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 1wl9VS-0014Vo-13 for pgsql-bugs@arkaria.postgresql.org; Sat, 18 Jul 2026 18:11:22 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1wl9VR-003YA8-0a for pgsql-bugs@arkaria.postgresql.org; Sat, 18 Jul 2026 18:11:21 +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 1wl9VQ-003Y9y-31 for pgsql-bugs@lists.postgresql.org; Sat, 18 Jul 2026 18:11:20 +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 1wl9VO-00000000rIC-23qX for pgsql-bugs@lists.postgresql.org; Sat, 18 Jul 2026 18:11:20 +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 66IIBB1g298499; Sat, 18 Jul 2026 14:11:11 -0400 From: Tom Lane To: Richard Guo cc: Matheus Alcantara , leis@in.tum.de, pgsql-bugs@lists.postgresql.org Subject: Re: BUG #19553: Wrong results from nested LEFT JOINs over an empty subquery (regression since v16) In-reply-to: References: <19553-4561747f93f368a7@postgresql.org> <3824828.1784244210@sss.pgh.pa.us> <3957687.1784308823@sss.pgh.pa.us> Comments: In-reply-to Richard Guo message dated "Sat, 18 Jul 2026 10:40:28 +0900" MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-ID: <298497.1784398271.1@sss.pgh.pa.us> Content-Transfer-Encoding: 8bit Date: Sat, 18 Jul 2026 14:11:11 -0400 Message-ID: <298498.1784398271@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Richard Guo writes: > On Sat, Jul 18, 2026 at 2:20 AM Tom Lane wrote: >> If no objections, I'll push and backpatch soon. > v3 LGTM. Pushed. regards, tom lane