Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hbtsf-0004Ru-4U for pgsql-hackers@arkaria.postgresql.org; Fri, 14 Jun 2019 21:37:05 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1hbtse-0004dM-0G for pgsql-hackers@arkaria.postgresql.org; Fri, 14 Jun 2019 21:37:04 +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_SHA1:256) (Exim 4.89) (envelope-from ) id 1hbtsd-0004aK-Lm for pgsql-hackers@lists.postgresql.org; Fri, 14 Jun 2019 21:37:03 +0000 Received: from lungold.riddles.org.uk ([82.68.208.19]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hbtsb-0002y2-Ed for pgsql-hackers@postgresql.org; Fri, 14 Jun 2019 21:37:03 +0000 Received: from [192.168.127.1] (port=56982 helo=caithnard.riddles.org.uk) by lungold.riddles.org.uk with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.88 (FreeBSD)) (envelope-from ) id 1hbtsY-0005ah-D3; Fri, 14 Jun 2019 21:36:58 +0000 Received: from [127.0.0.1] (port=45673 helo=caithnard.riddles.org.uk) by caithnard.riddles.org.uk with esmtp (Exim 4.89 (FreeBSD)) (envelope-from ) id 1hbtsX-000Apl-Ng; Fri, 14 Jun 2019 21:36:57 +0000 From: Andrew Gierth To: Tom Lane Cc: Christoph Berg , PostgreSQL Hackers Subject: Re: UCT (Re: pgsql: Update time zone data files to tzdata release 2019a.) In-Reply-To: <7114.1560539536@sss.pgh.pa.us> (Tom Lane's message of "Fri, 14 Jun 2019 15:12:16 -0400") Message-ID: <875zp74zpf.fsf@news-spur.riddles.org.uk> References: <20190604085735.GD24018@msg.df7cb.de> <65800.1559662051@sss.pgh.pa.us> <20190605084735.GC15829@msg.df7cb.de> <24452.1560285699@sss.pgh.pa.us> <20190614095546.GA15107@msg.df7cb.de> <26948.1560517875@sss.pgh.pa.us> <87ef3w3u8a.fsf@news-spur.riddles.org.uk> <7114.1560539536@sss.pgh.pa.us> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (berkeley-unix) Date: Fri, 14 Jun 2019 22:36:57 +0100 MIME-Version: 1.0 Content-Type: text/plain List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk >>>>> "Tom" == Tom Lane writes: >> This isn't good enough, because it still picks "UCT" on a system >> with no /etc/localtime and no TZ variable. Testing on HEAD as of >> 3da73d683 (on FreeBSD, but it'll be the same anywhere else): Tom> [ shrug... ] Too bad. I doubt that that's a common situation anyway. I'm also reminded that this applies also if the /etc/localtime file is a _copy_ of the UTC zonefile rather than a symlink, which is possibly even more common. -- Andrew (irc:RhodiumToad)