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 4.96) (envelope-from ) id 1x4mV0-007ODs-2p for pgsql-hackers@arkaria.postgresql.org; Thu, 10 Sep 2026 21:40:02 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1x4mUz-009dpe-1b for pgsql-hackers@arkaria.postgresql.org; Thu, 10 Sep 2026 21:40:01 +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 4.96) (envelope-from ) id 1x4mUz-009dpV-0c for pgsql-hackers@lists.postgresql.org; Thu, 10 Sep 2026 21:40:01 +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 4.98.2) (envelope-from ) id 1x4mUx-000000051i7-1wXo for pgsql-hackers@lists.postgresql.org; Thu, 10 Sep 2026 21:40:00 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.18.1/8.18.1) with ESMTP id 68ALdsSB931426; Thu, 10 Sep 2026 17:39:54 -0400 From: Tom Lane To: Robert Haas cc: Daniel Gustafsson , PostgreSQL Hackers Subject: Re: Trying to break online checksums with LLMs In-reply-to: References: <927668.1789072635@sss.pgh.pa.us> Comments: In-reply-to Robert Haas message dated "Thu, 10 Sep 2026 16:51:26 -0400" MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-ID: <931424.1789076394.1@sss.pgh.pa.us> Content-Transfer-Encoding: 8bit Date: Thu, 10 Sep 2026 17:39:54 -0400 Message-ID: <931425.1789076394@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Robert Haas writes: > On Thu, Sep 10, 2026 at 4:37 PM Tom Lane wrote: >> Don't we have logic somewhere to clean up orphaned relation files? > Uh ... no? > I mean, temp tables get cleaned up and unlogged tables get reset to > empty, but the goal of being able to remove permanent relation files > instead of permanently leaking them has, to my knowledge, thus far > eluded us. You're right, I was thinking of temp-table cleanup. regards, tom lane