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 1mevMG-0005N2-NR for pgsql-hackers@arkaria.postgresql.org; Mon, 25 Oct 2021 08:29:28 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1mevMF-0005mg-MA for pgsql-hackers@arkaria.postgresql.org; Mon, 25 Oct 2021 08:29:27 +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 1mevMF-0005mX-Dg for pgsql-hackers@lists.postgresql.org; Mon, 25 Oct 2021 08:29:27 +0000 Received: from mail-ed1-x531.google.com ([2a00:1450:4864:20::531]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1mevM9-0006DQ-MR for pgsql-hackers@lists.postgresql.org; Mon, 25 Oct 2021 08:29:26 +0000 Received: by mail-ed1-x531.google.com with SMTP id z20so16498615edc.13 for ; Mon, 25 Oct 2021 01:29:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cybertec-at.20210112.gappssmtp.com; s=20210112; h=message-id:subject:from:to:cc:date:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=9GLPJ//5HhBRPL5W7xLzodhG8KpqqL2bY0hm/L72bxM=; b=UYrYL426YHrc/TXtVc4XVEEtSjeM7L/yA0R2PUdw6/ccrFXJu82Bao1h9ntl3q3rRc /p5WMTwfVhzizuwdXBwZ6zxSxYNof6+NmhLx/v7DAO9cNspA4h4kGl35RirKWPCbJNgE 4PtUM3BF3b3ZXwxV3LhCEs0SOzNkqSzYQOQS5vD+sBQJTJpRYPMCCSYbc1tK6ZHH49ZP cFjmFJrgaT9whz8uDfxqd9wZzTfBTNwdyxoX8WVX+E6zfkOQ4Vnus/dfmJk1wrUNDCBP D37dIiZtgA9f0Rv9q/RJ155ikTyBiFSb6Qwi8Vag0A18gn9O15TiMjgkzOFfcsvtDMe6 r7HA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:user-agent:mime-version:content-transfer-encoding; bh=9GLPJ//5HhBRPL5W7xLzodhG8KpqqL2bY0hm/L72bxM=; b=mKOjNx1UG9vlhBWidsMIjrC6tHCYbgfgVJF+fOTj6Ih+xh7fSDw/hLhvyU6Mr54LH1 VidhBDeEDbXdbZoQ1zuV+9MeFsKtMTLhATqgqwjDSnUO1OtXbhkgoSf3M5xeTTcvTIYf uC229oUf/bFhuTQZ1vZRzDAyBCAfJvYwg/+BJg9uQmcienaVSVcOz4XTBuMgC12bYdN4 XNRqT9ln5KaUKsVaM0kTLqJUmR5KkVnPlwHMjPqHqW776m9UFc/ESSv88ZPV978fb0HV LofxD4j+UeYBApSRr83Cygv44wM1Ia99rcdbsDAIOE1FEUjaIEErK26vH+sB217RKYft MWkQ== X-Gm-Message-State: AOAM531lU74POw/yNuIDadHpnnpNJ583G2eUWZR5wPi9JRot2/CIdxlS cCmGR6KIyqgB9OBpoxmG0EVCEg== X-Google-Smtp-Source: ABdhPJx5YneIhsTKUuP6BWGiwYEkn3R2I8ou6ssT4fZDhtpV3iIWMRZaWe/CDfachkgR7abW00X57Q== X-Received: by 2002:a17:907:939:: with SMTP id au25mr20622934ejc.166.1635150560199; Mon, 25 Oct 2021 01:29:20 -0700 (PDT) Received: from localhost.localdomain ([88.116.133.170]) by smtp.gmail.com with ESMTPSA id s16sm8928854edd.32.2021.10.25.01.29.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Oct 2021 01:29:19 -0700 (PDT) Message-ID: <7b39fbd133400a6417855fe6ecdd1f04d6c45a34.camel@cybertec.at> Subject: Re: pg_dump versus ancient server versions From: Laurenz Albe To: Robert Haas , Tom Lane Cc: PostgreSQL Hackers , Andres Freund Date: Mon, 25 Oct 2021 10:29:19 +0200 In-Reply-To: References: <2923349.1634942313@sss.pgh.pa.us> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.40.4 (3.40.4-2.fc34) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Fri, 2021-10-22 at 19:26 -0400, Robert Haas wrote: > On Fri, Oct 22, 2021 at 6:42 PM Tom Lane wrote: > > So my first thought was just to revert 92316a458 and give up on it as > > a bad idea.  However ... does anyone actually still care about being > > able to dump from such ancient servers? > > I think I recently heard about an 8.4 server still out there in the > wild, but AFAICR it's been a long time since I've heard about anything > older. I had a customer with 8.3 in the not too distant past, but that need not stop the show. If necessary, they can dump with 8.3 and restire that. Yours, Laurenz Albe