Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1r3HAN-002taX-AR for pgsql-docs@arkaria.postgresql.org; Wed, 15 Nov 2023 14:46:55 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1r3HAL-00HTZm-Ff for pgsql-docs@arkaria.postgresql.org; Wed, 15 Nov 2023 14:46:53 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1r3HAL-00HTZd-7S for pgsql-docs@lists.postgresql.org; Wed, 15 Nov 2023 14:46:53 +0000 Received: from sss.pgh.pa.us ([68.162.161.243]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1r3HAI-005iAA-KN for pgsql-docs@lists.postgresql.org; Wed, 15 Nov 2023 14:46:51 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 3AFEkhiG2657882; Wed, 15 Nov 2023 09:46:44 -0500 From: Tom Lane To: Erik Wienhold cc: Peter Eisentraut , Roman =?utf-8?Q?Fro=C5=82ow?= , pgsql-docs@lists.postgresql.org Subject: Re: T is a mandatory date time separator in RFC3339 but documentation states differently In-reply-to: References: <7njdkzeco47heg6tglzsm5wmmbb56vd66f7pta6gazb2k52viu@av3wruqnylpp> <2037453.1699892596@sss.pgh.pa.us> <408aa3cd-0085-41c3-855c-3d51a1bc55d3@eisentraut.org> <78c14be8-47f2-4624-9d98-3730b492977e@eisentraut.org> Comments: In-reply-to Erik Wienhold message dated "Wed, 15 Nov 2023 13:47:45 +0100" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2657880.1700059603.1@sss.pgh.pa.us> Date: Wed, 15 Nov 2023 09:46:43 -0500 Message-ID: <2657881.1700059603@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Erik Wienhold writes: > On 2023-11-15 12:53 +0100, Peter Eisentraut wrote: >> I think we should reframe "ISO" to mean "ISO 9075" and remove all claims of >> alignment with ISO 8601 and RFC 3339. > Agree. So just list the example inputs without any reference to a > particular standard, except for ISO 9075 to show that Postgres is > SQL-standard-compliant? I think that would remove useful context without actually improving anything. (The datetime input code would be far simpler if it meant only to read the exact format mentioned in the SQL spec.) regards, tom lane