Received: from localhost (maia-3.hub.org [200.46.204.184]) by postgresql.org (Postfix) with ESMTP id C14CA9FB692 for ; Fri, 6 Apr 2007 02:43:20 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.184]) (amavisd-maia, port 10024) with ESMTP id 05667-09 for ; Fri, 6 Apr 2007 02:43:16 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id C60839FB5F9 for ; Fri, 6 Apr 2007 02:43:17 -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 l365hG2a028350; Fri, 6 Apr 2007 01:43:16 -0400 (EDT) To: "Jonathan Ellis" cc: pgsql-performance@postgresql.org Subject: Re: Premature view materialization in 8.2? In-reply-to: References: Comments: In-reply-to "Jonathan Ellis" message dated "Thu, 05 Apr 2007 12:46:08 -0600" Date: Fri, 06 Apr 2007 01:43:16 -0400 Message-ID: <28349.1175838196@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200704/148 X-Sequence-Number: 24025 "Jonathan Ellis" writes: > I have a query hitting a view that takes 0.15s on 8.1 but 6s on 8.2.3: > ... > Is this a regression, or a "feature" of 8.2? Hard to say without EXPLAIN ANALYZE output to compare. regards, tom lane