Received: from localhost (unknown [200.46.204.182]) by postgresql.org (Postfix) with ESMTP id B8B492E22B6 for ; Wed, 14 Nov 2007 13:00:44 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.182]) (amavisd-maia, port 10024) with ESMTP id 12505-09 for ; Wed, 14 Nov 2007 13:00:32 -0400 (AST) Received: from main2.mycybernet.net (main2.mycybernet.net [209.222.63.140]) by postgresql.org (Postfix) with ESMTP id C4D452E1FFA for ; Wed, 14 Nov 2007 13:00:38 -0400 (AST) Received: from 227-54-222-209.mycybernet.net ([209.222.54.227] helo=crankycanuck.ca) by main2.mycybernet.net with esmtp (Exim 4.62) (envelope-from ) id 1IsLbS-0002kn-9B for pgsql-performance@postgresql.org; Wed, 14 Nov 2007 12:00:38 -0500 Received: by crankycanuck.ca (Postfix, from userid 1000) id 0E2A0504FD; Wed, 14 Nov 2007 12:00:33 -0500 (EST) Date: Wed, 14 Nov 2007 12:00:33 -0500 From: Andrew Sullivan To: pgsql-performance@postgresql.org Subject: Re: Curious about dead rows. Message-ID: <20071114170033.GA16041@crankycanuck.ca> Mail-Followup-To: Andrew Sullivan , pgsql-performance@postgresql.org References: <4735DBDB.5050208@verizon.net> <16627.1194714491@sss.pgh.pa.us> <4735FA9F.1080805@verizon.net> <473A5CC0.3060003@verizon.net> <473AE63D.7090305@verizon.net> <20071114152249.GA16041@crankycanuck.ca> <473B27FD.5050702@verizon.net> <20071114165823.GW16041@crankycanuck.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071114165823.GW16041@crankycanuck.ca> User-Agent: Mutt/1.5.13 (2006-08-11) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200711/216 X-Sequence-Number: 27631 On Wed, Nov 14, 2007 at 11:58:23AM -0500, Andrew Sullivan wrote: > No, every statement in psql is a transaction. Even SELECT. Every statement Err, to be clearer, "Every statement in psql is _somehow_ part of a transaction; if you don't start one explicitly, the statement runs on its own as a transaction." A -- Andrew Sullivan Old sigs will return after re-constitution of blue smoke