08 Apr 2010 04:59:41 -0400
Message-ID: <17356.1270717181@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
X-Virus-Scanned: Maia Mailguard 1.0.1
X-Spam-Status: No, hits=-2.465 tagged_above=-10 required=5 tests=AWL=0.134,
	BAYES_00=-2.599
X-Spam-Level: 
X-Archive-Number: 201004/28
X-Sequence-Number: 33955

Thomas Kellerer <spam_eater@gmx.net> writes:
> CREATE OR REPLACE FUNCTION get_employees(name_pattern varchar)
> RETURNS TABLE(id integer, full_name text)
> AS
> $$
> BEGIN

>    RETURN QUERY
>      SELECT id, first_name||' '||last_name
>      FROM employee
>      WHERE last_name LIKE name_pattern ||'%';
> END
> $$
> LANGUAGE plpgsql;

> I get one row returned which is correct, but the ID column is null
> (but should be 1).

Don't name the parameter the same as the table column ...

			regards, tom lane