Re: Slow query - Mailing list pgsql-general

From Alvaro Herrera
Subject Re: Slow query
Date
Msg-id 20031027173630.GD24272@dcc.uchile.cl
Whole thread Raw
In response to Slow query  (Yonatan Goraly <ygoraly@sbcglobal.net>)
Responses Re: Slow query
List pgsql-general
On Mon, Oct 27, 2003 at 12:08:31AM +0200, Yonatan Goraly wrote:
> I have a query that uses the same view 6 times. It seems that the
> database engine is calculating the view each time.
> The result is very poor performance. The same query takes 2 sec with MS
> SQL, and more than 10 sec with PostgreSQL.
> Is there a method to improve the performance besides merging the
> components of the view into one table?

Say, have you ANALYZEd your tables ?

--
Alvaro Herrera (<alvherre[a]dcc.uchile.cl>)
"Coge la flor que hoy nace alegre, ufana. ¿Quién sabe si nacera otra mañana?"

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