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 1tl96S-009edY-8n for pgsql-general@arkaria.postgresql.org; Thu, 20 Feb 2025 16:08:44 +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 1tl96Q-0096Sd-Nu for pgsql-general@arkaria.postgresql.org; Thu, 20 Feb 2025 16:08:42 +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 1tl96P-0096SE-F5 for pgsql-general@lists.postgresql.org; Thu, 20 Feb 2025 16:08:42 +0000 Received: from fhigh-b6-smtp.messagingengine.com ([202.12.124.157]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tl96M-001zK1-0h for pgsql-general@lists.postgresql.org; Thu, 20 Feb 2025 16:08:41 +0000 Received: from phl-compute-07.internal (phl-compute-07.phl.internal [10.202.2.47]) by mailfhigh.stl.internal (Postfix) with ESMTP id 5FAD1254015A; Thu, 20 Feb 2025 11:08:35 -0500 (EST) Received: from phl-mailfrontend-01 ([10.202.2.162]) by phl-compute-07.internal (MEProxy); Thu, 20 Feb 2025 11:08:35 -0500 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=fm2; t=1740067715; x=1740154115; bh=D9ZF0OYAmsDiTY1Og+l5PB+5BcvcCvLMaGYaCKwgqP4=; b= Sjy8TFEIEk0i52+dmwGtZ8mIv7YF7C/O+LPKue8ZKlLbIIjvNDaeQC2aUTzrCnhu 6zRxp3/Q7tMQDmOKYRmnclq9tEIH5EfiqumkQRmz5F8dj7x8u9ASenQ9uYiFk3Jw LeTgvD970Do7ILREMOy6jsEdbTqNSN02HiX/r7DV4O97b1n99+OuncnTwORLxBTQ u8xwaqONjYPijFusa4oXaBQq04SQvv5r8lK2GwrOWFdX1f75JcOL8hEzqU4l2bJP UD1H5FvOk/TFNlRqoGlh3uyCHVnkoZipTvT/p9A+OTk7IH5q5KjGkbr908DvU0uA dCsv2NMr1rpjd1yaMvCV1A== 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=fm3; t=1740067715; x=1740154115; bh=D 9ZF0OYAmsDiTY1Og+l5PB+5BcvcCvLMaGYaCKwgqP4=; b=zRKKe7tSTrs1aYtab ttQQCYyOiDHNmDke0ijD+imt1qUJTx6dZmM8VzXz5B3ucbY0if98CLJ6tySB3CB4 HR6S81IaQUVL3yMLQa9fcZMU7RDQ+J5z1su5YSgEAk79rPyh6o1d70cWvbbKNADe KSOjDFac67TL0o6lG5MLML4y52bqn2DAVGEAxAlRNJOeptZZOoh14aark9q+hAPW Y1dv1bb87761aZnIudVCPQNSLRdPjZNEuImVmcf9PfOdfXGIDUx+0quvcg5hV1rE Uxzmb88CJkuCdE36zwHSpcMzD6126jP19irF6z4W5tknOyRQamI8H9z3NIH4pore gnGag== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdeijeehhecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpggftfghnshhusghstghrihgsvgdp uffrtefokffrpgfnqfghnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivg hnthhsucdlqddutddtmdenucfjughrpefkffggfgfuvfhfhfgjtgfgsehtjeertddtvdej necuhfhrohhmpeetughrihgrnhcumfhlrghvvghruceorggurhhirghnrdhklhgrvhgvrh esrghklhgrvhgvrhdrtghomheqnecuggftrfgrthhtvghrnhepfedtieegheeutddtuefg keefheeihffffffghfdtgfduudeiveehudfhveeutdelnecuffhomhgrihhnpegusghiqd hsvghrvhhitggvshdrtghomhdpphhoshhtghhrvghsqhhlrdhorhhgnecuvehluhhsthgv rhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomheprggurhhirghnrdhklhgrvh gvrhesrghklhgrvhgvrhdrtghomhdpnhgspghrtghpthhtohepvddpmhhouggvpehsmhht phhouhhtpdhrtghpthhtohepugguvghvihgvnhhnvgesghhmrghilhdrtghomhdprhgtph htthhopehpghhsqhhlqdhgvghnvghrrghlsehlihhsthhsrdhpohhsthhgrhgvshhqlhdr ohhrgh X-ME-Proxy: Feedback-ID: i76984098:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 20 Feb 2025 11:08:34 -0500 (EST) Message-ID: <7664f6c2-6c61-45a4-ac0c-327733ed4826@aklaver.com> Date: Thu, 20 Feb 2025 08:08:33 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: v18 virtual columns To: Dominique Devienne , pgsql-general@lists.postgresql.org References: 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 2/20/25 05:06, Dominique Devienne wrote: > Hi. I've just read > https://www.dbi-services.com/blog/postgresql-18-virtual-generated-columns/ > > and I'm wondering whether there will be a way to ALTER existing STORED > generated columns, to be virtual? W/o rewriting the whole table that is. Nothing that I see here: https://www.postgresql.org/docs/devel/sql-altertable.html > > Thanks, --DD -- Adrian Klaver adrian.klaver@aklaver.com