| From: | David Pradier <dpradier(at)apartia(dot)fr> |
|---|---|
| To: | Richard Huxton <dev(at)archonet(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Erratic error message "ERROR: column "id_compte" does |
| Date: | 2005-03-16 14:39:02 |
| Message-ID: | 20050316143902.GF17220@apartia.fr |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Ok, understood.
One can access the columns of the main query from the subquery,
therefore in my own query the column "id_compte" is found,
therefore there is no error message.
Doesn't this count as a bug ?
On Wed, Mar 16, 2005 at 02:24:48PM +0000, Richard Huxton wrote:
> David Pradier wrote:
> >Actually, the column "id_compte" is the primary key of the table "compte".
> >The column "id_compte" doesn't exist in the table "operation".
> >
> >But i still don't understand why there is no error message, could you
> >explain a little more ?
>
> I think it's intended for use in the WHERE clause:
> SELECT a.* FROM a WHERE a1 IN (SELECT b3 FROM b WHERE b2=a2)
>
> --
> Richard Huxton
> Archonet Ltd
>
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--
dpradier(at)apartia(dot)fr - tel: 01.46.47.21.33 - fax: 01.46.47.21.37
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