Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hrAVd-0006GT-S2 for pgsql-hackers@arkaria.postgresql.org; Sat, 27 Jul 2019 00:24:25 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1hrAVc-0006Yk-OF for pgsql-hackers@arkaria.postgresql.org; Sat, 27 Jul 2019 00:24:24 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hrAVc-0006TB-AR for pgsql-hackers@lists.postgresql.org; Sat, 27 Jul 2019 00:24:24 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.92) (envelope-from ) id 1hrAVZ-0005Wa-IG for pgsql-hackers@postgresql.org; Sat, 27 Jul 2019 00:24:22 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.4/8.14.4) with ESMTP id x6R0OGJn017998; Fri, 26 Jul 2019 20:24:16 -0400 From: Tom Lane To: Andres Freund cc: Alvaro Herrera , Rui Hai Jiang , Robert Haas , PostgreSQL Hackers Subject: Re: TopoSort() fix In-reply-to: <20190726234835.xqyfukqhhzdiqoih@alap3.anarazel.de> References: <20190726220538.GA17809@alvherre.pgsql> <20190726234835.xqyfukqhhzdiqoih@alap3.anarazel.de> Comments: In-reply-to Andres Freund message dated "Fri, 26 Jul 2019 16:48:35 -0700" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <17996.1564187056.1@sss.pgh.pa.us> Date: Fri, 26 Jul 2019 20:24:16 -0400 Message-ID: <17997.1564187056@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Andres Freund writes: > On 2019-07-26 18:05:38 -0400, Alvaro Herrera wrote: >> Hello, is anybody looking into this issue? > I guess this is on Robert's docket otherwise. He's on vacation till > early next week... I think this is a sufficiently obvious bug, and a sufficiently obvious fix, that we should just fix it and not insist on getting a reproducible test case first. I think a test case would soon bit-rot anyway, and no longer exercise the problem. I certainly do *not* want to wait so long that we miss the upcoming minor releases. regards, tom lane