Incremental Sort Cost Estimation Instability

Title

CI (CFBot)

Summary

Stats (from CFBot)

Patch version: v0, Patch count: 1, First patch: +249−75, All patches: +249−75

Topic

Performance

Tags

Created

2025-05-15 11:03:16

Last modified

2025-05-15 11:03:16 (1 month ago)

Latest email

2025-06-04 21:26:17 (1 month ago)

Status

PG19-1 (2025-07-01 - 2025-07-31): Needs review

Target version

Authors

Andrei Lepikhov (lepikhov)

Reviewers

Committer

Links

Emails

Incremental Sort Cost Estimation Instability: First at 2024-06-26 15:00:27 by Andrei Lepikhov <lepihov at gmail.com>
Latest at 2025-06-04 21:26:17 by Alexander Korotkov <aekorotkov at gmail.com>
Latest attachment (v0-0001-Employ-EquivalenceClass-to-adjust-ndistinct-estim.patch) at 2025-05-14 10:50:46 from Andrei Lepikhov <lepihov at gmail.com>
    Attachment (v0-0001-Employ-EquivalenceClass-to-adjust-ndistinct-estim.patch) at 2025-05-14 10:50:46 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (0001-Improve-group-number-estimation.patch) at 2024-11-11 14:10:47 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v4-0001-Stabilise-incremental-sort-cost-calculation.patch) at 2024-11-07 05:57:46 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v3-0001-Stabilize-incremental-sort-estimation.patch) at 2024-10-08 04:33:36 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v2-0001-Stabilize-incremental-sort-estimation.patch) at 2024-09-23 13:02:57 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (0001-Add-a-reference-to-the-expression-which-has-triggere.patch) at 2024-06-26 15:00:27 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)

History

When	Who	What
2025-05-15 11:03:16	Andrei Lepikhov (lepikhov)	Attached mail thread ba0edc53-4b1f-4c67-92d1-29aeddb36a18@gmail.com
2025-05-15 11:03:16	Andrei Lepikhov (lepikhov)	Created patch record