Re: Strange behavior after upgrade from 9.0 to 9.2

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andrzej Zawadzki <zawadaa(at)wp(dot)pl>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Strange behavior after upgrade from 9.0 to 9.2
Date: 2012-10-08 14:52:31
Message-ID: 1077.1349707951@sss.pgh.pa.us
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Andrzej Zawadzki <zawadaa(at)wp(dot)pl> writes:
> I have no idea whats wrong. Looks like planer bad decision.

[ counts... ] You've got nine base relations in that query. I think
you need to increase from_collapse_limit and/or join_collapse_limit.

regards, tom lane

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