| From: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
|---|---|
| To: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: inconsistency in aliasing |
| Date: | 2009-01-14 11:06:47 |
| Message-ID: | 20090114110647.GC30398@a-kretschmer.de |
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| Lists: | pgsql-general pgsql-hackers |
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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