X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [64.117.224.130]) by svr1.postgresql.org (Postfix) with ESMTP id 16D99D1B8FC for ; Sat, 30 Aug 2003 02:49:31 +0000 (GMT) Received: from svr1.postgresql.org ([64.117.224.193]) by localhost (neptune.hub.org [64.117.224.130]) (amavisd-new, port 10024) with ESMTP id 85323-03 for ; Fri, 29 Aug 2003 23:49:04 -0300 (ADT) Received: from wolff.to (wolff.to [66.93.249.74]) by svr1.postgresql.org (Postfix) with SMTP id 5D902D1B897 for ; Fri, 29 Aug 2003 23:48:59 -0300 (ADT) Received: (qmail 30723 invoked by uid 500); 30 Aug 2003 02:55:03 -0000 Date: Fri, 29 Aug 2003 21:55:03 -0500 From: Bruno Wolff III To: Ken Geis Cc: pgsql-performance@postgresql.org Subject: Re: bad estimates Message-ID: <20030830025503.GA30691@wolff.to> Mail-Followup-To: Ken Geis , pgsql-performance@postgresql.org References: <20030829025109.GD4373@wolff.to> <3F4EBF7E.8020602@speakeasy.org> <20030829030156.GF4373@wolff.to> <3F4EC1D0.5010503@speakeasy.org> <20030829033818.GA5577@wolff.to> <3F4ECC78.7090502@speakeasy.org> <20030829040519.GA5746@wolff.to> <3F4ED1DC.50808@speakeasy.org> <20030829042453.GA5931@wolff.to> <3F4F0777.8090503@speakeasy.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3F4F0777.8090503@speakeasy.org> User-Agent: Mutt/1.5.4i X-Virus-Scanned: by amavisd-new at postgresql.org X-Archive-Number: 200308/518 X-Sequence-Number: 3334 I haven't come up with any great ideas for this one. It might be interesting to compare the explain analyze output from the distinct on query with and without seqscans enabled.