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
Message-ID: <200802220830.56917.jfabiani@yolo.com> (raw)
In-Reply-To: <47BEA582.A3DD.0030.0@indicator.be>
References: <001501c8752d$391c8e50$ab55aaf0$@com>
<001a01c87534$84eea280$8ecbe780$@com>
<47BEA582.A3DD.0030.0@indicator.be>
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
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To: pgsql-sql@postgresql.org
Cc: jfabiani@yolo.com
Subject: Re: postgresql function not accepting null values inselect statement
In-Reply-To: <200802220830.56917.jfabiani@yolo.com>
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