Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1Zf9dk-0006mq-E5 for pgsql-hackers@arkaria.postgresql.org; Thu, 24 Sep 2015 16:45:00 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.84) (envelope-from ) id 1Zf9dj-00025B-Pe for pgsql-hackers@arkaria.postgresql.org; Thu, 24 Sep 2015 16:44:59 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84) (envelope-from ) id 1Zf9cR-0008KU-BY for pgsql-hackers@postgresql.org; Thu, 24 Sep 2015 16:43:39 +0000 Received: from mx-out.zmailcloud.com ([192.198.85.98] helo=mx-out-1.zmailcloud.com) by magus.postgresql.org with esmtp (Exim 4.84) (envelope-from ) id 1Zf9cO-0000UD-0i for pgsql-hackers@postgresql.org; Thu, 24 Sep 2015 16:43:38 +0000 Received: from smtp.01.com (smtp.01.com [10.10.0.43]) by mx-out-1.zmailcloud.com (Postfix) with ESMTP id B8CC4564128; Thu, 24 Sep 2015 11:43:29 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by smtp-out-1.01.com (Postfix) with ESMTP id AB392A02E3; Thu, 24 Sep 2015 11:43:29 -0500 (CDT) X-Virus-Scanned: amavisd-new at smtp-out-1.01.com Received: from smtp.01.com ([127.0.0.1]) by localhost (smtp-out-1.01.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8OyF7MuLpVa8; Thu, 24 Sep 2015 11:43:29 -0500 (CDT) Received: from smtp.01.com (localhost [127.0.0.1]) by smtp-out-1.01.com (Postfix) with ESMTP id ED221A032B; Thu, 24 Sep 2015 11:43:28 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by smtp-out-1.01.com (Postfix) with ESMTP id CD294A0326; Thu, 24 Sep 2015 11:43:28 -0500 (CDT) X-Virus-Scanned: amavisd-new at smtp-out-1.01.com Received: from smtp.01.com ([127.0.0.1]) by localhost (smtp-out-1.01.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id OxbK3gjDAN68; Thu, 24 Sep 2015 11:43:28 -0500 (CDT) Received: from [172.47.23.104] (50-0-190-244.dsl.dynamic.fusionbroadband.com [50.0.190.244]) by smtp-out-1.01.com (Postfix) with ESMTPSA id 9FFE0A027F; Thu, 24 Sep 2015 11:43:26 -0500 (CDT) Subject: Re: multivariate statistics / patch v7 To: Tomas Vondra , pgsql-hackers References: <54C3FED3.1060600@2ndquadrant.com> <20150320.173307.249113775.horiguchi.kyotaro@lab.ntt.co.jp> <550C8E50.2010600@2ndquadrant.com> <20150324.143427.34552953.horiguchi.kyotaro@lab.ntt.co.jp> <5519E9B2.5080105@2ndquadrant.com> <20150428161310.GR30322@tamriel.snowman.net> <553FCE56.2000008@2ndquadrant.com> <554A73A6.2060603@2ndquadrant.com> <55638982.40904@2ndquadrant.com> Cc: Jeff Janes , Stephen Frost , Kyotaro HORIGUCHI From: Josh Berkus Organization: PostgreSQL Experts Inc. Message-ID: <56042827.6080602@agliodbs.com> Date: Thu, 24 Sep 2015 09:43:19 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -2.6 (--) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-hackers Precedence: bulk Sender: pgsql-hackers-owner@postgresql.org Tomas, > attached is v7 of the multivariate stats patch. The main improvement is > major refactoring of the clausesel.c portion - splitting the awfully > long spaghetti-style functions into smaller pieces, making it much more > understandable etc. So presumably v7 handles varlena attributes as well, yes? I have a destruction test case for correlated column stats, so I'd like to test your patch on it. -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers