Re: Too much time to delete 19000 rows

From: Andrew Sullivan <ajs(at)crankycanuck(dot)ca>
To: pgsql-sql(at)postgresql(dot)org
Subject: Re: Too much time to delete 19000 rows
Date: 2006-10-06 18:26:54
Message-ID: 20061006182654.GA11841@phlogiston.dyndns.org
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On Fri, Oct 06, 2006 at 03:10:01PM -0300, Ezequias Rodrigues da Rocha wrote:
>
> BEGIN WORK;
> delete from base.ticket where session_id = 17 and cash_id = 99 and promo_id
> = 5;
> COMMIT WORK;

Try putting EXPLAIN ANALYSE on the beginning to see what's going on.
That said. . .

> I just think it could be occuring becouse of many constraints (7 at all)

. . .it could be, yes. Are all the other tables &c. indexed
correctly? VACUUMed and ANALYSEd?

A

--
Andrew Sullivan | ajs(at)crankycanuck(dot)ca
The whole tendency of modern prose is away from concreteness.
--George Orwell

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