Received: from malur.postgresql.org ([2a02:16a8:dc51::56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1g00JZ-0006jG-9I for pgsql-hackers@arkaria.postgresql.org; Wed, 12 Sep 2018 08:15:57 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1g00JW-00042a-IH for pgsql-hackers@arkaria.postgresql.org; Wed, 12 Sep 2018 08:15:54 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1g00JW-00042T-BC for pgsql-hackers@lists.postgresql.org; Wed, 12 Sep 2018 08:15:54 +0000 Received: from feynman.df7cb.de ([195.49.152.168]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1g00JS-00049G-C5 for pgsql-hackers@postgresql.org; Wed, 12 Sep 2018 08:15:53 +0000 Received: from msg.df7cb.de (unknown [IPv6:2003:5b:203b:100:7627:eaff:fe52:8e03]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by feynman.df7cb.de (Postfix) with ESMTPSA id 429F382zsnz3Dx4; Wed, 12 Sep 2018 10:15:48 +0200 (CEST) Date: Wed, 12 Sep 2018 10:15:48 +0200 From: Christoph Berg To: Thomas Munro Cc: Peter Eisentraut , Pg Hackers Subject: Re: Collation versioning Message-ID: <20180912081547.GA24584@msg.df7cb.de> Mail-Followup-To: Christoph Berg , Thomas Munro , Peter Eisentraut , Pg Hackers References: <20180905191014.GA29241@msg.df7cb.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Re: Thomas Munro 2018-09-07 > 2. We could remove datcollate and datctype and instead store a > collation OID. I'm not sure what problems would come up, but for > starters it seems a bit weird to have a shared catalog pointing to > rows in a non-shared catalog. Naive idea: make that catalog shared? Collations are system-wide after all. Christoph