Re: inconsistency in aliasing

From: Louis-David Mitterrand <vindex+lists-pgsql-general(at)apartia(dot)org>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: inconsistency in aliasing
Date: 2009-01-14 11:27:48
Message-ID: 20090114112748.GA5569@apartia.fr
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On Wed, Jan 14, 2009 at 12:06:47PM +0100, A. Kretschmer wrote:
> In response to Louis-David Mitterrand :
> > Hi,
> >
> > This works:
> >
> > critik=# select current_timestamp::abstime::int4 as score order by score;
> >
> > This doesn't:
> >
> > critik=# select current_timestamp::abstime::int4 as score order by score + 1;
> > ERROR: column "score" does not exist
> > LINE 1: ...urrent_timestamp::abstime::int4 as score order by score + 1 ...
> >
> > Any idea ?
>
> Yes, you can't use the alias in the ORDER BY. Use the real column-name.
>
> select current_timestamp::abstime::int4 as score order by
> current_timestamp::abstime::int4;

Did you try

"select current_timestamp::abstime::int4 as score order by score;" ?

This seems to be an "order by <alias>"

--
http://www.critikart.net

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