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 1kUyN0-0005s0-GM for pgsql-hackers@arkaria.postgresql.org; Tue, 20 Oct 2020 20:36:34 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1kUyMz-00005y-FC for pgsql-hackers@arkaria.postgresql.org; Tue, 20 Oct 2020 20:36:33 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kUyMz-00005q-8Q for pgsql-hackers@lists.postgresql.org; Tue, 20 Oct 2020 20:36:33 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kUyMw-0005Gi-V4 for pgsql-hackers@postgresql.org; Tue, 20 Oct 2020 20:36:32 +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 09KKaPGd676047; Tue, 20 Oct 2020 16:36:25 -0400 From: Tom Lane To: Robert Haas cc: Peter Eisentraut , Andres Freund , pgsql-hackers Subject: Re: Hash support for row types In-reply-to: References: <38eccd35-4e2d-6767-1b3c-dada1eac3124@2ndquadrant.com> <20201019233234.r6lyxbvdg5s77rvd@alap3.anarazel.de> Comments: In-reply-to Robert Haas message dated "Tue, 20 Oct 2020 14:41:08 -0400" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <676045.1603226185.1@sss.pgh.pa.us> Date: Tue, 20 Oct 2020 16:36:25 -0400 Message-ID: <676046.1603226185@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Robert Haas writes: > Do we need to worry about what happens if somebody modifies the > opclass/opfamily definitions? There's a lot of places that you can break by doing that. I'm not too concerned about it. regards, tom lane