X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id A5BCD5287E for ; Fri, 1 Jul 2005 11:22:54 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 13951-02 for ; Fri, 1 Jul 2005 14:22:48 +0000 (GMT) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by svr1.postgresql.org (Postfix) with ESMTP id CC1A0529A6 for ; Fri, 1 Jul 2005 11:22:45 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.1/8.13.1) with ESMTP id j61EMoua028889; Fri, 1 Jul 2005 10:22:50 -0400 (EDT) To: Sam Mason Cc: pgsql-performance@postgresql.org Subject: Re: planner picking more expensive plan In-reply-to: <20050701133305.GB2623@sam.lan.samason.me.uk> References: <20050701133305.GB2623@sam.lan.samason.me.uk> Comments: In-reply-to Sam Mason message dated "Fri, 01 Jul 2005 14:33:05 +0100" Date: Fri, 01 Jul 2005 10:22:50 -0400 Message-ID: <28888.1120227770@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.006 tagged_above=0 required=5 tests=AWL X-Spam-Level: X-Archive-Number: 200507/3 X-Sequence-Number: 13244 Sam Mason writes: > The planner (in PG version 8.0.2) is choosing what it thinks is a more > expensive plan. I fooled around trying to duplicate this behavior, without success. Can you create a self-contained test case? regards, tom lane