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Fix bug with accessing to temporary tables of other sessions

Title

Fix bug with accessing to temporary tables of other sessions

CI (CFBot)

Needs rebase! Needs rebase sinceÂ 1Â month. Failing sinceÂ 1Â month.
Additional links previous successfully applied patch (outdated):

Summary

Stats (from CFBot)

Unknown

Tags

Backport Bugfix

Created

2024-11-14 08:33:03

Last modified

2026-05-15 05:47:24 (1Â monthÂ ago)

Latest email

2026-05-14 16:48:48 (1Â monthÂ ago)

Status

PG20-1 (2026-07-01 â€“ 2026-07-31): Committed

PG19-Final (2026-03-01 â€“ 2026-04-09): Moved to different CF

PG19-4 (2026-01-01 â€“ 2026-01-31): Moved to different CF

PG19-3 (2025-11-01 â€“ 2025-11-30): Moved to different CF

PG19-2 (2025-09-01 â€“ 2025-09-30): Moved to different CF

PG19-1 (2025-07-01 â€“ 2025-07-31): Moved to different CF

2025-03 (2025-03-01 â€“ 2025-04-08): Moved to different CF

2025-01 (2025-01-01 â€“ 2025-01-31): Moved to different CF

Target version

Authors

Jim Jones (jimus), Daniil Davydov (dddaniil)

Reviewers

Tom Lane (tgl), Rafia Sabih (rafia.sabih), Jim Jones (jimus), Soumya S Murali (soumyamurali) Become reviewer

Committer

Alexander Korotkov (smagen)

Links

Emails

Fix bug with accessing to temporary tables of other sessions: First at 2025-04-14 05:36:15 by Daniil Davydov <3danissimo at gmail.com>
Latest at 2026-05-14 16:48:48 by Daniil Davydov <3danissimo at gmail.com>
Latest attachment (v22-0002-Prevent-access-to-other-sessions-temp-tables.patch) at 2026-05-07 08:04:16 from Alexander Korotkov <aekorotkov at gmail.com>
Attachment (v22-0002-Prevent-access-to-other-sessions-temp-tables.patch) at 2026-05-07 08:04:16 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
Attachment (v21-0002-Prevent-access-to-other-sessions-temp-tables.patch) at 2026-05-04 09:31:18 from Daniil Davydov <3danissimo at gmail.com> (Patch: Yes)
Attachment (0001-Test-cross-session-LOCK-TABLE-scenario.patch) at 2026-05-03 08:53:39 from Daniil Davydov <3danissimo at gmail.com> (Patch: Yes)
Attachment (v20-0002-Prevent-access-to-other-sessions-temp-tables.patch) at 2026-05-02 16:34:00 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
Attachment (v1-0001-Improve-error-message-for-other-sessions-temporar.patch) at 2026-04-21 13:17:15 from Daniil Davydov <3danissimo at gmail.com> (Patch: Yes)
Attachment (v19-0001-Prevent-access-to-other-sessions-temp-tables.patch) at 2026-04-21 10:54:47 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
Attachment (v18-0002-Test-cross-session-access-on-temporary-tables.patch) at 2026-04-13 13:56:09 from Jim Jones <jim.jones at uni-muenster.de> (Patch: Yes)
Attachment (v17-0001-Prevent-access-to-other-sessions-temp-tables.patch) at 2026-04-10 15:28:01 from Daniil Davydov <3danissimo at gmail.com> (Patch: Yes)
Attachment (v16-0002-Test-cross-session-access-on-temporary-tables.patch) at 2026-04-10 07:10:02 from Daniil Davydov <3danissimo at gmail.com> (Patch: Yes)
Attachment (v15-0001-Prevent-access-to-other-sessions-temporary-table.patch) at 2026-04-08 14:04:35 from Jim Jones <jim.jones at uni-muenster.de> (Patch: Yes)
Attachment (0001-prevent-access-to-other-sessions-temporary-tables.patch) at 2026-04-08 09:17:28 from Soumya S Murali <soumyamurali.work at gmail.com> (Patch: Yes)
Attachment (v13-0001-Prevent-superusers-from-accessing-temp-tables-of.donotrun) at 2026-03-23 13:31:33 from Jim Jones <jim.jones at uni-muenster.de> (Patch: Yes)
Attachment (v12-0001-Fix-accessing-other-sessions-temp-tables.patch) at 2026-02-27 14:02:13 from Daniil Davydov <3danissimo at gmail.com> (Patch: Yes)
Attachment (v11-0002-Test-cross-session-access-restrictions-on-tempor.patch) at 2025-10-30 12:23:05 from Daniil Davydov <3danissimo at gmail.com> (Patch: Yes)
Attachment (v12-0002-Logging-for-parallel-autovacuum.patch) at 2025-10-28 13:42:07 from Daniil Davydov <3danissimo at gmail.com> (Patch: Yes)
Attachment (v10-0001-Fix-accessing-other-sessions-temp-tables.patch) at 2025-09-26 11:19:16 from Jim Jones <jim.jones at uni-muenster.de> (Patch: Yes)
Attachment (v9-0001-Fix-accessing-other-sessions-temp-tables.patch) at 2025-09-25 14:10:56 from Daniil Davydov <3danissimo at gmail.com> (Patch: Yes)
Attachment (v8-0001-Fix-accessing-other-sessions-temp-tables.patch) at 2025-09-25 13:15:50 from Daniil Davydov <3danissimo at gmail.com> (Patch: Yes)
Attachment (v7-0001-Fix-accessing-other-sessions-temp-tables.patch) at 2025-07-29 09:35:00 from Daniil Davydov <3danissimo at gmail.com> (Patch: Yes)
Attachment (v6-0001-Fix-accessing-other-sessions-temp-tables.patch) at 2025-07-28 03:42:58 from Stepan Neretin <slpmcf at gmail.com> (Patch: Yes)
Attachment (v5-0001-Fix-accessing-other-sessions-temp-tables.patch) at 2025-04-14 05:36:15 from Daniil Davydov <3danissimo at gmail.com> (Patch: Yes)

