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 4.98.2) (envelope-from ) id 1x9IYe-00000001tlo-2Px0 for pgsql-committers@arkaria.postgresql.org; Wed, 23 Sep 2026 08:42:28 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.98.2) (envelope-from ) id 1x9IYd-00000003ri6-3hqA for pgsql-committers@arkaria.postgresql.org; Wed, 23 Sep 2026 08:42:27 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1x9IXx-00000003q6i-1XuC for pgsql-committers@lists.postgresql.org; Wed, 23 Sep 2026 08:41:45 +0000 Received: from mahout.postgresql.org ([2001:4800:3e1:1::227]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1x9IXu-00000000qKv-2tCA for pgsql-committers@lists.postgresql.org; Wed, 23 Sep 2026 08:41:45 +0000 Received: from gemulon.postgresql.org ([2001:4800:3e1:1::198]) by mahout.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1x9IXt-002Swq-0z for pgsql-committers@lists.postgresql.org; Wed, 23 Sep 2026 08:41:41 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.98.2) (envelope-from ) id 1x9IXs-00000000tEw-3gnk for pgsql-committers@lists.postgresql.org; Wed, 23 Sep 2026 08:41:40 +0000 Content-Type: multipart/mixed; boundary="===============4524029078096565448==" MIME-Version: 1.0 From: Dean Rasheed To: pgsql-committers@lists.postgresql.org Subject: pgsql: Fix concurrent delete handling in MERGE ... WHEN NOT MATCHED BY X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Wed, 23 Sep 2026 08:41:40 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============4524029078096565448== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Rml4IGNvbmN1cnJlbnQgZGVsZXRlIGhhbmRsaW5nIGluIE1FUkdFIC4uLiBXSEVOIE5PVCBNQVRD SEVEIEJZIFNPVVJDRS4KCldoZW4gZXhlY3V0aW5nIGEgV0hFTiBOT1QgTUFUQ0hFRCBCWSBTT1VS Q0UgYWN0aW9uIGluIE1FUkdFLCBpZiB0aGUKdHVwbGUgZnJvbSB0aGUgdGFyZ2V0IHRhYmxlIHdh cyBjb25jdXJyZW50bHkgZGVsZXRlZCwgdGhlIHJldHJ5IGNvZGUKd291bGQgaW5jb3JyZWN0bHkg ZXhlY3V0ZSBhIFdIRU4gTk9UIE1BVENIRUQgQlkgVEFSR0VUIGFjdGlvbiBmb3IgdGhlCnJvdyBp bnN0ZWFkLCBnaXZpbmcgaW5jb3JyZWN0IHJlc3VsdHMuCgpGaXggaW4gRXhlY01lcmdlTWF0Y2hl ZCgpIC0tIHdoZW4gaGFuZGxpbmcgYSBUTV9EZWxldGVkIGZhaWx1cmUKc3RhdHVzLCBpdCBzaG91 bGQgb25seSBzZXQgKm1hdGNoZWQgdG8gZmFsc2UgKHRlbGxpbmcgdGhlIGNhbGxlciB0bwpleGVj dXRlIGFueSBXSEVOIE5PVCBNQVRDSEVEIEJZIFRBUkdFVCBhY3Rpb25zKSBpZiB0aGUgZmFpbGVk IGFjdGlvbgp3YXMgYSBXSEVOIE1BVENIRUQgYWN0aW9uLiBGb3IgYSBmYWlsZWQgV0hFTiBOT1Qg TUFUQ0hFRCBCWSBTT1VSQ0UKYWN0aW9uLCB0aGUgc291cmNlIHR1cGxlIGRpZCBub3QgZXhpc3Qs IGFuZCB0aGUgdGFyZ2V0IHR1cGxlIGhhcyBqdXN0CmJlZW4gZGVsZXRlZCwgc28gaXQgc2hvdWxk IGRvIG5vdGhpbmcuCgpCYWNrLXBhdGNoIHRvIHYxNywgd2hlcmUgc3VwcG9ydCBmb3IgV0hFTiBO T1QgTUFUQ0hFRCBCWSBTT1VSQ0UKYWN0aW9ucyB3YXMgaW50cm9kdWNlZC4KClJlcG9ydGVkLWJ5 OiBKZWZmIERhdmlzIDxwZ3NxbEBqLWRhdmlzLmNvbT4KQXV0aG9yOiBUZW5kZXIgV2FuZyA8dG5k cndhbmdAZ21haWwuY29tPgpSZXZpZXdlZC1ieTogRGVhbiBSYXNoZWVkIDxkZWFuLmEucmFzaGVl ZEBnbWFpbC5jb20+CkRpc2N1c3Npb246IGh0dHBzOi8vcG9zdGdyLmVzL20vY2NkYWI1YmEwMmM2 NWFmMTk1YjVhNmQyZDc0NGEwMWQ5ZGU0N2NkMy5jYW1lbEBqLWRhdmlzLmNvbQpCYWNrcGF0Y2gt dGhyb3VnaDogMTcKCkJyYW5jaAotLS0tLS0KbWFzdGVyCgpEZXRhaWxzCi0tLS0tLS0KaHR0cHM6 Ly9naXQucG9zdGdyZXNxbC5vcmcvcGcvY29tbWl0ZGlmZi84NWY1NTUzNGU4MGI2MzNiZGI3YmZj OTFlYWE1NzkzMDIxZDZiZjY2CgpNb2RpZmllZCBGaWxlcwotLS0tLS0tLS0tLS0tLQpzcmMvYmFj a2VuZC9leGVjdXRvci9ub2RlTW9kaWZ5VGFibGUuYyAgICAgICB8ICAzNSArKysrLS0Kc3JjL3Rl c3QvaXNvbGF0aW9uL2V4cGVjdGVkL21lcmdlLWRlbGV0ZS5vdXQgfCAxNTggKysrKysrKysrKysr KysrKysrKysrKysrKysrCnNyYy90ZXN0L2lzb2xhdGlvbi9zcGVjcy9tZXJnZS1kZWxldGUuc3Bl YyAgIHwgIDM3ICsrKysrKysKMyBmaWxlcyBjaGFuZ2VkLCAyMjAgaW5zZXJ0aW9ucygrKSwgMTAg ZGVsZXRpb25zKC0pCgo= --===============4524029078096565448==--