X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 9B90F536F7 for ; Sat, 16 Apr 2005 17:03:03 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 93103-07 for ; Sat, 16 Apr 2005 20:03:01 +0000 (GMT) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by svr1.postgresql.org (Postfix) with ESMTP id 9F03A536E1 for ; Sat, 16 Apr 2005 17:02:59 -0300 (ADT) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1DMtRV-0002Qy-DR for pgsql-sql@postgresql.org; Sat, 16 Apr 2005 21:59:01 +0200 Received: from 62.79.119.132.adsl.vbr.tiscali.dk ([62.79.119.132]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 16 Apr 2005 21:59:01 +0200 Received: from troels by 62.79.119.132.adsl.vbr.tiscali.dk with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 16 Apr 2005 21:59:01 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: pgsql-sql@postgresql.org From: Troels Arvin Subject: Re: Nested Sets Date: Sat, 16 Apr 2005 22:02:24 +0200 Lines: 11 Message-ID: References: <20050416181457.GA14377@phlogiston.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: 62.79.119.132.adsl.vbr.tiscali.dk User-Agent: Pan/0.14.2.91 (As She Crawled Across the Table) X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=1.518 tagged_above=0 required=5 tests=AWL, RCVD_BY_IP, RCVD_NUMERIC_HELO X-Spam-Level: * X-Archive-Number: 200504/235 X-Sequence-Number: 21128 On Sat, 16 Apr 2005 14:14:57 -0400, Andrew Sullivan wrote: > You shouldn't need to do anything special around table > locking. - Except of one wants "True Serializability" (see chapter 12.2 in the manual). But I don't know if it's possible to handle table locking from within a user defined function. -- Greetings from Troels Arvin, Copenhagen, Denmark