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 1u6uFz-007UDU-OC for pgsql-general@arkaria.postgresql.org; Mon, 21 Apr 2025 16:44:32 +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 1u6uFx-006se3-GO for pgsql-general@arkaria.postgresql.org; Mon, 21 Apr 2025 16:44:30 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1u6uFw-006sdp-87 for pgsql-general@lists.postgresql.org; Mon, 21 Apr 2025 16:44:29 +0000 Received: from fout-a8-smtp.messagingengine.com ([103.168.172.151]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1u6uFs-001G3q-06 for pgsql-general@lists.postgresql.org; Mon, 21 Apr 2025 16:44:28 +0000 Received: from phl-compute-04.internal (phl-compute-04.phl.internal [10.202.2.44]) by mailfout.phl.internal (Postfix) with ESMTP id 3B5E21380214; Mon, 21 Apr 2025 12:44:22 -0400 (EDT) Received: from phl-mailfrontend-01 ([10.202.2.162]) by phl-compute-04.internal (MEProxy); Mon, 21 Apr 2025 12:44:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aklaver.com; h= cc:content-transfer-encoding:content-type:content-type:date:date :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm1; t=1745253862; x=1745340262; bh=+DHXy/nD2FxvY2uavWiqyIvE8MI73+7SHhiK1L4bLLY=; b= lTrgGbtPuL1S4M8V2WWHj7g8hQkVzIT7h10kuuOxacMGVLN4isNEjrkurG8mQX5x nHhqrdy5/UL74nnHVtFOTkNb2dFLRtLKJYxibRdyh3dLTNEi/fxp/glhm0U6sOYh dBRgubSiuafWH1mWPF9pqMqSy7XIMxoBygG7Ti+pPo3DjigIHNyvGxAFo4PQPh0p xEiBsaA/6tYQnKLd4D4yrIcThWfPp8fxtwblCUZlpPlJ3IN7+bBJFcXfob75lU9Z r6wPtpQY1Qsn2ms7UQx6fouCMEc1XgD73Ff7DV/CWUhB35Q8aDXQTvPYD2Cgx+ez g482dyrn+hB+JAKoLeBCCg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to:x-me-proxy:x-me-sender :x-me-sender:x-sasl-enc; s=fm2; t=1745253862; x=1745340262; bh=+ DHXy/nD2FxvY2uavWiqyIvE8MI73+7SHhiK1L4bLLY=; b=wBlB8MJXTlBuPGx/f Nz4lvdrQMoQWB4vDhUWYYJCNRC2fjJJohprNTEguEz99JN7rokFWXKb3LhLUOCzi iImh/ZiUmYl5ytd3oEX1T0bVa8tirLx1LlFjOeUksJUNijD0g+hy0b/qX0s+Gmqs x5POqhWuD33n0zt3s2BPPjZBasg/eGNX9rsNg2+6aQWMsNc5q+FzKDzc/1kB82Ma 6xvCZCHxTMJ1ftnYzrHuR/a+Oqzf9FMbsDkZ5XOEBkssKo3LS4SYHK+LR7Nkkkcc pAAPQqFTajHx2Z4qymjg7Ree9Hse6q5i6+MgfL/e1HAF9VljraVVcy7FtcW5SUYY tGeqA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvgedufeeiucetufdoteggodetrf dotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdggtfgfnhhsuhgsshgtrhhisggv pdfurfetoffkrfgpnffqhgenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpih gvnhhtshculddquddttddmnecujfgurhepkfffgggfuffvfhfhjggtgfesthejredttddv jeenucfhrhhomheptegurhhirghnucfmlhgrvhgvrhcuoegrughrihgrnhdrkhhlrghvvg hrsegrkhhlrghvvghrrdgtohhmqeenucggtffrrghtthgvrhhnpeekfeehuddvjeeigfei feejtdduudffledvfeelheeftdeiffeugfdvkeelgedtvdenucffohhmrghinhepphhosh htghhrvghsqhhlrdhorhhgnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehm rghilhhfrhhomheprggurhhirghnrdhklhgrvhgvrhesrghklhgrvhgvrhdrtghomhdpnh gspghrtghpthhtohepvddpmhhouggvpehsmhhtphhouhhtpdhrtghpthhtohepthhhihgv mhhosehgvghlrghsshgvnhgvqdhpfhgvrhguvgdrsghiiidprhgtphhtthhopehpghhsqh hlqdhgvghnvghrrghlsehlihhsthhsrdhpohhsthhgrhgvshhqlhdrohhrgh X-ME-Proxy: Feedback-ID: i76984098:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 21 Apr 2025 12:44:21 -0400 (EDT) Message-ID: <37a85e85-b4ff-4164-adab-12c8dc995922@aklaver.com> Date: Mon, 21 Apr 2025 09:44:20 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Order of update To: Thiemo Kellner , pgsql-general@lists.postgresql.org References: <20250420091033.n437fdrkihtjrncd@hjp.at> <20250421084717.4edbhu6a7duiqw42@hjp.at> Content-Language: en-US From: Adrian Klaver In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On 4/21/25 09:12, Thiemo Kellner wrote: > I wonder if that is a corner case. Updating a unique key sounds to me like a design flaw in the first place. > Check out this the thread below for discussion on that topic: https://www.postgresql.org/message-id/dkbnfi$7g5$1@sea.gmane.org -- Adrian Klaver adrian.klaver@aklaver.com