X-Original-To: pgsql-performance-postgresql.org@postgresql.org Received: from localhost (wm.hub.org [200.46.204.128]) by postgresql.org (Postfix) with ESMTP id 60D3E9FA5EA for ; Mon, 11 Sep 2006 11:22:08 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.128]) (amavisd-new, port 10024) with ESMTP id 98460-08 for ; Mon, 11 Sep 2006 14:21:45 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey- Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id 71F019FA1AD for ; Mon, 11 Sep 2006 11:21:45 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.6/8.13.6) with ESMTP id k8BELhMb022593; Mon, 11 Sep 2006 10:21:44 -0400 (EDT) To: fardeen memon cc: pgsql-performance@postgresql.org Subject: Re: Performance problem with joins In-reply-to: <20060911112913.63078.qmail@web60815.mail.yahoo.com> References: <20060911112913.63078.qmail@web60815.mail.yahoo.com> Comments: In-reply-to fardeen memon message dated "Mon, 11 Sep 2006 04:29:13 -0700" Date: Mon, 11 Sep 2006 10:21:43 -0400 Message-ID: <22592.1157984503@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200609/59 X-Sequence-Number: 20745 fardeen memon writes: > here is the output of the explain query after changing the tra_date column to timestamp. If you want intelligent commentary, please (a) post EXPLAIN ANALYZE not EXPLAIN output, and (b) don't mangle the indentation. This is just about unreadable :-( regards, tom lane