Received: from localhost (unknown [200.46.208.211]) by mail.postgresql.org (Postfix) with ESMTP id C719F634B06 for ; Tue, 23 Jun 2009 12:27:04 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.208.211]) (amavisd-maia, port 10024) with ESMTP id 25215-05 for ; Tue, 23 Jun 2009 12:27:03 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by mail.postgresql.org (Postfix) with ESMTP id 96FE5634A01 for ; Tue, 23 Jun 2009 12:27:03 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id n5NFQxrZ016730; Tue, 23 Jun 2009 11:26:59 -0400 (EDT) To: Harald Fuchs cc: pgsql-sql@postgresql.org Subject: Re: Composite primary keys In-reply-to: References: Comments: In-reply-to Harald Fuchs message dated "Tue, 23 Jun 2009 17:14:36 +0200" Date: Tue, 23 Jun 2009 11:26:59 -0400 Message-ID: <16729.1245770819@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.091 tagged_above=0 required=5 tests=AWL=0.091 X-Spam-Level: X-Archive-Number: 200906/92 X-Sequence-Number: 32697 Harald Fuchs writes: > I tried to throw some invalid SQL to PostgreSQL and found its reaction > confusing: > test(# language char(3) NULL, This is documented as being a no-op specification. regards, tom lane