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Re: COALESCE in ORDER BY... - Mailing list pgsql-sql

From Andreas Schmitz
Subject Re: COALESCE in ORDER BY...
Date
Msg-id 3EC66DE1.1090705@as-dataservice.de
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In response to COALESCE in ORDER BY...  ("Terry Yapt" <pgsql@technovell.com>)
Responses Re: COALESCE in ORDER BY...  (Stephan Szabo <sszabo@megazone23.bigpanda.com>)
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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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