Improve row estimation with multi-column unique indexes

Title

CI (CFBot)

Summary

Stats (from CFBot)

Patch version: v3, Patch count: 3, First patch: +280−0, All patches: +669−284

Tags

Performance

Created

2026-06-24 08:25:56

Last modified

2026-10-02 12:41:19 (49 minutes ago)

Latest email

2026-07-01 15:21:18 (3 months ago)

Status

PG20-3 (2026-11-01 – 2026-11-30): Needs review

PG20-2 (2026-09-01 – 2026-09-30): Moved to different CF

PG20-1 (2026-07-01 – 2026-07-31): Moved to different CF

Target version

Authors

Anthonin Bonnefoy (bonnefoa)

Reviewers

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Links

Emails

Improve row estimation with multi-column unique indexes: First at 2026-06-24 08:24:05 by Anthonin Bonnefoy <anthonin.bonnefoy at datadoghq.com>
Latest at 2026-07-01 15:21:18 by Anthonin Bonnefoy <anthonin.bonnefoy at datadoghq.com>
Latest attachment (v3-0002-Adjust-row-estimation-and-index-selectivity-with-.patch) at 2026-07-01 15:21:18 from Anthonin Bonnefoy <anthonin.bonnefoy at datadoghq.com>
    Attachment (v3-0002-Adjust-row-estimation-and-index-selectivity-with-.patch) at 2026-07-01 15:21:18 from Anthonin Bonnefoy <anthonin.bonnefoy at datadoghq.com> (Patch: Yes)
    Attachment (v2-0001-Improve-estimates-for-multicolumn-unique-indexes.patch) at 2026-06-28 05:13:47 from Chengpeng Yan <chengpeng_yan at outlook.com> (Patch: Yes)
    Attachment (v1-0001-Adjust-row-estimation-and-index-selectivity-with-.patch) at 2026-06-24 08:24:05 from Anthonin Bonnefoy <anthonin.bonnefoy at datadoghq.com> (Patch: Yes)

History

When	Who	What
2026-10-02 12:41:19	Anthonin Bonnefoy (bonnefoa)	Moved from CF PG20-2 to CF PG20-3
2026-08-20 14:21:14	Anthonin Bonnefoy (bonnefoa)	Moved from CF PG20-1 to CF PG20-2
2026-06-24 08:25:57	Anthonin Bonnefoy (bonnefoa)	Attached mail thread CAO6_XqoiwRoVFS1x1oaUpwUi5kKwOj1S1JVYBO2QX91ORJJoxg@mail.gmail.com
2026-06-24 08:25:56	Anthonin Bonnefoy (bonnefoa)	Created patch record