Received: from localhost (unknown [200.46.204.184])
	by postgresql.org (Postfix) with ESMTP id 8755E2E00F7
	for <pgsql-sql-postgresql.org@postgresql.org>;
	Fri, 22 Feb 2008 18:01:52 -0400 (AST)
Received: from postgresql.org ([200.46.204.71])
	by localhost (mx1.hub.org [200.46.204.184]) (amavisd-maia, port 10024)
	with ESMTP id 50905-03 for <pgsql-sql-postgresql.org@postgresql.org>;
	Fri, 22 Feb 2008 18:01:45 -0400 (AST)
X-Greylist: delayed 02:35:49.485619 by SQLgrey-1.7.5
Received: from que03.charter.net (que03.charter.net [209.225.8.191])
	by postgresql.org (Postfix) with ESMTP id BA44D2E00F9
	for <pgsql-sql@postgresql.org>; Fri, 22 Feb 2008 18:01:49 -0400 (AST)
Received: from aarprv06.charter.net ([10.20.200.76]) by mta12.charter.net
	(InterMail vM.7.08.03.00 201-2186-126-20070710) with ESMTP
	id <20080222163102.HSPI22287.mta12.charter.net@aarprv06.charter.net>
	for <pgsql-sql@postgresql.org>; Fri, 22 Feb 2008 11:31:02 -0500
Received: from [192.168.1.215] (really [68.186.33.18])
	by aarprv06.charter.net with ESMTP
	id <20080222163102.IPZE14098.aarprv06.charter.net@[192.168.1.215]>
	for <pgsql-sql@postgresql.org>; Fri, 22 Feb 2008 11:31:02 -0500
From: johnf <jfabiani@yolo.com>
To: pgsql-sql@postgresql.org
Subject: Re: postgresql function not accepting null values inselect statement
Date: Fri, 22 Feb 2008 08:30:56 -0800
User-Agent: KMail/1.9.6 (enterprise 20070904.708012)
References: <001501c8752d$391c8e50$ab55aaf0$@com>
	<001a01c87534$84eea280$8ecbe780$@com>
	<47BEA582.A3DD.0030.0@indicator.be>
In-Reply-To: <47BEA582.A3DD.0030.0@indicator.be>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-15"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200802220830.56917.jfabiani@yolo.com>
X-Chzlrs: 0
X-Virus-Scanned: Maia Mailguard 1.0.1
X-Archive-Number: 200802/167
X-Sequence-Number: 30258

On Friday 22 February 2008 01:35:47 am Bart Degryse wrote:
> Can you try this...
>
> CREATE OR REPLACE FUNCTION getfunctionaries(p_statecd integer)
>   RETURNS SETOF t_functionaries AS
> $BODY$
> DECLARE
>   rec t_functionaries%ROWTYPE;
> BEGIN
>   FOR rec IN (
>     SELECT f.functionaryid, f.category, f.description
>     FROM functionaries f
>     WHERE f.statecd IS NOT DISTINCT FROM p_statecd)
>   LOOP
>     return next rec;
>   END LOOP;
>   return;
> END;
> $BODY$
> LANGUAGE 'plpgsql' VOLATILE;
>
a newbie question.  Could you explain why yours works?  I don't understand how 
it works if p_statecd = NULL


-- 
John Fabiani