From: Terry Yapt <pgsql@technovell.com>
To: andreas.schmitz@as-dataservice.de
Cc: pgsql-sql@postgresql.org
Subject: Re: COALESCE in ORDER BY...
Date: Sun, 18 May 2003 13:27:41 +0200
Message-ID: <1053257261.81a4c98pgsql@technovell.com> (raw)
Ok Thanks Andreas, but It was only curiosity because in Oracle I usually use this kind of ORDER BY on SQL's.
Thanks...
-----Original Message-----
From: Andreas Schmitz <andreas.schmitz@as-dataservice.de>
To: Terry Yapt <pgsql@technovell.com>
Date: Sat, 17 May 2003 19:14:09 +0200
Subject: Re: [SQL] COALESCE in ORDER BY...
Terry Yapt wrote:
>www=> SELECT 10 AS first ORDER BY COALESCE(first,0) DESC;
>ERROR: Attribute "first" not found
>
>Thanks in advance..
>
>
Perhaps, this is a bug, but I have a workarround for you till this is
clariefied:
SELECT *
FROM (SELECT 10 AS FIRST) AS vtbl
ORDER BY COALESCE(vtbl.first,0) DESC;
(Tested with 7.3.2)
Best regards
--
Andreas Schmitz
AS-DataService <http://www.as-dataservice.de;
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Subject: Re: COALESCE in ORDER BY...
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