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 1hPC91-000644-1P for pgsql-hackers@arkaria.postgresql.org; Fri, 10 May 2019 20:29:27 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1hPC8z-0007OH-Fe for pgsql-hackers@arkaria.postgresql.org; Fri, 10 May 2019 20:29:25 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hPC8z-0007OA-7P for pgsql-hackers@lists.postgresql.org; Fri, 10 May 2019 20:29:25 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hPC8x-0003Ny-74 for pgsql-hackers@lists.postgresql.org; Fri, 10 May 2019 20:29:24 +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 x4AKTIU7016280; Fri, 10 May 2019 16:29:18 -0400 From: Tom Lane To: Andres Freund cc: pgsql-hackers@lists.postgresql.org, Michael Paquier Subject: Re: REINDEX INDEX results in a crash for an index of pg_class since 9.6 In-reply-to: <20190510201124.qrsrn3fcmxe26vqm@alap3.anarazel.de> References: <1105.1557115018@sss.pgh.pa.us> <037F6AFC-73CC-41B3-A0F0-75AF5AE06372@anarazel.de> <1236.1557115204@sss.pgh.pa.us> <20190506070105.2jo5f4vah5mo32m2@alap3.anarazel.de> <28030.1557240619@sss.pgh.pa.us> <20190507155931.pv54deg543goz73h@alap3.anarazel.de> <2283.1557245257@sss.pgh.pa.us> <20190507160913.57s2ensw4h4g2wxk@alap3.anarazel.de> <2538.1557245683@sss.pgh.pa.us> <20190507161711.cjzajb7rgo6v3d4i@alap3.anarazel.de> <20190510201124.qrsrn3fcmxe26vqm@alap3.anarazel.de> Comments: In-reply-to Andres Freund message dated "Fri, 10 May 2019 13:11:24 -0700" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <16278.1557520157.1@sss.pgh.pa.us> Date: Fri, 10 May 2019 16:29:18 -0400 Message-ID: <16279.1557520158@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Andres Freund writes: > On 2019-05-07 09:17:11 -0700, Andres Freund wrote: >> Well, it rejiggers the way table locks are acquired for all REINDEX >> INDEX commands, not just in the CONCURRENTLY. But yea, it's probably >> easy to catch issues there on user tables. > Pushed now. OK. I marked the open issue as closed. regards, tom lane