X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 3D852D7D75 for ; Fri, 26 Aug 2005 20:48:18 -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 22863-10 for ; Fri, 26 Aug 2005 23:48:17 +0000 (GMT) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by svr1.postgresql.org (Postfix) with ESMTP id 623C5D7D72 for ; Fri, 26 Aug 2005 20:48:15 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.1/8.13.1) with ESMTP id j7QNm5Zx026875; Fri, 26 Aug 2005 19:48:05 -0400 (EDT) To: Mark Kirkwood Cc: Tobias Brox , pgsql-performance@postgresql.org Subject: Re: Limit + group + join In-reply-to: <430FA5BD.2070407@paradise.net.nz> References: <20050826002709.GK10328@tobias.lan> <430E85ED.60109@paradise.net.nz> <9501.1125071193@sss.pgh.pa.us> <430FA5BD.2070407@paradise.net.nz> Comments: In-reply-to Mark Kirkwood message dated "Sat, 27 Aug 2005 11:29:01 +1200" Date: Fri, 26 Aug 2005 19:48:05 -0400 Message-ID: <26874.1125100085@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.006 required=5 tests=[AWL=0.006] X-Spam-Level: X-Archive-Number: 200508/463 X-Sequence-Number: 14210 Mark Kirkwood writes: > That doesn't explain why the nested loop is being kicked tho', No, but I think the fuzzy-cost bug does. There are two different issues here. regards, tom lane