PoC: improving join estimates using sampling

ID 3211

Title PoC: improving join estimates using sampling

Topic Server Features

Created 2021-06-28 21:54:18

Last modified 2022-03-22 00:25:51 (2 years, 7 months ago)

Latest email 2022-03-22 00:17:26 (2 years, 7 months ago)

Status

2022-03: Returned with feedback

2022-01: Moved to next CF

2021-11: Moved to next CF

2021-09: Moved to next CF

2021-07: Moved to next CF

Target version

Authors Tomas Vondra (fuzzycz)

Reviewers Become reviewer

Committer

Links CFbot results (CirrusCI) CFbot GitHub

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/3211
git checkout commitfest/cf/3211

Emails

PoC: using sampling to estimate joins / complex conditions: First at 2021-06-27 17:55:24 by Tomas Vondra <tomas.vondra at enterprisedb.com>
Latest at 2022-03-22 00:17:26 by Tomas Vondra <tomas.vondra at enterprisedb.com>
Latest attachment (0001-PoC-Cardinality-estimation-using-runtime-sampling-20220120.patch) at 2022-01-21 00:06:37 from Tomas Vondra <tomas.vondra at enterprisedb.com>
Attachment (0001-PoC-Cardinality-estimation-using-runtime-sampling-20220120.patch) at 2022-01-21 00:06:37 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
Attachment (0001-PoC-Cardinality-estimation-using-runtime-sampling-20210627.patch) at 2021-06-27 17:55:24 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)

History

When	Who	What
2022-03-22 00:25:51	Andres Freund (andresfreund)	Closed in commitfest 2022-03 with status: Returned with feedback
2022-03-21 23:28:46	Andres Freund (andresfreund)	New status: Waiting on Author
2022-02-07 03:21:26	Julien Rouhaud (rjuju)	Closed in commitfest 2022-01 with status: Moved to next CF
2022-02-07 03:21:22	Julien Rouhaud (rjuju)	New status: Needs review
2021-12-03 07:47:06	Michael Paquier (michael-kun)	New status: Waiting on Author
2021-12-03 07:47:03	Michael Paquier (michael-kun)	Closed in commitfest 2021-11 with status: Moved to next CF
2021-10-04 16:33:50	Jaime Casanova (jcasanov)	Closed in commitfest 2021-09 with status: Moved to next CF
2021-08-03 02:31:38	Masahiko Sawada (masahikosawada)	Closed in commitfest 2021-07 with status: Moved to next CF
2021-06-28 21:54:34	Tomas Vondra (fuzzycz)	Changed authors to Tomas Vondra (fuzzycz)
2021-06-28 21:54:19	Tomas Vondra (fuzzycz)	Attached mail thread 580ba824-7630-e6e8-f80f-725dfa587da5@enterprisedb.com
2021-06-28 21:54:18	Tomas Vondra (fuzzycz)	Created patch record