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Thu, 14 May 2026 12:06:46 +0000 Content-Type: multipart/mixed; boundary="===============6148291216216005532==" MIME-Version: 1.0 From: Alexander Korotkov To: pgsql-committers@lists.postgresql.org Subject: pgsql: Prevent access to other sessions' temp tables X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Thu, 14 May 2026 12:06:46 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============6148291216216005532== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 UHJldmVudCBhY2Nlc3MgdG8gb3RoZXIgc2Vzc2lvbnMnIHRlbXAgdGFibGVzCgpDb21taXQgYjdi MGYzZjI3MjQgKCJVc2Ugc3RyZWFtaW5nIEkvTyBpbiBzZXF1ZW50aWFsIHNjYW5zIikgcm91dGVk CnNlcXVlbnRpYWwgc2NhbnMgdGhyb3VnaCByZWFkX3N0cmVhbV9uZXh0X2J1ZmZlcigpLCBieXBh c3NpbmcgdGhlClJFTEFUSU9OX0lTX09USEVSX1RFTVAoKSBjaGVjayBpbiBSZWFkQnVmZmVyRXh0 ZW5kZWQoKS4gIEFzIGEgcmVzdWx0LAphIHN1cGVydXNlciBjYW4gYXR0ZW1wdCB0byByZWFkIG9y IG1vZGlmeSB0ZW1wIHRhYmxlcyBvZiBvdGhlcgpzZXNzaW9ucyB0aHJvdWdoIHRoZSByZWFkLXN0 cmVhbSBwYXRoLiAgV2hlbiB0aGUgcXVlcnkgcGxhbiB1c2VzIG5vIGluZGV4LApTRUxFQ1QvVVBE QVRFL0RFTEVURS9NRVJHRSBzaWxlbnRseSBzZWUgbm8gcm93cyAvIHJlcG9ydCB6ZXJvIGFmZmVj dGVkIHJvd3MsCmFuZCBDT1BZIHByb2R1Y2VzIGFuIGVtcHR5IG91dHB1dCAtLSBiZWNhdXNlIHRo ZSBidWZmZXIgbWFuYWdlciBoYXMgbm8KdmlzaWJpbGl0eSBpbnRvIHRoZSBvd25pbmcgc2Vzc2lv bidzIGxvY2FsIGJ1ZmZlcnMgYW5kIHNpbGVudGx5IHJldHVybnMKbm90aGluZy4gIEFueSBxdWVy eSBwbGFuIHRoYXQgdXNlcywgZm9yIGluc3RhbmNlLCBhIGJ0cmVlIGluZGV4CnN0aWxsIGVycm9y cyBvdXQgdmlhIHRoZSBleGlzdGluZyBjaGVjayBpbiBSZWFkQnVmZmVyRXh0ZW5kZWQoKSwgd2hp Y2gKaXMgcmVhY2hlZCBmcm9tIGhpby5jIGFuZCBuYnRyZWUgcmVzcGVjdGl2ZWx5LCBidXQgdGhp cyBpcyBpbmNpZGVudGFsLgoKRml4IGJ5IGVuZm9yY2luZyBSRUxBVElPTl9JU19PVEhFUl9URU1Q KCkgYXQgdGhlIHRocmVlIGFkZGl0aW9uYWwKYnVmZmVyLW1hbmFnZXIgZW50cnkgcG9pbnRzOgoK LSByZWFkX3N0cmVhbV9iZWdpbl9pbXBsKCkgcmVqZWN0cyB0aGUgcmVhZCBhdCBzdHJlYW0gc2V0 dXAgdGltZSwKICBjb3ZlcmluZyBzZXF1ZW50aWFsIGFuZCBiaXRtYXAgc2NhbnMgdGhhdCBnbyB0 aHJvdWdoIHRoZQogIHJlYWQtc3RyZWFtIHBhdGguCi0gUmVhZEJ1ZmZlcl9jb21tb24oKSBiZWNv bWVzIHRoZSBjYW5vbmljYWwgcGxhY2UgZm9yIHRoZSBjaGVjaywKICBjb25zb2xpZGF0aW5nIHRo