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From: Tom Lane <tgl@sss.pgh.pa.us>
To: vincent.moreau@leroymerlin.fr
Cc: Michael Fuhr <mike@fuhr.org>
Cc: pgsql-performance@postgresql.org
Subject: Re: Execution plan changed after upgrade from 7.3.9 to 8.2.3
Date: Tue, 13 Mar 2007 11:06:13 -0400
Message-ID: <2335.1173798373@sss.pgh.pa.us> (raw)
In-Reply-To: <45F6AFA9.4020804@leroymerlin.fr>
References: <45F65EA3.1030706@leroymerlin.fr>
	<20070313101117.GA98241@winnie.fuhr.org>
	<45F686FA.2090909@leroymerlin.fr>
	<20070313130945.GB4490@alvh.no-ip.org>
	<45F6A6F8.9090405@leroymerlin.fr>
	<20070313134306.GC6715@alvh.no-ip.org>
	<45F6AFA9.4020804@leroymerlin.fr>

<vincent.moreau@leroymerlin.fr> writes:
> I was able to improve response time by seting enable_seqscan to off

enable_nestloop = off would probably be a saner choice, at least for
this particular query.

			regards, tom lane

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