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 63938D1B1D1 for ; Thu, 8 Jul 2004 09:58:42 -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 30594-02 for ; Thu, 8 Jul 2004 12:58:37 +0000 (GMT) Received: from news.hub.org (news.hub.org [200.46.204.72]) by svr1.postgresql.org (Postfix) with ESMTP id CB278D1B19F for ; Thu, 8 Jul 2004 09:58:32 -0300 (ADT) Received: from news.hub.org (news.hub.org [200.46.204.72]) by news.hub.org (8.12.9/8.12.9) with ESMTP id i68CwWi7097768 for ; Thu, 8 Jul 2004 12:58:32 GMT (envelope-from news@news.hub.org) Received: (from news@localhost) by news.hub.org (8.12.9/8.12.9/Submit) id i68CrRDf096844 for pgsql-sql@postgresql.org; Thu, 8 Jul 2004 12:53:27 GMT Date: Thu, 08 Jul 2004 14:53:29 +0200 From: Gerwin Philippo User-Agent: Mozilla Thunderbird 0.7.1 (Windows/20040626) X-Accept-Language: en-us, en MIME-Version: 1.0 X-Newsgroups: comp.databases.postgresql.sql Subject: Re: append columns that are null References: <40ec1043$0$559$e4fe514c@news.xs4all.nl> <40ecf718$0$36169$e4fe514c@news.xs4all.nl> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Lines: 30 Message-ID: <40ed43c9$0$559$e4fe514c@news.xs4all.nl> X-Complaints-To: abuse@xs4all.nl To: pgsql-sql@postgresql.org X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.0 tagged_above=0.0 required=5.0 tests= X-Spam-Level: X-Archive-Number: 200407/52 X-Sequence-Number: 18304 I'd be out of work very soon :( nobody wrote: > You are welcome. Only if all problems were that simple ;-)... > "Gerwin Philippo" wrote in message > news:40ecf718$0$36169$e4fe514c@news.xs4all.nl... > >>THX! didn't know that one yet :) >> >>nobody wrote: >> >>>"Gerwin Philippo" wrote in message >>>news:40ec1043$0$559$e4fe514c@news.xs4all.nl... >>> >>> >>>>I have function that appends 2 columns, like >>>>"new.field1 = new.field2||new.field3", >>>>but when field 3 is null, then the entire outcome is null, while I >>>>expected just field2, since when I append nothing to field2, I get >>>>field2, right? >>>>Is this standard behaviour, and if so, is there another append function >>>>that I can use that doesn't behave like this? >>> >>> >>>COALESCE is your friend... >>> >>> > > >