History

When	Who	What
2026-05-15 05:47:24	Jim Jones (jimus)	Closed in commitfest PG20-1 with status: Committed
2026-05-15 05:47:24	Jim Jones (jimus)	Changed committer to smagen
2026-05-15 05:47:01	Jim Jones (jimus)	Changed authors to Jim Jones (jimus), Daniil Davydov (dddaniil)
2026-05-15 05:47:01	Jim Jones (jimus)	Changed targetversion to 17
2026-05-14 15:05:25	CFbot	Patch needs rebase
2026-05-04 10:04:29	CFbot	Patch does not need rebase anymore
2026-05-03 09:14:24	CFbot	Patch needs rebase
2026-04-10 16:36:47	Jim Jones (jimus)	New status: Ready for Committer
2026-04-10 00:00:05	CFbot	Moved from CF PG19-Final to CF PG20-1
2026-04-08 09:36:32	CFbot	Patch does not need rebase anymore
2026-04-06 11:55:28	CFbot	Patch needs rebase
2026-03-21 21:08:16	Tom Lane (tgl)	Added tgl as reviewer
2026-03-06 07:06:25	Soumya S Murali (soumyamurali)	Added soumyamurali as reviewer
2026-02-27 14:37:28	CFbot	Patch does not need rebase anymore
2026-02-03 22:09:51	Ãlvaro Herrera (alvherre)	Moved from CF PG19-4 to CF PG19-Final
2026-01-08 05:25:22	CFbot	Patch needs rebase
2025-12-16 07:36:58	Daniil Davydov (dddaniil)	Moved from CF PG19-3 to CF PG19-4
2025-10-28 14:20:27	CFbot	Patch does not need rebase anymore
2025-10-19 11:20:21	CFbot	Patch needs rebase
2025-10-19 10:41:11	Ãlvaro Herrera (alvherre)	Moved from CF PG19-2 to CF PG19-3
2025-10-07 09:51:21	Mihail Nikalayeu (mihailnikalayeu)	Changed tags to Backport, Bugfix
2025-09-25 10:47:44	Jim Jones (jimus)	Added jimus as reviewer
2025-08-18 08:45:21	Daniil Davydov (dddaniil)	Moved from CF PG19-1 to CF PG19-2
2025-04-14 05:37:00	Daniil Davydov (dddaniil)	Attached mail thread CAJDiXghdFcZ8=nh4G69te7iRr3Q0uFyXxb3ZdG09_GTNZXwH0g@mail.gmail.com
2025-04-14 05:35:32	Daniil Davydov (dddaniil)	Detached mail thread CAJDiXgj72Axj0d4ojKdRWG_rnkfs4uWY414NL=15sCvh7-9rwg@mail.gmail.com
2025-04-14 05:34:48	Daniil Davydov (dddaniil)	Closed in commitfest 2025-03 with status: Moved to next CF
2025-03-17 11:03:24	Daniil Davydov (dddaniil)	Changed targetversion to 18
2025-03-17 05:13:27	Daniil Davydov (dddaniil)	New status: Needs review
2025-03-16 12:53:30	vigneshwaran C (vignesh.postgres)	New status: Waiting on Author
2025-02-19 11:24:12	Daniil Davydov (dddaniil)	New status: Needs review
2025-02-12 16:04:40	Ãlvaro Herrera (alvherre)	Closed in commitfest 2025-01 with status: Moved to next CF
2025-01-14 10:20:40	Rafia Sabih (rafia.sabih)	New status: Waiting on Author
2024-11-20 14:24:13	Rafia Sabih (rafia.sabih)	New status: Ready for Committer
2024-11-18 11:42:51	Rafia Sabih (rafia.sabih)	Added rafia.sabih as reviewer
2024-11-14 08:38:25	Daniil Davydov (dddaniil)	Changed authors to Daniil Davydov (dddaniil)
2024-11-14 08:33:49	Daniil Davydov (dddaniil)	Changed targetversion to 17
2024-11-14 08:33:03	Daniil Davydov (dddaniil)	Attached mail thread CAJDiXgj72Axj0d4ojKdRWG_rnkfs4uWY414NL=15sCvh7-9rwg@mail.gmail.com
2024-11-14 08:33:03	Daniil Davydov (dddaniil)	Created patch record

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PL/B Language Development and Support

Fix bug with accessing to temporary tables of other sessions

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