Re: COALESCE in ORDER BY...

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(dot)schmitz(at)as-dataservice(dot)de>
To: Terry Yapt <pgsql(at)technovell(dot)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
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