ANALYZE: hash-accelerate MCV tracking for equality-only types

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ID 6422
Title ANALYZE: hash-accelerate MCV tracking for equality-only types
CI (CFBot) Summary
Stats (from CFBot) Patch version: v5, Patch count: 2, First patch: +46−14, All patches: +214−24
Tags Performance
Created 2026-01-21 14:32:02
Last modified 2026-05-03 12:49:28 (2 weeks ago)
Latest email 2026-05-06 04:51:45 (2 weeks ago)
Status
PG20-1 (2026-07-01 – 2026-07-31): Withdrawn
PG19-Final (2026-03-01 – 2026-04-09): Moved to different CF
Target version
Authors Chengpeng Yan (chengpeng.yan)
Reviewers Ilia Evdokimov (ilidock95), Tatsuya Kawata (croissant) Become reviewer
Committer
Links
Emails
[PATCH] ANALYZE: hash-accelerate MCV tracking for equality-only types
First at 2026-01-21 14:13:56 by Chengpeng Yan <chengpeng_yan at Outlook.com>
Latest at 2026-05-06 04:51:45 by Chengpeng Yan <chengpeng_yan at outlook.com>
Latest attachment (v6-0002-ANALYZE-hash-accelerate-MCV-tracking-for-equality.patch) at 2026-05-03 14:16:24 from Ilia Evdokimov <ilya.evdokimov at tantorlabs.com>
    Attachment (v6-0002-ANALYZE-hash-accelerate-MCV-tracking-for-equality.patch) at 2026-05-03 14:16:24 from Ilia Evdokimov <ilya.evdokimov at tantorlabs.com> (Patch: Yes)
    Attachment (v5-0001-ANALYZE-use-cursor-eviction-for-distinct-value-tr.patch) at 2026-04-14 01:34:02 from Chengpeng Yan <chengpeng_yan at outlook.com> (Patch: Yes)
    Attachment (v4-0001-ANALYZE-speed-up-MCV-tracking-for-equality-only-t.patch) at 2026-02-07 13:39:08 from Chengpeng Yan <chengpeng_yan at Outlook.com> (Patch: Yes)
    Attachment (v3-0001-ANALYZE-speed-up-MCV-tracking-for-equality-only-t.patch) at 2026-02-02 04:05:36 from Chengpeng Yan <chengpeng_yan at Outlook.com> (Patch: Yes)
    Attachment (v2-0001-ANALYZE-speed-up-MCV-tracking-for-equality-only-t.patch) at 2026-01-22 09:40:38 from Chengpeng Yan <chengpeng_yan at Outlook.com> (Patch: Yes)
    Attachment (v1-0001-ANALYZE-speed-up-MCV-tracking-for-equality-only-t.patch) at 2026-01-21 14:13:56 from Chengpeng Yan <chengpeng_yan at Outlook.com> (Patch: Yes)
History
When Who What
2026-05-03 12:49:28 Chengpeng Yan (chengpeng.yan) Closed in commitfest PG20-1 with status: Withdrawn
2026-04-14 01:36:31 Chengpeng Yan (chengpeng.yan) New status: Needs review
2026-04-12 01:33:08 Chengpeng Yan (chengpeng.yan) Moved from CF PG19-Final to CF PG20-1
2026-03-02 15:36:47 Ilia Evdokimov (ilidock95) New status: Waiting on Author
2026-02-01 09:32:32 Tatsuya Kawata (croissant) Added croissant as reviewer
2026-01-21 21:06:19 Ilia Evdokimov (ilidock95) Added ilidock95 as reviewer
2026-01-21 14:32:02 Chengpeng Yan (chengpeng.yan) Attached mail thread C71ABD3E-93C7-41A5-99AC-77279557D36A@Outlook.com
2026-01-21 14:32:02 Chengpeng Yan (chengpeng.yan) Created patch record
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