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 1w7CpH-0054FH-1n for pgsql-committers@arkaria.postgresql.org; Mon, 30 Mar 2026 13:38:43 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1w7CpF-003TtP-1y for pgsql-committers@arkaria.postgresql.org; Mon, 30 Mar 2026 13:38:42 +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 4.96) (envelope-from ) id 1w7CpF-003TtH-1I for pgsql-committers@lists.postgresql.org; Mon, 30 Mar 2026 13:38:41 +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 1w7CpD-0000000205g-0kV8 for pgsql-committers@lists.postgresql.org; Mon, 30 Mar 2026 13:38:41 +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 1w7CpB-006mBj-36 for pgsql-committers@lists.postgresql.org; Mon, 30 Mar 2026 13:38:38 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1w7CpB-0029eQ-09 for pgsql-committers@lists.postgresql.org; Mon, 30 Mar 2026 13:38:37 +0000 Content-Type: multipart/mixed; boundary="===============0849508514468568802==" MIME-Version: 1.0 From: Melanie Plageman To: pgsql-committers@lists.postgresql.org Subject: pgsql: Make it cheap to check if a relation is modified by a query X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Mon, 30 Mar 2026 13:38:37 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============0849508514468568802== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 TWFrZSBpdCBjaGVhcCB0byBjaGVjayBpZiBhIHJlbGF0aW9uIGlzIG1vZGlmaWVkIGJ5IGEgcXVl cnkKClNhdmUgdGhlIHJhbmdlIHRhYmxlIGluZGV4ZXMgb2YgcmVzdWx0IHJlbGF0aW9ucyBhbmQg cm93IG1hcmsgcmVsYXRpb25zCmluIHNlcGFyYXRlIGJpdG1hcHNldHMgaW4gdGhlIFBsYW5uZWRT dG10LiBQcmVjb21wdXRpbmcgdGhlbSBhbGxvd3MKY2hlYXAgbWVtYmVyc2hpcCBjaGVja3MgZHVy aW5nIGV4ZWN1dGlvbi4gVG9nZXRoZXIsIHRoZXNlIHR3byBncm91cHMKYXBwcm94aW1hdGUgYWxs IHJlbGF0aW9ucyB0aGF0IHdpbGwgYmUgbW9kaWZpZWQgYnkgYSBxdWVyeS4gVGhpcwppbmNsdWRl cyByZWxhdGlvbnMgdGFyZ2V0ZWQgYnkgSU5TRVJULCBVUERBVEUsIERFTEVURSwgYW5kIE1FUkdF IGFzIHdlbGwKYXMgcmVsYXRpb25zIHdpdGggYW55IHJvdyBtYXJrIChsaWtlIFNFTEVDVCBGT1Ig VVBEQVRFKS4KCkZ1dHVyZSB3b3JrIHdpbGwgdXNlIGluZm9ybWF0aW9uIG9uIHdoZXRoZXIgb3Ig bm90IGEgcmVsYXRpb24gaXMKbW9kaWZpZWQgYnkgYSBxdWVyeSBpbiBhIGhldXJpc3RpYy4KClBs YW5uZWRTdG10LT5yZXN1bHRSZWxhdGlvbnMgaXMgb25seSB1c2VkIGluIGEgbWVtYmVyc2hpcCBj aGVjaywgc28gaXQKd2lsbCBiZSByZW1vdmVkIGluIGEgc2VwYXJhdGUgY29tbWl0LgoKQXV0aG9y OiBNZWxhbmllIFBsYWdlbWFuIDxtZWxhbmllcGxhZ2VtYW5AZ21haWwuY29tPgpSZXZpZXdlZC1i eTogQW5kcmVzIEZyZXVuZCA8YW5kcmVzQGFuYXJhemVsLmRlPgpSZXZpZXdlZC1ieTogRGF2aWQg Um93bGV5IDxkZ3Jvd2xleW1sQGdtYWlsLmNvbT4KUmV2aWV3ZWQtYnk6IENoYW8gTGkgPGxpLmV2 YW4uY2hhb0BnbWFpbC5jb20+CkRpc2N1c3Npb246IGh0dHBzOi8vcG9zdGdyLmVzL20vRjVDREQx QjUtNjI4Qy00NEExLTlGODUtMzk1OEM2MjZGNkE5JTQwZ21haWwuY29tCgpCcmFuY2gKLS0tLS0t Cm1hc3RlcgoKRGV0YWlscwotLS0tLS0tCmh0dHBzOi8vZ2l0LnBvc3RncmVzcWwub3JnL3BnL2Nv bW1pdGRpZmYvMGY0YzE3MGNmM2I4NWVmOGIwOTI5OTBhODhlNWI3YjUwODkyZjdkNQoKTW9kaWZp ZWQgRmlsZXMKLS0tLS0tLS0tLS0tLS0Kc3JjL2JhY2tlbmQvZXhlY3V0b3IvZXhlY1BhcmFsbGVs LmMgIHwgIDcgKysrKysrKwpzcmMvYmFja2VuZC9vcHRpbWl6ZXIvcGxhbi9wbGFubmVyLmMgfCAx NSArKysrKysrKysrKysrKy0Kc3JjL2luY2x1ZGUvbm9kZXMvcGxhbm5vZGVzLmggICAgICAgIHwg IDYgKysrKysrCjMgZmlsZXMgY2hhbmdlZCwgMjcgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigt KQoK --===============0849508514468568802==--