ZSBleGlzdGluZyBvbmUgcHJldmlvdXNseSBrZXB0IGluCiAgUmVhZEJ1ZmZlckV4dGVuZGVkKCku ICBBbGwgUmVhZEJ1ZmZlckV4dGVuZGVkKCkgY2FsbGVycyBnbyB0aHJvdWdoCiAgUmVhZEJ1ZmZl cl9jb21tb24oKSwgc28gdGhlIGNvbnNvbGlkYXRpb24gaXMgYmVoYXZpb3ItcHJlc2VydmluZy4K LSBTdGFydFJlYWRCdWZmZXJzSW1wbCgpIGNhdGNoZXMgZGlyZWN0IGNhbGxlcnMgb2YgU3RhcnRS ZWFkQnVmZmVycygpCiAgdGhhdCBieXBhc3MgYm90aCBvZiB0aGUgYWJvdmUuICBUaGlzIGlzIGN1 cnJlbnRseSBkZWZlbnNlLWluLWRlcHRoLAogIGJ1dCBkb2N1bWVudHMgdGhlIGNvbnRyYWN0IGZv ciBmdXR1cmUgY29kZS4KClRoZSBjb21wYW5pb24gdGVzdCBpbiBzcmMvdGVzdC9tb2R1bGVzL3Rl c3RfbWlzYyB3YXMgYWRkZWQgaW4gdGhlCnByZWNlZGluZyBjb21taXQ7IHRoaXMgY29tbWl0IHVw ZGF0ZXMgdGhlIGFzc2VydGlvbnMgZm9yIFNFTEVDVCwKVVBEQVRFLCBERUxFVEUsIE1FUkdFLCBh bmQgQ09QWSAod2hpY2ggcHJldmlvdXNseSBkb2N1bWVudGVkIHRoZQpidWcgYXMgc2lsZW50IHN1 Y2Nlc3MpIHRvIGV4cGVjdCB0aGUgbmV3IGVycm9yLgoKQXV0aG9yOiBKaW0gSm9uZXMgPGppbS5q b25lc0B1bmktbXVlbnN0ZXIuZGU+CkF1dGhvcjogRGFuaWlsIERhdnlkb3YgPDNkYW5pc3NpbW9A Z21haWwuY29tPgpDby1hdXRob3JlZC1ieTogQWxleGFuZGVyIEtvcm90a292IDxhZWtvcm90a292 QGdtYWlsLmNvbT4KUmV2aWV3ZWQtYnk6IE1pY2hhZWwgUGFxdWllciA8bWljaGFlbEBwYXF1aWVy Lnh5ej4KUmV2aWV3ZWQtYnk6IFNvdW15YSBTIE11cmFsaSA8c291bXlhbXVyYWxpLndvcmtAZ21h aWwuY29tPgpSZXZpZXdlZC1ieTogVG9tIExhbmUgPHRnbEBzc3MucGdoLnBhLnVzPgpEaXNjdXNz aW9uOiBodHRwczovL3Bvc3Rnci5lcy9tL0NBSkRpWGdoZEZjWjglM0RuaDRHNjl0ZTdpUnIzUTB1 RnlYeGIzWmRHMDlfR1ROWlh3SDBnJTQwbWFpbC5nbWFpbC5jb20KQmFja3BhdGNoLXRocm91Z2g6 IDE3CgpCcmFuY2gKLS0tLS0tClJFTF8xOF9TVEFCTEUKCkRldGFpbHMKLS0tLS0tLQpodHRwczov L2dpdC5wb3N0Z3Jlc3FsLm9yZy9wZy9jb21taXRkaWZmLzFiMGRkMDgxNTdiZjk0NTkwOTg0OWM1 ZTczZDllM2Y1YjA1N2M2M2IKCk1vZGlmaWVkIEZpbGVzCi0tLS0tLS0tLS0tLS0tCnNyYy9iYWNr ZW5kL3N0b3JhZ2UvYWlvL3JlYWRfc3RyZWFtLmMgICAgICAgICAgICAgIHwgMTAgKysrKysrKwpz cmMvYmFja2VuZC9zdG9yYWdlL2J1ZmZlci9idWZtZ3IuYyAgICAgICAgICAgICAgICB8IDMzICsr KysrKysrKysrKysrLS0tLS0tLS0Kc3JjL2luY2x1ZGUvdXRpbHMvcmVsLmggICAgICAgICAgICAg ICAgICAgICAgICAgICAgfCAxNyArKysrLS0tLS0tLQouLi4vdGVzdF9taXNjL3QvMDEzX3RlbXBf b2JqX211bHRpc2Vzc2lvbi5wbCAgICAgICB8IDI3ICsrKysrKysrLS0tLS0tLS0tLQo0IGZpbGVz IGNoYW5nZWQsIDQ4IGluc2VydGlvbnMoKyksIDM5IGRlbGV0aW9ucygtKQoK --===============6148291216216005532==--