Re: zero performance on query - Mailing list pgsql-performance

From Steinar H. Gunderson
Subject Re: zero performance on query
Date
Msg-id 20051026152047.GA15377@uio.no
Whole thread Raw
In response to Re: zero performance on query  ("Merlin Moncure" <merlin.moncure@rcsonline.com>)
List pgsql-performance
On Wed, Oct 26, 2005 at 08:05:21AM -0400, Merlin Moncure wrote:
> select count(*) from fotos f where not exists (select archivo from archivos a where a.archivo = f.archivo)

This was an optimization before 7.4, but probably isn't anymore.

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