Received: from maia.hub.org (maia-3.hub.org [200.46.204.243]) by mail.postgresql.org (Postfix) with ESMTP id 7844DB60748 for ; Wed, 1 Jun 2011 18:03:06 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.243]) (amavisd-maia, port 10024) with ESMTP id 03862-01 for ; Wed, 1 Jun 2011 21:02:55 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by mail.postgresql.org (Postfix) with ESMTP id 24B83B606F2 for ; Wed, 1 Jun 2011 18:02:54 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id p51L2p8K025113; Wed, 1 Jun 2011 17:02:51 -0400 (EDT) To: =?ISO-8859-1?Q?C=E9dric_Villemain?= cc: Robert Haas , panam , PostgreSQL-development Subject: Re: [PERFORM] Hash Anti Join performance degradation In-reply-to: References: <1306210464806-4420974.post@n5.nabble.com> <4DDB47BC.8030504@postnewspapers.com.au> <1306247697267-4422247.post@n5.nabble.com> <4DDC6109.7060708@postnewspapers.com.au> <1306341749094-4425890.post@n5.nabble.com> <4DDDBD96.4010809@postnewspapers.com.au> <1306413217406-4428435.post@n5.nabble.com> <7913.1306900062@sss.pgh.pa.us> <24247.1306959956@sss.pgh.pa.us> Comments: In-reply-to =?ISO-8859-1?Q?C=E9dric_Villemain?= message dated "Wed, 01 Jun 2011 22:34:38 +0200" Date: Wed, 01 Jun 2011 17:02:51 -0400 Message-ID: <25112.1306962171@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.91 tagged_above=-5 required=5 tests=BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201106/60 X-Sequence-Number: 188773 =?ISO-8859-1?Q?C=E9dric_Villemain?= writes: > exact, thanks to your last email I read more the code and get the same > conclusion and put it in a more appropriate place : before > ExecScanHashBucket. > I was about sending it, so it is attached. Applied with cosmetic adjustments. regards, tom lane