Received: from orion.SAPserv.Hamburg.dsh.de (Tpolaris2.sapham.debis.de [53.2.131.8]) by hub.org (8.9.3/8.9.3) with SMTP id OAA86954 for ; Fri, 4 Feb 2000 14:55:37 -0500 (EST) (envelope-from wieck@debis.com) Received: by orion.SAPserv.Hamburg.dsh.de for pgsql-sql@postgreSQL.org id m12Goeb-0003kbC; Fri, 4 Feb 100 20:44 MET Message-Id: From: wieck@debis.com (Jan Wieck) Subject: Re: [SQL] Concurrency problem In-Reply-To: from Taral at "Feb 4, 2000 01:31:11 pm" To: Taral Date: Fri, 4 Feb 2000 20:44:29 +0100 (CET) CC: Jan Wieck , pgsql-sql@postgreSQL.org Reply-To: Jan Wieck X-Mailer: ELM [version 2.4ME+ PL68 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit > On Fri, 4 Feb 2000, Jan Wieck wrote: > > > You cannot use a regular trigger because of your circular > > dependency. What you really need to insure integrity is the > > FOREIGN KEY support coming with 7.0. It is implemented as > > triggers too, but they are handled a little different by the > > trigger manager and their execution can be delayed until > > COMMIT. > > Does the CVS version have this support? Mostly. Look at http://www.PostgreSQL.org/projects/ to get a clue about the syntax. And follow the TODO link on http://www.PostgreSQL.org/~wieck/ to see what we still need to fix/finish until BETA. Jan -- #======================================================================# # It's easier to get forgiveness for being wrong than for being right. # # Let's break this rule - forgive me. # #========================================= wieck@debis.com (Jan Wieck) #