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Fri, 04 Sep 2026 01:36:29 +0000 Content-Type: multipart/mixed; boundary="===============3500392715036555598==" MIME-Version: 1.0 From: Richard Guo To: pgsql-committers@lists.postgresql.org Subject: pgsql: Disallow joins whose lateral references need an unformable outer X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Fri, 04 Sep 2026 01:36:29 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============3500392715036555598== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 RGlzYWxsb3cgam9pbnMgd2hvc2UgbGF0ZXJhbCByZWZlcmVuY2VzIG5lZWQgYW4gdW5mb3JtYWJs ZSBvdXRlciBqb2luCgpJZiBhIExBVEVSQUwgc3VicXVlcnkgcmVmZXJlbmNlcyBhIFBsYWNlSG9s ZGVyVmFyIHRoYXQgbXVzdCBiZQpldmFsdWF0ZWQgYXQgYW4gb3V0ZXIgam9pbiwgdGhlIHN1YnF1 ZXJ5J3MgbGF0ZXJhbF9yZWxpZHMgaW5jbHVkZSB0aGF0Cm91dGVyIGpvaW4ncyByZWxpZCwgc2lu Y2UgdGhlIGxhdGVyYWwgcGFyYW1ldGVyIGlzIHRoZSBvdXRlciBqb2luJ3MKb3V0cHV0LiAgam9p bl9pc19sZWdhbCgpIHZlcmlmaWVkIHRoYXQgdGhlIHJlbHMgbmFtZWQgYnkgYSBwcm9wb3NlZApq b2luJ3MgbWluaW11bSBwYXJhbWV0ZXJpemF0aW9uIGNvdWxkIHN0aWxsIGJlIGpvaW5lZCB0byBm cm9tIG91dHNpZGUsCmJ1dCBpdCBkaWQgbm90IGNvbnNpZGVyIHN1Y2ggb3V0ZXItam9pbiByZWxp ZHMuICBBcyBhIHJlc3VsdCwgd2hlbgppZGVudGl0eSAzIHBlcm1pdHRlZCBhIGNvbW11dGVkIGpv aW4gb3JkZXIsIHdlIGNvdWxkIGFwcHJvdmUgYSBqb2luCnRoYXQgaW5jbHVkZXMgcGFydCBvZiB0 aGF0IG91dGVyIGpvaW4ncyByZXF1aXJlZCBpbnB1dCwgZXZlbiB0aG91Z2gKdGhlIG91dGVyIGpv aW4gY291bGQgdGhlbiBiZSBjb21wbGV0ZWQgb25seSBhYm92ZSB0aGUgcHJvcG9zZWQgam9pbiwK bGVhdmluZyB0aGUgbGF0ZXJhbCBwYXJhbWV0ZXIgZm9yZXZlciB1bnNhdGlzZmlhYmxlLgoKSW4g YXNzZXJ0LWVuYWJsZWQgYnVpbGRzIHRoaXMgdHJpcHBlZCB0aGUgYmFja3N0b3AgQXNzZXJ0IGlu CnRyeV9uZXN0bG9vcF9wYXRoKCkuICBJbiBwcm9kdWN0aW9uIGJ1aWxkcyB0aGUgYm9ndXMgam9p biBnZW5lcmF0ZWQKb25seSBwYXRocyB3aG9zZSBwYXJhbWV0ZXJpemF0aW9uIGNhbiBuZXZlciBi ZSBzYXRpc2ZpZWQsIHNvIHRoZXkKY291bGQgbmV2ZXIgYXBwZWFyIGluIGEgY29tcGxldGUgcGxh bi4gIFRoaXMgbm90IG9ubHkgd2FzdGVkIHBsYW5uaW5nCmVmZm9ydCwgYnV0IGFsc28gY291bGQg bWlzbGVhZCB0aGUgY2xhdXNlbGVzcy1qb2luIGhldXJpc3RpY3MgaW50bwp0aGlua2luZyB0aGF0 