Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kSske-0002Ur-4R for pgsql-hackers@arkaria.postgresql.org; Thu, 15 Oct 2020 02:12:20 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1kSskd-0004eM-3f for pgsql-hackers@arkaria.postgresql.org; Thu, 15 Oct 2020 02:12:19 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kSskc-0004eF-Tj for pgsql-hackers@lists.postgresql.org; Thu, 15 Oct 2020 02:12:18 +0000 Received: from oss.nttdata.com ([49.212.34.109]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kSska-00072S-3D for pgsql-hackers@postgresql.org; Thu, 15 Oct 2020 02:12:18 +0000 Received: from hnk.local (p1295030-ipngn4902funabasi.chiba.ocn.ne.jp [153.166.85.30]) by oss.nttdata.com (Postfix) with ESMTPSA id 1148262598; Thu, 15 Oct 2020 11:12:11 +0900 (JST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.102.3 at oss.nttdata.com Subject: Re: Add a description to the documentation that toast_tuple_target affects "Main" To: Shinya Okano , Kasahara Tatsuhito Cc: pgsql-hackers References: <93f46e311a67422e89e770d236059817@oss.nttdata.com> From: Fujii Masao Message-ID: <992966ae-7e8c-9adb-054a-243d74ac487a@oss.nttdata.com> Date: Thu, 15 Oct 2020 11:12:10 +0900 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.12.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk On 2020/10/14 16:21, Shinya Okano wrote: > On 2020-10-14 01:30, Fujii Masao wrote: >> On 2020/10/13 10:40, Kasahara Tatsuhito wrote: >>> On Fri, Oct 9, 2020 at 5:44 PM Shinya Okano wrote: >>>> Regarding the toast_tuple_target parameter of CREATE TABLE, the >>>> documentation says that it only affects External or Extended, but it >>>> actually affects the compression of Main as well. >>>> >>>> The attached patch modifies the document to match the actual behavior. >>> +1 >> >> +1 >> >> +      we try to compress long column values or to move into TOAST tables, and >> >> "we try to compress and/or move long column values into TOAST tables, >> and" is better? > > Thank you everyone for reviews. > I attached the new version of the patch. Thanks for updating the patch! Pushed. Regards, -- Fujii Masao Advanced Computing Technology Center Research and Development Headquarters NTT DATA CORPORATION