Fix buffer pinning logic/visibility bugs in [SP-]Gist Index-Only Scans

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ID 5542
Title Fix buffer pinning logic/visibility bugs in [SP-]Gist Index-Only Scans
CI (CFBot) Needs rebase! Needs rebase since 4 months. Failing since 4 months.
Additional links previous successfully applied patch (outdated):
Summary
Stats (from CFBot) Unknown
Tags Bugfix
Created 2025-02-05 10:06:48
Last modified 2026-06-08 09:24:40 (1 hour ago)
Latest email 2025-12-22 22:23:05 (5 months ago)
Status
PG20-1 (2026-07-01 – 2026-07-31): Withdrawn
PG19-Final (2026-03-01 – 2026-04-09): Moved to different CF
PG19-4 (2026-01-01 – 2026-01-31): Moved to different CF
PG19-Drafts (2025-06-22 – 2026-02-28): Moved to different CF
PG19-1 (2025-07-01 – 2025-07-31): Moved to different CF
2025-03 (2025-03-01 – 2025-04-08): Moved to different CF
Target version
Authors Peter Geoghegan (pgeoghegan), Michail Nikolaev (nkey), Matthias van de Meent (mmeent), Mihail Nikalayeu (mihailnikalayeu)
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Why doesn't GiST VACUUM require a super-exclusive lock, like nbtree VACUUM?
First at 2021-11-03 23:33:08 by Peter Geoghegan <pg at bowt.ie>
Latest at 2025-12-24 11:54:48 by Matthias van de Meent <boekewurm+postgres at gmail.com>
Latest attachment (v14-0007-nbtree-Reduce-Index-Only-Scan-pin-duration.patch) at 2025-12-24 11:54:48 from Matthias van de Meent <boekewurm+postgres at gmail.com>
    Attachment (v14-0007-nbtree-Reduce-Index-Only-Scan-pin-duration.patch) at 2025-12-24 11:54:48 from Matthias van de Meent <boekewurm+postgres at gmail.com> (Patch: Yes)
    Attachment (v13-0001-Add-vectorized-API-for-visibility-map-lookup.patch) at 2025-12-22 22:23:05 from Matthias van de Meent <boekewurm+postgres at gmail.com> (Patch: Yes)
    Attachment (v12-0002-GIST-Fix-visibility-issues-in-IOS.patch) at 2025-04-24 20:46:10 from Matthias van de Meent <boekewurm+postgres at gmail.com> (Patch: Yes)
    Attachment (v10-0004-NBTree-Reduce-Index-Only-Scan-pinning-requiremen.patch) at 2025-03-21 16:14:12 from Matthias van de Meent <boekewurm+postgres at gmail.com> (Patch: Yes)
    Attachment (v9-0001-IOS-TableAM-Support-AM-supplied-fast-visibility-c.patch) at 2025-03-08 02:36:31 from Matthias van de Meent <boekewurm+postgres at gmail.com> (Patch: Yes)
    Attachment (v8-0002-Fix-index-only-scan-race-condition-in-GiST-implem.patch) at 2025-02-08 13:46:00 from Michail Nikolaev <michail.nikolaev at gmail.com> (Patch: Yes)
    Attachment (v7-0004-This-should-fix-issues-with-incorrect-results-whe.patch) at 2025-02-05 10:11:40 from Michail Nikolaev <michail.nikolaev at gmail.com> (Patch: Yes)
    Attachment (v6-0003-This-should-fix-issues-with-incorrect-results-whe.patch) at 2025-02-05 10:04:00 from Michail Nikolaev <michail.nikolaev at gmail.com> (Patch: Yes)
    Attachment (v5-0002-RFC-Extend-buffer-pinning-for-GIST-IOS.patch) at 2025-01-10 17:06:10 from Michail Nikolaev <michail.nikolaev at gmail.com> (Patch: Yes)
    Attachment (v4-0001-isolationtester-showing-broken-index-only-scans-w.patch) at 2025-01-06 23:45:18 from Matthias van de Meent <boekewurm+postgres at gmail.com> (Patch: Yes)
    Attachment (v3-0001-isolationtester-showing-broken-index-only-scans-w.patch) at 2025-01-04 01:00:34 from Matthias van de Meent <boekewurm+postgres at gmail.com> (Patch: Yes)
    Attachment (v2-0001-isolationtester-showing-broken-index-only-scans-w.patch) at 2024-12-03 01:18:14 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (v1-0001-nbtree-README-Improve-VACUUM-interlock-section.patch) at 2021-12-01 01:09:14 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (unknown_filename) at 2021-11-04 15:52:22 from Andrey Borodin <x4mmm at yandex-team.ru> (Patch: No)
History
When Who What
2026-06-08 09:24:40 Matthias van de Meent (mmeent) Closed in commitfest PG20-1 with status: Withdrawn
2026-06-08 09:24:24 Matthias van de Meent (mmeent) Moved from CF PG19-Final to CF PG20-1
2026-02-03 22:09:55 Álvaro Herrera (alvherre) Moved from CF PG19-4 to CF PG19-Final
2026-01-12 17:24:27 CFbot Patch needs rebase
2025-12-24 21:58:03 Matthias van de Meent (mmeent) Changed name to Fix buffer pinning logic/visibility bugs in [SP-]Gist Index-Only Scans
2025-12-22 23:26:32 CFbot Patch does not need rebase anymore
2025-12-22 23:19:36 Matthias van de Meent (mmeent) Moved from CF PG19-Drafts to CF PG19-4
2025-09-04 14:19:14 Mihail Nikalayeu (mihailnikalayeu) Moved from CF PG19-1 to CF PG19-Drafts
2025-06-17 22:41:45 CFbot Patch needs rebase
2025-05-07 16:56:15 Matthias van de Meent (mmeent) New status: Needs review
2025-05-04 13:46:55 Michail Nikolaev (nkey) Changed authors to Peter Geoghegan (pgeoghegan), Michail Nikolaev (nkey), Matthias van de Meent (mmeent), Mihail Nikalayeu (mihailnikalayeu)
2025-04-24 21:01:44 CFbot Patch does not need rebase anymore
2025-04-20 19:45:40 Mihail Nikalayeu (mihailnikalayeu) Closed in commitfest 2025-03 with status: Moved to next CF
2025-04-01 06:51:41 vigneshwaran C (vignesh.postgres) New status: Waiting on Author
2025-03-24 04:26:41 CFbot Patch needs rebase
2025-03-22 20:25:57 Matthias van de Meent (mmeent) New status: Needs review
2025-03-16 12:58:24 vigneshwaran C (vignesh.postgres) New status: Waiting on Author
2025-03-03 17:57:54 Matthias van de Meent (mmeent) Changed name to Fix buffer pinning logic in [SP-]Gist
2025-02-05 10:07:59 Michail Nikolaev (nkey) Changed authors to Peter Geoghegan (pgeoghegan), Michail Nikolaev (nkey), Matthias van de Meent (mmeent)
2025-02-05 10:06:49 Michail Nikolaev (nkey) Attached mail thread CAH2-Wz=PqOziyRSrnN5jAtfXWXY7-BJcHz9S355LH8Dt=5qxWQ@mail.gmail.com
2025-02-05 10:06:48 Michail Nikolaev (nkey) Created patch record
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