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 1mxi42-0004xs-T9 for pgsql-hackers@arkaria.postgresql.org; Thu, 16 Dec 2021 04:08:19 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1mxi41-0006SL-MB for pgsql-hackers@arkaria.postgresql.org; Thu, 16 Dec 2021 04:08:17 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mxi41-0006QM-9S for pgsql-hackers@lists.postgresql.org; Thu, 16 Dec 2021 04:08:17 +0000 Received: from mail-io1-xd34.google.com ([2607:f8b0:4864:20::d34]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1mxi3u-0008RK-9X for pgsql-hackers@lists.postgresql.org; Thu, 16 Dec 2021 04:08:16 +0000 Received: by mail-io1-xd34.google.com with SMTP id y16so33447725ioc.8 for ; Wed, 15 Dec 2021 20:08:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=telsasoft-com.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=QAr4KlkA9U263K5PyUfykYcilYkZQ/cL4IWgQjvfbSE=; b=VajxI4YfsINWKrLs/yOsS3GodEdw8J1m+Oc3UVkz6hvQErB0lvhTK/SrdEX1yB5Rn3 KqfvcaClFT06VSntRNU4vu59jfJtV4w88n0zuR7fNX0PJkA8I/S2m0d7aDG4xAkBHCk3 b8yFw+HuUk+TiG/FKs+DpaNfojppNYkatTS5GkUFYCeyDRu9MdKu2Bu7xVDIRh6w8+hm A+Di9VRHVdgy9qAefKglznub8H2sRXHFF5UAa4peE7EX3zGa27LpB8WzCE1ctTMSEOCI u6wHVw4pICh/Ub3R895HwrKpIl7KDVTy/4njeOfdqUui2esxwvE8rt8U8fWKfhEgcbR3 b7KA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=QAr4KlkA9U263K5PyUfykYcilYkZQ/cL4IWgQjvfbSE=; b=kOPrKtgy3dy/F/paqD3+qmIGF50KGjlwGEBJBc8mPE4PoLPbagvUcls73w4h8RQswP yXKWwXR2FgFyyA7cEvIzHwRN9htFR2/9qivFHoCft7DDLXWqvbKlswE6vS0G2Eo/hEcQ PdDe1qRmSYvmjOqOke3OpGkKYcvKAE2LQ4PP67bneOopzVDSpK3nAVAPgnslhRik5Qqj PvvlhXqiNbQVpIVKl8L4Z6bqmCMVIq0M4WW/G0KoEQeqTBOcmc23cK11RtLKFc8kPwFE qtRqxMZsXri7tJ94fDOZ0G38kEPuBqsmeom+K7xukhaxYqYX7rhiDOmnihsMDWahcBVP KhYw== X-Gm-Message-State: AOAM532sr+Zj5oFtTVRbpLT/cun3d3/WoTVktvQgvKLaQJ5BCKMbyc7V BIf1yLPiNZxQTsB8cRwwinv8vg== X-Google-Smtp-Source: ABdhPJyd883oJleCR5o0MEJwIqIETN/CoX6Mf1KG7Y9dZ9WMRysbynCyUUxp84Eyzy68U8ZixZf8PA== X-Received: by 2002:a05:6638:389a:: with SMTP id b26mr8013741jav.197.1639627689294; Wed, 15 Dec 2021 20:08:09 -0800 (PST) Received: from pryzbyj.telsasoft (charmander.telsasoft.com. [50.244.222.1]) by smtp.gmail.com with ESMTPSA id b8sm2178869ilj.0.2021.12.15.20.08.08 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 15 Dec 2021 20:08:08 -0800 (PST) Received: by pryzbyj.telsasoft (Postfix, from userid 1000) id 044F6800F96; Wed, 15 Dec 2021 22:08:07 -0600 (CST) Date: Wed, 15 Dec 2021 22:08:07 -0600 From: Justin Pryzby To: Tom Lane Cc: Peter Eisentraut , Andrew Dunstan , Andres Freund , Robert Haas , Bruce Momjian , Alvaro Herrera , pgsql-hackers@lists.postgresql.org Subject: Re: pg_dump versus ancient server versions Message-ID: <20211216040807.GY17618@telsasoft.com> References: <20211202221607.xovsdnoh5tpbnhbs@alap3.anarazel.de> <196b40be-c571-e77f-3335-920f8a00047f@enterprisedb.com> <2316211.1638556231@sss.pgh.pa.us> <2978297.1638751274@sss.pgh.pa.us> <3794414.1639072240@sss.pgh.pa.us> <6f92dea3-9619-be68-239f-8990a832b453@dunslane.net> <70194.1639290264@sss.pgh.pa.us> <556122.1639520324@sss.pgh.pa.us> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <556122.1639520324@sss.pgh.pa.us> User-Agent: Mutt/1.9.4 (2018-02-28) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Tue, Dec 14, 2021 at 05:18:44PM -0500, Tom Lane wrote: > I wrote: > > Anyway, it seems like there's some consensus that 9.2 is a good > > stopping place for today. I'll push forward with > > (1) back-patching as necessary to make 9.2 and up build cleanly > > on the platforms I have handy; > > (2) ripping out pg_dump's support for pre-9.2 servers; > > (3) ripping out psql's support for pre-9.2 servers. > > I've completed the pg_dump/pg_dumpall part of that, but while Is it possible to clean up pg_upgrade, too ? -- Justin