Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1Vdouh-0006ao-FB for pgsql-hackers@arkaria.postgresql.org; Tue, 05 Nov 2013 22:15:55 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1Vdoug-000574-Ux for pgsql-hackers@arkaria.postgresql.org; Tue, 05 Nov 2013 22:15:55 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1Vdoue-00056t-P0 for pgsql-hackers@postgresql.org; Tue, 05 Nov 2013 22:15:52 +0000 Received: from eisentraut.org ([85.214.91.16] helo=gattler.pezone.net) by magus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1Vdouc-0008HE-Cv; Tue, 05 Nov 2013 22:15:52 +0000 Received: from jesse.mybdev.com (unknown [204.145.120.11]) by gattler.pezone.net (Postfix) with ESMTPSA id EEED059000F; Tue, 5 Nov 2013 22:15:46 +0000 (UTC) Message-ID: <52796E11.8010501@gmx.net> Date: Tue, 05 Nov 2013 17:15:45 -0500 From: Peter Eisentraut User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.0.1 MIME-Version: 1.0 To: "Arulappan, Arul Shaji" , MauMau , Greg Stark CC: Robert Haas , Tatsuo Ishii , Tom Lane , "Boguk, Maksym" , Heikki Linnakangas , PostgreSQL-development Subject: Re: UTF8 national character data type support WIP patch and list of open issues. References: <20130920.085853.1628917054830864151.t-ishii@sraoss.co.jp> <20130922.072952.1977066018971837040.t-ishii@sraoss.co.jp> <5240B212.8040307@gmx.net> <7DCFAE8265254605840917B35EEF09F1@maumau> <7C2A735AFC3E4088A8F49B677855369C@maumau> <022C711CCA8AF2459F370E936F2B9E8C0255E4BB@SYDExchTmp.au.fjanz.com> In-Reply-To: <022C711CCA8AF2459F370E936F2B9E8C0255E4BB@SYDExchTmp.au.fjanz.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -1.9 (-) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-hackers Precedence: bulk Sender: pgsql-hackers-owner@postgresql.org On 11/5/13, 1:04 AM, Arulappan, Arul Shaji wrote: > Implements NCHAR/NVARCHAR as distinct data types, not as synonyms If, per SQL standard, NCHAR(x) is equivalent to CHAR(x) CHARACTER SET "cs", then for some "cs", NCHAR(x) must be the same as CHAR(x). Therefore, an implementation as separate data types is wrong. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers