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 1htGWF-0000Zf-Hw for pgsql-hackers@arkaria.postgresql.org; Thu, 01 Aug 2019 19:13:43 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1htGWE-0007nX-4D for pgsql-hackers@arkaria.postgresql.org; Thu, 01 Aug 2019 19:13:42 +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 1htGWD-0007kz-Qh for pgsql-hackers@lists.postgresql.org; Thu, 01 Aug 2019 19:13:41 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1htGW7-0004hT-2g for pgsql-hackers@postgresql.org; Thu, 01 Aug 2019 19:13:41 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.4/8.14.4) with ESMTP id x71JDN6P018338; Thu, 1 Aug 2019 15:13:23 -0400 From: Tom Lane To: Andres Freund cc: Shay Rojansky , Thomas Munro , Andrew Gierth , Robert Haas , Stephen Frost , Christoph Berg , PostgreSQL Hackers Subject: Re: UCT (Re: pgsql: Update time zone data files to tzdata release 2019a.) In-reply-to: <20190801182523.z6onphd2tqkjf2ch@alap3.anarazel.de> References: <8736jwsdv2.fsf@news-spur.riddles.org.uk> <17148.1561568815@sss.pgh.pa.us> <87y31oq9g6.fsf@news-spur.riddles.org.uk> <3961.1564086915@!sss.pgh.pa.us> <5560.1564668481@sss.pgh.pa.us> <20190801171951.pzpp5ywdn4pgqjzc@alap3.anarazel.de> <8331.1564682351@sss.pgh.pa.us> <20190801182523.z6onphd2tqkjf2ch@alap3.anarazel.de> Comments: In-reply-to Andres Freund message dated "Thu, 01 Aug 2019 11:25:23 -0700" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <18330.1564686803.1@sss.pgh.pa.us> Date: Thu, 01 Aug 2019 15:13:23 -0400 Message-ID: <18331.1564686803@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Andres Freund writes: > Fair enough. I'm mildly worried that people will just carry their > timezone setting from one version's postgresql.conf to the next as they > upgrade. Maybe. I don't believe pg_upgrade copies over the old postgresql.conf, and I doubt we should consider it good practice in any case. regards, tom lane