From: Andrzej Zawadzki <zawadaa@wp.pl>
To: pgsql-performance@postgresql.org
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Subject: Re: Strange behavior after upgrade from 9.0 to 9.2
Date: Mon, 08 Oct 2012 17:41:17 +0200
Message-ID: <5072F41D.5010202@wp.pl> (raw)
In-Reply-To: <1077.1349707951@sss.pgh.pa.us>
References: <50728C3E.9050904@wp.pl>
<1077.1349707951@sss.pgh.pa.us>
On 08.10.2012 16:52, Tom Lane wrote:
> Andrzej Zawadzki <zawadaa@wp.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.
>
Bingo! Thank you!
But... looks like in 9.0 this worked differently or option was skipped?
Because I had default settings of that options and query has worked fine.
--
Andrzej Zawadzki
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To: pgsql-performance@postgresql.org
Cc: zawadaa@wp.pl, tgl@sss.pgh.pa.us
Subject: Re: Strange behavior after upgrade from 9.0 to 9.2
In-Reply-To: <5072F41D.5010202@wp.pl>
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