Received: from makus.postgresql.org ([98.129.198.125]) by malur.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1TLFSc-0004FF-Gg for pgsql-performance@postgresql.org; Mon, 08 Oct 2012 15:41:38 +0000 Received: from mx4.wp.pl ([212.77.101.8]) by makus.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1TLFSa-0000G7-KS for pgsql-performance@postgresql.org; Mon, 08 Oct 2012 15:41:37 +0000 Received: (wp-smtpd smtp.wp.pl 7287 invoked from network); 8 Oct 2012 17:41:18 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wp.pl; s=1024a; t=1349710878; bh=OFlYQo9H/q7v8u3DYjhAZlXkVJeQGNot9amyiv50lGU=; h=From:To:CC:Subject; b=Nr3GF5Aq15sKM6k6Y7ytzB86jgh2BenRCA7GsgLT9F3hRN1i4SIH9/Q6ldTa0wF/K Q12/9Y3FQcJIPv6asEn1bLpn5S9kkyLUHzmahA7CqyvZQ9a7L1jzuQPX1Bk4GQonQ8 yg2Igd7x5Kzts/Ce1HucfNM/elMQGDrVlD6Y/IBA= Received: from bramka-zew.dfqs.pl (HELO [192.168.20.69]) (zawadaa@[194.126.222.22]) (envelope-sender ) by smtp.wp.pl (WP-SMTPD) with CAMELLIA256-SHA encrypted SMTP for ; 8 Oct 2012 17:41:18 +0200 Message-ID: <5072F41D.5010202@wp.pl> Date: Mon, 08 Oct 2012 17:41:17 +0200 From: Andrzej Zawadzki User-Agent: Mozilla/5.0 (X11; Linux i686; rv:15.0) Gecko/20120829 Icedove/15.0 MIME-Version: 1.0 To: pgsql-performance@postgresql.org CC: Tom Lane Subject: Re: Strange behavior after upgrade from 9.0 to 9.2 References: <50728C3E.9050904@wp.pl> <1077.1349707951@sss.pgh.pa.us> In-Reply-To: <1077.1349707951@sss.pgh.pa.us> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-WP-AV: skaner antywirusowy poczty Wirtualnej Polski S. A. X-WP-SPAM: NO 0000000 [0WPE] X-Pg-Spam-Score: -4.0 (----) X-Archive-Number: 201210/48 X-Sequence-Number: 48007 On 08.10.2012 16:52, Tom Lane wrote: > Andrzej Zawadzki 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