Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1YMhD4-0006d4-Vp for pgsql-performance@arkaria.postgresql.org; Sat, 14 Feb 2015 18:12:55 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1YMhD3-0001fv-UQ for pgsql-performance@arkaria.postgresql.org; Sat, 14 Feb 2015 18:12:53 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1YMhD2-0001dJ-1c for pgsql-performance@postgresql.org; Sat, 14 Feb 2015 18:12:52 +0000 Received: from mout.kundenserver.de ([212.227.126.187]) by magus.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1YMhCx-0002nk-Ht for pgsql-performance@postgresql.org; Sat, 14 Feb 2015 18:12:50 +0000 Received: from comserver.tbz-pariv.de ([194.113.71.71]) by mrelayeu.kundenserver.de (mreue001) with ESMTPSA (Nemesis) id 0Lawnp-1XtjJk0yVt-00kf95 for ; Sat, 14 Feb 2015 19:12:45 +0100 Received: from localhost (localhost [127.0.0.1]) by comserver.tbz-pariv.de (Postfix) with ESMTP id E1FF221609 for ; Sat, 14 Feb 2015 19:12:44 +0100 (CET) X-Virus-Scanned: amavisd-new at tbz-pariv.de Received: from comserver.tbz-pariv.de ([127.0.0.1]) by localhost (comserver.tbz-pariv.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WoLslExizBOB for ; Sat, 14 Feb 2015 19:12:42 +0100 (CET) Received: from [192.168.156.12] (unknown [192.168.156.12]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by comserver.tbz-pariv.de (Postfix) with ESMTPSA id 84BFB2146E for ; Sat, 14 Feb 2015 19:12:41 +0100 (CET) Message-ID: <54DF9036.8080502@tbz-pariv.de> Date: Sat, 14 Feb 2015 19:13:10 +0100 From: "Sven R. Kunze" Organization: TBZ-PARIV GmbH User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: pgsql-performance@postgresql.org Subject: Reverse Key Index Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K0:s2ZRXmYl3LBULEXJ+sr2ug/909ocSdXmEemd5eoSlI+rRQ/hcSk KVz1y3uwC48zi0oUulan0XFfJqD4SpfisPqoVBY63FsAjJlKEdbzGAQ/+P/V13CSBogRiYS kkm4jwImqBP1NZlKiwMi3zXgbQxvGFNYPuqWO8l+eBUMmGWYnUNGSOqmyvvLm4kq6xh7+NU Aqwzfm0o+2iUEnUY5kj9w== X-UI-Out-Filterresults: notjunk:1; X-Pg-Spam-Score: -1.9 (-) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-performance Precedence: bulk Sender: pgsql-performance-owner@postgresql.org Hi, does PostgreSQL support the concept of reverse key indexing as described=20 here? I couldn't find any documentation on this yet. http://www.toadworld.com/platforms/oracle/w/wiki/11075.reverse-key-index-fr= om-the-concept-to-internals.aspx Regards, --=20 Sven R. Kunze TBZ-PARIV GmbH, Bernsdorfer Str. 210-212, 09130 Chemnitz Tel: +49 (0)371 33714721, Fax: +49 (0)371 5347920 e-mail: srkunze@tbz-pariv.de web: www.tbz-pariv.de Gesch=C3=A4ftsf=C3=BChrer: Dr. Reiner Wohlgemuth Sitz der Gesellschaft: Chemnitz Registergericht: Chemnitz HRB 8543 --=20 Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance