Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1k5XzA-0002jo-6Z for pgsql-bugs@arkaria.postgresql.org; Tue, 11 Aug 2020 17:22:53 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1k5Xz7-0005SK-No for pgsql-bugs@arkaria.postgresql.org; Tue, 11 Aug 2020 17:22:49 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1k5Xz5-0005SC-Sr for pgsql-bugs@lists.postgresql.org; Tue, 11 Aug 2020 17:22:49 +0000 Received: from out5-smtp.messagingengine.com ([66.111.4.29]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1k5Xz3-0000J4-BQ for pgsql-bugs@lists.postgresql.org; Tue, 11 Aug 2020 17:22:46 +0000 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 774655C00EF; Tue, 11 Aug 2020 13:22:43 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Tue, 11 Aug 2020 13:22:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=anarazel.de; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:content-transfer-encoding:in-reply-to; s=fm2; bh=n RM584TNE3NzSvs/Ba8B9BdwRj3aGBHIFGEbrXhrNks=; b=OW0uJST/EU+gsXfVT vcw5BOqQgiDWfWXBysk0Qu/I8XLnFfAKvGhzFiT9YWa6DLTnsl1kgRKRzupwj2IJ i8XVXFtjAz/LPajdXhRSZ5SLzpDv0zGnc/BMDYMOyvAobRE4dEK7Epf1fkKM/2dB 9HnTmwLHJpeNiSYHcpt9cpzdx2ANTKk8zQ5WK0MF3L0zt3fo5YT7qIydblzXWbnr YA3J4imO2V4dDCn9apkvYltydkZKQUFFmTYFMhbUOSyR40eb/e8kZyHKxW2t8GTH 2YVf5qTsxOes9M8t1ufAl2SnYofgCLN2WJwilEBJQKWw+hUxXpaiwLpWtjvHmUtN n11bg== 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=fm3; bh=nRM584TNE3NzSvs/Ba8B9BdwRj3aGBHIFGEbrXhrN ks=; b=LK0IyRNPC35NFR1gXUiKtFxsBP6WSqB6hNPQXjEhm0D/yKWTt/W9RnSOi F/PFZqNoX3cMdNVBApDynQZlbBEpvIf67Np2cbQmJmRIyCHbzbc8aNQ1khqsfDHN RPxQh+swa/m+QW3bpw1d4OMgCVEptj5OuPSQAOK+grXmu+JMMNaM5ho3xlOOGB7f JyO+qMcxCcJ80uxwJL8CYV3Fr8q8CvlkDomWuHafCaaByE/ivGibiv4yNOPJ8AFn rKZXLSTM9lZN9wJwYgejZ6NtopFbbMtQV4P1Dvh3Qv/3bJAJNXWJst7hMgwOHiPK 7tJBoTF6BV7nDm/T4yDJ7+OiKQHTA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduiedrledtgdduudegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtugfgjgesthekredttddtudenucfhrhhomheptehnughr vghsucfhrhgvuhhnugcuoegrnhgurhgvshesrghnrghrrgiivghlrdguvgeqnecuggftrf grthhtvghrnhepfffgheehieegudegkedtffdvuefhieehuedujedtleelvefgffefgfev geelfedvnecuffhomhgrihhnpehfohhrrdhnvghtnecukfhppeeijedrudeitddrvdduje drvdehtdenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhm pegrnhgurhgvshesrghnrghrrgiivghlrdguvg X-ME-Proxy: Received: from intern.anarazel.de (c-67-160-217-250.hsd1.ca.comcast.net [67.160.217.250]) by mail.messagingengine.com (Postfix) with ESMTPA id DF3C8328005A; Tue, 11 Aug 2020 13:22:42 -0400 (EDT) Date: Tue, 11 Aug 2020 10:22:41 -0700 From: Andres Freund To: Pavel Biryukov <79166341370@yandex.ru> Cc: Tom Lane , Robert Haas , PostgreSQL mailing lists Subject: Re: posgres 12 bug (partitioned table) Message-ID: <20200811172241.izeyvksgevbtvhcd@alap3.anarazel.de> References: <141051591267657@mail.yandex.ru> <1251598.1591289850@sss.pgh.pa.us> <3398357.1597160032@sss.pgh.pa.us> <1058041597161586@mail.yandex.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1058041597161586@mail.yandex.ru> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Hi, On 2020-08-11 19:02:57 +0300, Pavel Biryukov wrote: > I just want to point that Npgsql provider for .Net Core builds queries like > that (RETURNING xmin) to keep track for concurrency. Could you provide a bit more details about what that's actually used for? Regards, Andres