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 1qvJY7-004Sto-Dc for pgsql-hackers@arkaria.postgresql.org; Tue, 24 Oct 2023 15:42:31 +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 1qvJY4-0097Cw-Bn for pgsql-hackers@arkaria.postgresql.org; Tue, 24 Oct 2023 15:42:29 +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 1qvJY4-0097Cn-1i for pgsql-hackers@lists.postgresql.org; Tue, 24 Oct 2023 15:42:28 +0000 Received: from sss.pgh.pa.us ([68.162.161.243]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qvJXy-002U4n-3l for pgsql-hackers@lists.postgresql.org; Tue, 24 Oct 2023 15:42:28 +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 39OFgFIW570834; Tue, 24 Oct 2023 11:42:15 -0400 From: Tom Lane To: Christoph Berg cc: Tommy Pavlicek , Dagfinn Ilmari =?iso-8859-1?Q?Manns=E5ker?= , pgsql-hackers@lists.postgresql.org, Tomas Vondra , jian.universality@gmail.com Subject: Re: [PATCH] Extend ALTER OPERATOR to support adding commutator, negator, hashes, and merges In-reply-to: References: <4082750.1687455374@sss.pgh.pa.us> <15382.1687519306@sss.pgh.pa.us> <1092363.1695932314@sss.pgh.pa.us> <447166.1696969927@sss.pgh.pa.us> <560086.1698160614@sss.pgh.pa.us> Comments: In-reply-to Christoph Berg message dated "Tue, 24 Oct 2023 17:31:43 +0200" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <570832.1698162135.1@sss.pgh.pa.us> Date: Tue, 24 Oct 2023 11:42:15 -0400 Message-ID: <570833.1698162135@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Christoph Berg writes: > Anyway, if this doesn't raise any "oh we didn't think of this" > concerns, we'll just remove the old operators in pgsphere. Well, the idea was exactly to forbid that sort of setup. However, if we get sufficient pushback maybe we should reconsider --- for example, maybe it'd be sane to enforce the restriction in ALTER but not CREATE? I'm inclined to wait and see if there are more complaints. regards, tom lane