X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by postgresql.org (Postfix) with ESMTP id 673A89DCAAF for ; Mon, 6 Feb 2006 07:01:38 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 32068-09 for ; Mon, 6 Feb 2006 07:01:40 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey- Received: from mail.metronet.co.uk (mail.metronet.co.uk [213.162.97.75]) by postgresql.org (Postfix) with ESMTP id 2F8BB9DCA11 for ; Mon, 6 Feb 2006 07:01:36 -0400 (AST) Received: from mainbox.archonet.com (84-51-143-99.archon037.adsl.metronet.co.uk [84.51.143.99]) by smtp.metronet.co.uk (MetroNet Mail) with ESMTP id 1778140DF83; Mon, 6 Feb 2006 11:01:35 +0000 (GMT) Received: from [192.168.1.17] (client17.office.archonet.com [192.168.1.17]) by mainbox.archonet.com (Postfix) with ESMTP id 594D715EA4; Mon, 6 Feb 2006 11:01:34 +0000 (GMT) Message-ID: <43E72C8E.7020607@archonet.com> Date: Mon, 06 Feb 2006 11:01:34 +0000 From: Richard Huxton User-Agent: Thunderbird 1.5 (X11/20051201) MIME-Version: 1.0 To: =?ISO-8859-1?Q?Josep_Sanmart=ED?= Cc: =?ISO-8859-1?Q?William_Leite_Ara=FAjo?= , pgsql-sql@postgresql.org Subject: Re: Trigger on a column References: <43E71A6C.6070104@openwired.net> <43E72966.4090100@openwired.net> In-Reply-To: <43E72966.4090100@openwired.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, score=0.116 required=5 tests=[AWL=0.116] X-Spam-Score: 0.116 X-Spam-Level: X-Archive-Number: 200602/46 X-Sequence-Number: 24056 Josep Sanmart=ED wrote: > Hi, >=20 > readding around I just found this: > The CREATE TRIGGER statement in PostgreSQL implements a subset of the=20 > SQL99 standard. (There are no provisions for triggers in SQL92.) The=20 > following functionality IS MISSING: > * SQL99 allows triggers to fire on updates to specific columns (e.g.,=20 > AFTER UPDATE OF col1, col2). > * ..... >=20 > Does anybody know if that's true on version postgresql (PostgreSQL)=20 > 8.1.2? Because I don't actually know from what version that sentence is= =2E Yes it is true for the current version. Up-to-date documentation always ships with a release and is also=20 available on the website. --=20 Richard Huxton Archonet Ltd