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 1iwLpc-0000L9-IN for pgsql-hackers@arkaria.postgresql.org; Tue, 28 Jan 2020 08:02:44 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1iwLpb-0002YS-Bz for pgsql-hackers@arkaria.postgresql.org; Tue, 28 Jan 2020 08:02:43 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1iwLpa-0002YL-W9 for pgsql-hackers@lists.postgresql.org; Tue, 28 Jan 2020 08:02:43 +0000 Received: from wout3-smtp.messagingengine.com ([64.147.123.19]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1iwLpY-0006IO-5t for pgsql-hackers@lists.postgresql.org; Tue, 28 Jan 2020 08:02:41 +0000 Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.west.internal (Postfix) with ESMTP id 81ED931C; Tue, 28 Jan 2020 03:02:38 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute7.internal (MEProxy); Tue, 28 Jan 2020 03:02:38 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=DM3JilRWh9hL0mSECA9diZjWdlpIEQWKCRGxZY9j3 I4=; b=YK+GhkPwydeCJHwY/e2kwIDPniNkju4M7/8htqENFdK9QzH5yG+YSMrK2 eR9aHEzQeyiDpQWlxgDdF954E/UPUWxR+IHPBQIwZMQrrlXOMCbiyXRemqi6TS8P RfEsAGFCihPnRRcaei9TDv5Sa0OvT48O0iQmx/Q4NYIpyt/I4n/hXa0sB1EsTEWG y+k1zdhzIv4lMebDq1i+/26cZV4wNArlsubmL4ShNIoy0VMUXEJuW9bFd8Jk66hi p/TtL0swXg7419j3a+Y6fXpAx2CMESHt1PLMegXW0iH9rrJhJn1Nc7IfKOd08Mzz v6D1iVUG9/2En6KGr8WaQy1E+p/Kw== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedugedrfeefgdduudegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepuffvfhfhohfkffgfgggjtgfgsehtkeertddtfeejnecuhfhrohhmpefrvght vghrucfgihhsvghnthhrrghuthcuoehpvghtvghrrdgvihhsvghnthhrrghuthesvdhnug hquhgrughrrghnthdrtghomheqnecuffhomhgrihhnpedvnhguqhhurggurhgrnhhtrdgt ohhmnecukfhppeelfedrvdegvddrvdehhedrudduvdenucevlhhushhtvghrufhiiigvpe dtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehpvghtvghrrdgvihhsvghnthhrrghuthes vdhnughquhgrughrrghnthdrtghomh X-ME-Proxy: Received: from april.pezone.net (p5df2ff70.dip0.t-ipconnect.de [93.242.255.112]) by mail.messagingengine.com (Postfix) with ESMTPA id 04BC3306B510; Tue, 28 Jan 2020 03:02:36 -0500 (EST) Subject: Re: Allow to_date() and to_timestamp() to accept localized names To: Tom Lane References: <20200124161814.GA8989@alvherre.pgsql> <32487.1579882979@sss.pgh.pa.us> <2f83150e-a2c0-6318-3125-d9b86e421aa2@2ndquadrant.com> <964.1579884408@sss.pgh.pa.us> <7212.1580177517@sss.pgh.pa.us> Cc: =?UTF-8?Q?Juan_Jos=c3=a9_Santamar=c3=ada_Flecha?= , Alvaro Herrera , Arthur Zakirov , Tomas Vondra , PostgreSQL Hackers From: Peter Eisentraut Organization: 2ndQuadrant Message-ID: Date: Tue, 28 Jan 2020 09:02:36 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <7212.1580177517@sss.pgh.pa.us> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk On 2020-01-28 03:11, Tom Lane wrote: > The other question your example raises is whether we should be trying > to de-accent before comparison, ie was it right for 'Ιανουάριος' to > be treated differently from 'Ιανουαριος'. I don't know enough Greek > to say, but it kind of feels like that should be outside to_date's > purview. To clarify, nothing in my examples was meant to imply that de-accenting might be necessary. AFAICT, the accented forms are the only linguistically acceptable forms and all the locale libraries accept them correctly in their accented forms. -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services