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 DA923D1B751 for ; Fri, 25 Jun 2004 02:09:29 -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 89897-02 for ; Fri, 25 Jun 2004 05:09:24 +0000 (GMT) Received: from rock.spider.ru (rock.spider.ru [62.183.34.226]) by svr1.postgresql.org (Postfix) with ESMTP id BE6A5D1B53B for ; Fri, 25 Jun 2004 02:09:22 -0300 (ADT) Received: from rock (localhost [127.0.0.1]) by rock (Postfix) with SMTP id 8803391261 for ; Fri, 25 Jun 2004 09:09:21 +0400 (MSD) Received: from sad.localnet.ru (sad.localnet.ru [10.0.0.33]) by rock.spider.ru (Postfix) with ESMTP id B76409128D for ; Fri, 25 Jun 2004 09:09:20 +0400 (MSD) Content-Type: text/plain; charset="iso-8859-1" From: sad (by way of sad ) Organization: IT Subject: Re: feature request ? Date: Fri, 25 Jun 2004 08:16:47 +0400 User-Agent: KMail/1.4.3 To: pgsql-sql@postgresql.org MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Message-Id: <200406250816.47781.sad@bankir.ru> 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: 200406/249 X-Sequence-Number: 18194 > Very simply, a boolean may have to values: true or false. It's also > possible that it's not been set to anything (NULL). really ? what about (13 < NULL)::BOOL