Received: from localhost (unknown [200.46.204.183]) by mail.postgresql.org (Postfix) with ESMTP id E7B37632199 for ; Fri, 17 Apr 2009 12:08:26 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 71872-08 for ; Fri, 17 Apr 2009 12:08:26 -0300 (ADT) 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 84D7E62DBDD for ; Fri, 17 Apr 2009 12:08:25 -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 n3HF8OEF021401; Fri, 17 Apr 2009 11:08:24 -0400 (EDT) To: Kris Jurka cc: pgsql-performance@postgresql.org Subject: Re: No hash join across partitioned tables? In-reply-to: <49E89B29.10705@ejurka.com> References: <7163.1239923531@sss.pgh.pa.us> <21238.1239980554@sss.pgh.pa.us> <49E89B29.10705@ejurka.com> Comments: In-reply-to Kris Jurka message dated "Fri, 17 Apr 2009 08:07:21 -0700" Date: Fri, 17 Apr 2009 11:08:24 -0400 Message-ID: <21400.1239980904@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.41 tagged_above=0 required=5 tests=SUBJECT_FUZZY_TION=0.41 X-Spam-Level: X-Archive-Number: 200904/287 X-Sequence-Number: 33654 Kris Jurka writes: > The hash join takes less than twenty seconds, the other two joins I > killed after five minutes. I can try to collect explain analyze results > later today if you'd like. Please, unless the test case you already posted has similar behavior. regards, tom lane