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 4.96) (envelope-from ) id 1vv1rc-00Haja-0i for pgsql-hackers@arkaria.postgresql.org; Tue, 24 Feb 2026 23:30:48 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vv1rZ-003zdD-36 for pgsql-hackers@arkaria.postgresql.org; Tue, 24 Feb 2026 23:30:45 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vv1rZ-003zd5-23 for pgsql-hackers@lists.postgresql.org; Tue, 24 Feb 2026 23:30:45 +0000 Received: from sss.pgh.pa.us ([68.162.161.243]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1vv1rV-0000000121R-2TsK for pgsql-hackers@lists.postgresql.org; Tue, 24 Feb 2026 23:30:44 +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 61ONUZrg4053110; Tue, 24 Feb 2026 18:30:35 -0500 From: Tom Lane To: Jacob Champion cc: Andrew Dunstan , Jelte Fennema-Nio , pgsql-hackers@lists.postgresql.org Subject: Re: pgsql: libpq: Grease the protocol by default In-reply-to: References: <3626145.1771885089@sss.pgh.pa.us> <3635497.1771889682@sss.pgh.pa.us> <3797860.1771893905@sss.pgh.pa.us> <3864574.1771898936@sss.pgh.pa.us> Comments: In-reply-to Jacob Champion message dated "Tue, 24 Feb 2026 14:59:04 -0800" MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-ID: <4053108.1771975835.1@sss.pgh.pa.us> Content-Transfer-Encoding: quoted-printable Date: Tue, 24 Feb 2026 18:30:35 -0500 Message-ID: <4053109.1771975835@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Jacob Champion writes: > On Tue, Feb 24, 2026 at 2:49=E2=80=AFPM Andrew Dunstan wrote: >> Here's what worked for me, even before Jacob's patch of 15 minutes or s= o >> ago. > Oh, the envvar is clever. You'll probably want to do that only for the > pg_dumpall invocation now that pg_upgrade is patched, though, so we > don't cover up regressions. I agree with Jacob on both points. regards, tom lane