Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1XRpCg-0003J0-S4 for pgsql-hackers@arkaria.postgresql.org; Wed, 10 Sep 2014 21:13:26 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1XRpCg-0004uO-BI for pgsql-hackers@arkaria.postgresql.org; Wed, 10 Sep 2014 21:13:26 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1XRpCe-0004rh-BR for pgsql-hackers@postgresql.org; Wed, 10 Sep 2014 21:13:24 +0000 Received: from momjian.us ([72.94.173.45]) by magus.postgresql.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1XRpCb-0001yY-Hp for pgsql-hackers@postgresql.org; Wed, 10 Sep 2014 21:13:23 +0000 Received: from bruce by momjian.us with local (Exim 4.72) (envelope-from ) id 1XRpCY-0002ho-3v; Wed, 10 Sep 2014 17:13:18 -0400 Date: Wed, 10 Sep 2014 17:13:18 -0400 From: Bruce Momjian To: Robert Haas Cc: Josh Berkus , Alvaro Herrera , "pgsql-hackers@postgresql.org" Subject: Re: Need Multixact Freezing Docs Message-ID: <20140910211318.GD21173@momjian.us> References: <534EC69B.9010107@agliodbs.com> <20140416203057.GQ5822@eldon.alvh.no-ip.org> <534EEA8E.5070407@agliodbs.com> <20140828160945.GQ7046@eldon.alvh.no-ip.org> <53FF5991.9060302@agliodbs.com> <20140903001859.GB14893@momjian.us> <20140905233936.GA20146@momjian.us> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140905233936.GA20146@momjian.us> User-Agent: Mutt/1.5.20 (2009-06-14) X-Pg-Spam-Score: -4.4 (----) 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 Fri, Sep 5, 2014 at 07:39:36PM -0400, Bruce Momjian wrote: > On Wed, Sep 3, 2014 at 05:17:17PM -0400, Robert Haas wrote: > > > I had a look at this and came upon a problem --- there is no multi-xid > > > SQL data type, and in fact the system catalogs that store mxid values > > > use xid, e.g.: > > > > > > relminmxid | xid | not null > > > > > > With no mxid data type, there is no way to do function overloading to > > > cause age to call the mxid variant. > > > > > > Should we use an explicit mxid_age() function name? Add an mxid data > > > type? > > > > Maybe both. But mxid_age() is probably the simpler way forward just to start. > > OK, patch applied using mxid_age() and no new data type. Applied. -- Bruce Momjian http://momjian.us EnterpriseDB http://enterprisedb.com + Everyone has their own god. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers