Re: inconsistency in aliasing - Mailing list pgsql-general

From A. Kretschmer
Subject Re: inconsistency in aliasing
Date
Msg-id 20090114110647.GC30398@a-kretschmer.de
Whole thread Raw
In response to inconsistency in aliasing  (Louis-David Mitterrand <vindex+lists-pgsql-general@apartia.org>)
Responses Re: inconsistency in aliasing  (Louis-David Mitterrand <vindex+lists-pgsql-general@apartia.org>)
List pgsql-general
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;


Andreas
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Andreas Kretschmer
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