Improve statistics estimation considering GROUP-BY as a 'uniqueiser'

Title

Topic

Performance

Created

2024-09-24 05:10:14

Last modified

2024-09-24 05:10:30 (1 month, 3 weeks ago)

Latest email

2024-09-24 05:08:09 (1 month, 3 weeks ago)

Status

2024-11: Needs review

Target version

Authors

Andrei Lepikhov (lepikhov)

Reviewers

Committer

Links

Checkout latest CFbot patchset

Go to your local checkout of the PostgreSQL repository and run:

git remote add commitfest https://github.com/postgresql-cfbot/postgresql.git
git fetch commitfest cf/5269
git checkout commitfest/cf/5269

Emails

Improve statistics estimation considering GROUP-BY as a 'uniqueiser': First at 2024-09-19 07:55:19 by Andrei Lepikhov <lepihov at gmail.com>
Latest at 2024-09-24 05:08:09 by Andrei Lepikhov <lepihov at gmail.com>
Latest attachment (v2-0001-Improve-statistics-estimation-considering-GROUP-B.patch) at 2024-09-24 05:08:09 from Andrei Lepikhov <lepihov at gmail.com>
Attachment (v2-0001-Improve-statistics-estimation-considering-GROUP-B.patch) at 2024-09-24 05:08:09 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
Attachment (0001-Improve-statistics-estimation-considering-GROUP-BY-a.patch) at 2024-09-19 07:55:19 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)

History

When	Who	What
2024-09-24 05:10:30	Andrei Lepikhov (lepikhov)	Changed authors to Andrei Lepikhov (lepikhov)
2024-09-24 05:10:30	Andrei Lepikhov (lepikhov)	Changed targetversion to 18
2024-09-24 05:10:15	Andrei Lepikhov (lepikhov)	Attached mail thread 50fe6779-ee2d-4256-bc64-cd661bc4029a@gmail.com
2024-09-24 05:10:15	Andrei Lepikhov (lepikhov)	Created patch record