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 4.94.2) (envelope-from ) id 1uyL7g-006jB4-On for pgsql-hackers@arkaria.postgresql.org; Tue, 16 Sep 2025 02:08:48 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1uyL7e-00Eu0C-66 for pgsql-hackers@arkaria.postgresql.org; Tue, 16 Sep 2025 02:08:47 +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 4.94.2) (envelope-from ) id 1uyL7d-00Eu03-Sc for pgsql-hackers@lists.postgresql.org; Tue, 16 Sep 2025 02:08:46 +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 4.96) (envelope-from ) id 1uyL7c-000dzZ-1h for pgsql-hackers@lists.postgresql.org; Tue, 16 Sep 2025 02:08:45 +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 58G28e5R878000; Mon, 15 Sep 2025 22:08:40 -0400 From: Tom Lane To: Robert Haas cc: Dilip Kumar , maximilian.chrzan@here.com, pgsql-hackers@lists.postgresql.org Subject: Re: BUG #18959: Name collisions of expression indexes during parallel Index creations on a pratitioned table. In-reply-to: <658984.1757966786@sss.pgh.pa.us> References: <18959-f63b53b864bb1417@postgresql.org> <1081051.1750260111@sss.pgh.pa.us> <1138732.1750265195@sss.pgh.pa.us> <1802526.1750366786@sss.pgh.pa.us> <2315732.1756482946@sss.pgh.pa.us> <618784.1757952926@sss.pgh.pa.us> <658984.1757966786@sss.pgh.pa.us> Comments: In-reply-to Tom Lane message dated "Mon, 15 Sep 2025 16:06:26 -0400" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <877998.1757988520.1@sss.pgh.pa.us> Date: Mon, 15 Sep 2025 22:08:40 -0400 Message-ID: <877999.1757988520@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk I wrote: > I do agree that improving the names generated for expression indexes > would be useful independently of this. I propose setting this patch > aside for the time being, and I will go look into that, and then > if that gets accepted we can come back here and discuss how much > of a problem remains. I started a separate thread for that, mostly so the cfbot doesn't see it as the same patch: https://www.postgresql.org/message-id/flat/876799.1757987810%40sss.pgh.pa.us regards, tom lane