X-Original-To: pgsql-sql-postgresql.org@postgresql.org Received: from localhost (mx1.hub.org [200.46.208.251]) by postgresql.org (Postfix) with ESMTP id 5F53F9FA646 for ; Wed, 5 Jul 2006 12:34:26 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.208.251]) (amavisd-new, port 10024) with ESMTP id 33803-08 for ; Wed, 5 Jul 2006 12:34:18 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey- Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.187]) by postgresql.org (Postfix) with ESMTP id A0C0B9FA0EC for ; Wed, 5 Jul 2006 12:34:17 -0300 (ADT) Received: from [194.25.154.138] (helo=webserv.wug.de) by mrelayeu.kundenserver.de (node=mrelayeu0) with ESMTP (Nemesis), id 0MKwh2-1Fy9OK0mOX-0005wj; Wed, 05 Jul 2006 17:34:16 +0200 Received: from kretschmer by webserv.wug.de with local (Exim 3.36 #1) id 1Fy9OJ-0003vB-00 for pgsql-sql@postgresql.org; Wed, 05 Jul 2006 17:34:15 +0200 Date: Wed, 5 Jul 2006 17:34:15 +0200 From: "A. Kretschmer" To: pgsql-sql@postgresql.org Subject: Re: Foreign Key: what value? Message-ID: <20060705153415.GA15042@webserv.wug-glas.de> Mail-Followup-To: "A. Kretschmer" , pgsql-sql@postgresql.org References: <200607051719.27466.davi@leals.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200607051719.27466.davi@leals.com> X-DEST: 208 X-MSMail-Priority: High X-Message-Flag: Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) X-OS: Linux - weil ich es mir Wert bin! X-Info: registrierter Linux-User 97922 http://counter.li.org User-Agent: mutt-ng 1.5.9i (Linux) X-Provags-ID: kundenserver.de abuse@kundenserver.de login:51ea9561fc3f6d9539a2acd743e4748c X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200607/43 X-Sequence-Number: 25617 am 05.07.2006, um 17:19:26 +0200 mailte Davi Leal folgendes: > Hi, > How to know the value which I must set in the foreign key field?. I have two > tables: > > > CREATE TABLE AAAAAA ( > Id SERIAL PRIMARY KEY, > data char(9) > ); > > CREATE TABLE BBBBBB ( > BBBBBB_Id integer REFERENCES AAAAAA(Id) NOT NULL, > field char(5) > ); > > > > > I insert a register on table AAAAAA, > > INSERT INTO AAAAAA (data) VALUES ('123456789'); > > > and then, I want to insert a related register in table BBBBBB, but I do not > know how get the proper value to the Foreign key BBBBBB_Id. Note that a lot of currval() is your friend: 17:33 < akretschmer> ??currval 17:33 < pg_docbot_ads> For information about 'currval' see: 17:33 < pg_docbot_ads> http://www.postgresql.org/docs/current/static/functions-sequence.html HTH, Andreas -- Andreas Kretschmer (Kontakt: siehe Header) Heynitz: 035242/47215, D1: 0160/7141639 GnuPG-ID 0x3FFF606C http://wwwkeys.de.pgp.net === Schollglas Unternehmensgruppe ===