IGxlZ2FsaXR5IG9mIHRoaXMgam9pbiBtZWFucyB0aGF0IHNvbWUgb3RoZXIgam9pbiByZWwKbmVl ZCBub3QgYmUgZm9ybWVkLCBhbmQgdGhhdCBjb3VsZCBsZWFkIHRvIGZhaWx1cmUgdG8gZmluZCBh bnkgcGxhbiBhdAphbGwuCgpTdWNoIGpvaW5zIHVzZWQgdG8gYmUgcmVqZWN0ZWQgYnkgdGhlIGhh dmVfZGFuZ2Vyb3VzX3BodigpIGNoZWNrIGluCmpvaW5faXNfbGVnYWwoKSwgd2hpY2ggcmVmdXNl ZCBhbnkgam9pbiB3aGVyZSBhIFBsYWNlSG9sZGVyVmFyJ3MgZXZhbApzZXQgb3ZlcmxhcHBlZCB0 aGUgb3RoZXIgc2lkZSBvZiB0aGUgam9pbiB3aXRob3V0IGJlaW5nIGNvbnRhaW5lZCBpbgppdC4g IENvbW1pdCBhMTZlZjMxM2YgcmVtb3ZlZCB0aGF0IHJlc3RyaWN0aW9uLCBleHBvc2luZyB0aGlz Cm92ZXJzaWdodC4KClRvIGZpeCwgdGVhY2ggam9pbl9pc19sZWdhbCgpIHRvIHJlamVjdCBhIHBy b3Bvc2VkIGpvaW4gaWYgaXRzIG1pbmltdW0KcGFyYW1ldGVyaXphdGlvbiBpbmNsdWRlcyBhbiBv dXRlci1qb2luIHJlbGlkIHdob3NlIG91dGVyIGpvaW4gY2Fubm90CmJlIGZvcm1lZCBzdHJpY3Rs eSBvdXRzaWRlIHRoZSBqb2luLCB0aGF0IGlzLCB3aGVuIGFueSByZWwgbmVlZGVkIHRvCmZvcm0g dGhhdCBvdXRlciBqb2luIG11c3QgYmVjb21lIHBhcnQgb2YgdGhlIHByb3Bvc2VkIGpvaW4ncyBv d24gam9pbgp0cmVlLgoKQmFjay1wYXRjaCB0byB2MTgsIHdoZXJlIGNvbW1pdCBhMTZlZjMxM2Yg cmVtb3ZlZCB0aGUKaGF2ZV9kYW5nZXJvdXNfcGh2KCkgcmVzdHJpY3Rpb24uCgpBdXRob3I6IFJp Y2hhcmQgR3VvIDxndW9mZW5nbGludXhAZ21haWwuY29tPgpSZXZpZXdlZC1ieTogVG9tIExhbmUg PHRnbEBzc3MucGdoLnBhLnVzPgpSZXZpZXdlZC1ieTogVGVuZGVyIFdhbmcgPHRuZHJ3YW5nQGdt YWlsLmNvbT4KRGlzY3Vzc2lvbjogaHR0cHM6Ly9wb3N0Z3IuZXMvbS9DQU1iV3M0OVp2ZUFZeDlU NWIwPWd4bjBwbnZxcT1NYk4tWjRLTGJMQUUra0gwNm1XVkFAbWFpbC5nbWFpbC5jb20KQmFja3Bh dGNoLXRocm91Z2g6IDE4CgpCcmFuY2gKLS0tLS0tClJFTF8xOF9TVEFCTEUKCkRldGFpbHMKLS0t LS0tLQpodHRwczovL2dpdC5wb3N0Z3Jlc3FsLm9yZy9wZy9jb21taXRkaWZmL2NiZWM1NzI5MThm ZDFkZDE5N2UxM2UyMTk1MmQyYjVmMGJlMmU5NDIKCk1vZGlmaWVkIEZpbGVzCi0tLS0tLS0tLS0t LS0tCnNyYy9iYWNrZW5kL29wdGltaXplci9wYXRoL2pvaW5yZWxzLmMgfCAyNiArKysrKysrKysr KysrKysrKysrKysrKwpzcmMvdGVzdC9yZWdyZXNzL2V4cGVjdGVkL2pvaW4ub3V0ICAgIHwgNDAg KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysKc3JjL3Rlc3QvcmVncmVzcy9zcWwv am9pbi5zcWwgICAgICAgICB8IDIwICsrKysrKysrKysrKysrKysrKwozIGZpbGVzIGNoYW5nZWQs IDg2IGluc2VydGlvbnMoKykKCg== --===============3500392715036555598==--