Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id 5B304133798E for ; Wed, 4 May 2011 02:28:59 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 68180-07 for ; Wed, 4 May 2011 05:28:41 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from mailout01.ims-firmen.de (mailout01.ims-firmen.de [213.174.32.96]) by mail.postgresql.org (Postfix) with ESMTP id E922B13364DE for ; Wed, 4 May 2011 02:28:40 -0300 (ADT) Received: from [192.168.1.111] (helo=mi2) by mailout01.ims-firmen.de with esmtp (envelope-from ) id 1QHUdZ-0008LD-Qg for pgsql-sql@postgresql.org; Wed, 04 May 2011 07:28:37 +0200 Received: from [87.170.182.117] (helo=a-kretschmer.de) by mi2 with esmtpsa (TLSv1:AES256-SHA:256) (envelope-from ) id 1QHUdZ-0006sx-LV for pgsql-sql@postgresql.org; Wed, 04 May 2011 07:28:37 +0200 Received: from kretschmer by a-kretschmer.de with local (Exim 4.69) (envelope-from ) id 1QHUdY-0001Vi-Ja for pgsql-sql@postgresql.org; Wed, 04 May 2011 07:28:36 +0200 Date: Wed, 4 May 2011 07:28:36 +0200 From: Andreas Kretschmer To: pgsql-sql@postgresql.org Subject: Re: How to realize ROW_NUMBER() in 8.3? Message-ID: <20110504052836.GA5658@tux> References: <4DAEFF97.9020608@encs.concordia.ca> <0E2AEE255CB846CAA0017E7BB54D501C@marktestcr.marktest.pt> <4DC016D4.9090608@encs.concordia.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4DC016D4.9090608@encs.concordia.ca> X-OS: Debian/GNU Linux - weil ich es mir Wert bin! X-GPG-Fingerprint: EE16 3C01 7B9C 10F7 2C8B 3B86 4DB3 D9EE 7F45 84DA X-Message-Flag: "Windows" is not the answer. "Windows" is the question and the answer is "no"! X-Lugdd: Gerd Kube X-Info: My name is root. Just root. And I am licensed to kill -9 User-Agent: Mutt/1.5.18 (2008-05-17) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.9 tagged_above=-5 required=5 tests=BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001 X-Spam-Level: X-Archive-Number: 201105/20 X-Sequence-Number: 35304 Emi Lu wrote: > Thank you for the info. > > I found a simple way: > ========================== > [1] create SEQUENCE tmp start 7820; > [2] > insert into desti_table_name > select nextval('tmp'), > c1, c2... ... cN > from t1 left join t2... ... tn > where ... ... > > Just for people using 8.3, this is mimic row_number. Not really... you have to reset the sequence after the select, and i'm not sure about ordering the result. Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknown) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°