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 640CB529B7 for ; Fri, 29 Jul 2005 01:25:06 -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 18999-06 for ; Fri, 29 Jul 2005 04:25:05 +0000 (GMT) Received: from mailbox.samurai.com (mailbox.samurai.com [205.207.28.82]) by svr1.postgresql.org (Postfix) with ESMTP id 31704529B4 for ; Fri, 29 Jul 2005 01:25:02 -0300 (ADT) Received: from localhost (mailbox.samurai.com [205.207.28.82]) by mailbox.samurai.com (Postfix) with ESMTP id 9A7602394CF; Fri, 29 Jul 2005 00:25:02 -0400 (EDT) Received: from mailbox.samurai.com ([205.207.28.82]) by localhost (mailbox.samurai.com [205.207.28.82]) (amavisd-new, port 10024) with LMTP id 83867-01-4; Fri, 29 Jul 2005 00:25:01 -0400 (EDT) Received: from [61.88.101.19] (unknown [61.88.101.19]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mailbox.samurai.com (Postfix) with ESMTP id EC129239519; Fri, 29 Jul 2005 00:24:59 -0400 (EDT) Message-ID: <42E9AFF5.50209@samurai.com> Date: Fri, 29 Jul 2005 14:26:29 +1000 From: Neil Conway User-Agent: Debian Thunderbird 1.0.2 (X11/20050602) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Gnanavel S Cc: Chris Travers , pgsql-performance@postgresql.org Subject: Re: Left joining against two empty tables makes a query References: <42E86A03.1070803@travelamericas.com> <42E90E19.3030702@travelamericas.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new at mailbox.samurai.com X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.016 tagged_above=0 required=5 tests=AWL X-Spam-Level: X-Archive-Number: 200507/459 X-Sequence-Number: 13700 Gnanavel S wrote: > reindex the tables separately. Reindexing should not affect this problem, anyway. -Neil