Date: Sat, 17 Dec 2011 10:02:46 +0100
From: Andreas Kretschmer <akretschmer@spamfence.net>
To: pgsql-sql@postgresql.org
Subject: Re: Column "..." does not exist (view + union)
Message-ID: <20111217090246.GA12209@tux>
References: <4EEC0533.9050007@gmail.com>
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Stefan Weiss <krewecherl@gmail.com> wrote:

> 
> - running this query -
> 
>     SELECT  name
>       FROM  dossier_contact_v
>      WHERE  dossier_id = 56993
>        AND  ctype = 234
> UNION
>     SELECT  name
>       FROM  dossier_contact_v
>      WHERE  dossier_id = -1
>        AND  ctype = -1
> ORDER BY ctype;
> 
> - fails with the following error message:
> 
> ERROR:  column "ctype" does not exist
> LINE 10: ORDER BY ctype;

The reult table doesn't contain a column "ctype", it contains only
"name". Rewrite your query to something like:

select name from (select name, ctype from ... union select name, ctype from ...)
foo order by ctype


Andreas
-- 
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"If I was god, I would recompile penguin with --enable-fly."   (unknown)
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