GROUP BY optimization

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ID 4562
Title GROUP BY optimization
Topic Performance
Created 2023-09-13 05:26:57
Last modified 2024-01-26 14:37:36 (9 months, 3 weeks ago)
Latest email 2024-01-26 15:41:05 (9 months, 3 weeks ago)
Status
2024-01: Committed
2023-11: Moved to next CF
Target version
Authors Fedor Sigaev (sigaev), Tomas Vondra (fuzzycz), Andrei Lepikhov (lepikhov)
Reviewers Become reviewer
Committer Alexander Korotkov (smagen)
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/4562
git checkout commitfest/cf/4562
Emails
POC: GROUP BY optimization
First at 2018-05-29 23:07:50 by Teodor Sigaev <teodor at sigaev.ru>
Latest at 2024-01-26 15:41:05 by Robert Haas <robertmhaas at gmail.com>
Latest attachment (0002-Explore-alternative-orderings-of-group-by-p-20240119.patch) at 2024-01-19 14:21:48 from Alexander Korotkov <aekorotkov at gmail.com>
    Attachment (0002-Explore-alternative-orderings-of-group-by-p-20240119.patch) at 2024-01-19 14:21:48 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (step2.txt) at 2024-01-18 14:18:34 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (step1.txt) at 2024-01-18 09:48:54 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Generalize-common-code-of-adding-sort-befor-20240116.patch) at 2024-01-16 15:05:33 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (group_by.diff) at 2024-01-15 13:21:05 from Alena Rybakina <a.rybakina at postgrespro.ru> (Patch: Yes)
    Attachment (0002-Explore-alternative-orderings-of-group-by-p-20240115.patch) at 2024-01-15 00:19:41 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (details-2.txt) at 2024-01-14 12:14:13 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Generalize-common-code-of-adding-sort-befor-20240113.patch) at 2024-01-13 15:00:03 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (details.txt) at 2024-01-13 09:08:59 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Generalize-common-code-of-adding-sort-befor-20240111.patch) at 2024-01-11 11:30:29 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (0002-Explore-alternative-orderings-of-group-by-pathkeys-d-20240109.patch) at 2024-01-09 11:07:19 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Generalize-common-code-of-adding-sort-before-generat.patch) at 2024-01-09 09:01:43 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Explore-alternative-orderings-of-group-by-pathkeys-d-20231228.patch) at 2023-12-28 08:22:47 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Explore-alternative-orderings-of-group-by-pathkeys-d-20231001.patch) at 2023-10-01 06:32:23 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-When-evaluating-a-query-with-a-multi-column-GROUP-BY-20230913.patch) at 2023-09-13 05:21:32 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-When-evaluating-a-query-with-a-multi-column-GROUP-BY-20230720.patch) at 2023-07-20 06:37:24 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (fix_partitionwise_aggregate_test_master.patch) at 2022-08-18 01:32:14 from David Rowley <dgrowleyml at gmail.com> (Patch: Yes)
    Attachment (plans-14.log) at 2022-08-17 14:46:16 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: No)
    Attachment (0001-Optimize-order-of-GROUP-BY-keys-20220329.patch) at 2022-03-29 18:00:29 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (0001-Optimize-order-of-GROUP-BY-keys-20220328.patch) at 2022-03-29 00:48:50 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (0001-Optimize-order-of-GROUP-BY-keys-20220315.patch) at 2022-03-15 08:26:47 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (0002-Use-default-restriction-for-number-of-groups.txt) at 2022-02-10 09:00:37 from "Andrey V. Lepikhov" <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (bounded_heap_sort_fix.txt) at 2022-02-01 09:48:11 from "Andrey V. Lepikhov" <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v20220121-0001-GROUP-BY-reordering.patch) at 2022-01-21 20:34:43 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (guard_tuplesPerPrevGroup.txt) at 2022-01-21 11:09:01 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (fixes.txt) at 2022-01-20 05:05:57 from "Andrey V. Lepikhov" <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (group-by-reorder-20210722.patch) at 2021-07-21 22:58:44 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (group-by-reorder-20210720.patch) at 2021-07-20 13:12:38 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (0001-v12-20210309.patch) at 2021-03-09 23:05:55 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (v12-0001-GROUP-BY-optimization-made-compatible-with-chang.patch) at 2021-03-05 11:37:30 from Ibrar Ahmed <ibrar.ahmad at gmail.com> (Patch: Yes)
    Attachment (v11-0001-GROUP-BY-optimization-made-compatible-with-chang.patch) at 2020-10-26 08:44:58 from Pavel Borisov <pashkin.elfe at gmail.com> (Patch: Yes)
    Attachment (wip-group-by-incremental-sort-v1.patch) at 2020-05-16 14:56:09 from Tomas Vondra <tomas.vondra at 2ndquadrant.com> (Patch: Yes)
    Attachment (v12-0001-Add-tests-for-group-by-optimization.patch) at 2019-05-03 20:28:21 from Dmitry Dolgov <9erthalion6 at gmail.com> (Patch: Yes)
    Attachment (v11-0001-Add-tests-for-group-by-optimization.patch) at 2019-04-04 15:11:09 from Dmitry Dolgov <9erthalion6 at gmail.com> (Patch: Yes)
    Attachment (0002-opt_group_by_index_and_order-v10.patch) at 2018-06-13 16:41:20 from Teodor Sigaev <teodor at sigaev.ru> (Patch: Yes)
    Attachment (0001-opt_group_by_index-v9.patch) at 2018-06-07 16:22:13 from Teodor Sigaev <teodor at sigaev.ru> (Patch: Yes)
    Attachment (0001-opt_group_by_index-v8.patch) at 2018-06-06 18:04:09 from Teodor Sigaev <teodor at sigaev.ru> (Patch: Yes)
    Attachment (0002-opt_group_by_index_and_order-v7.patch) at 2018-06-05 17:56:19 from Teodor Sigaev <teodor at sigaev.ru> (Patch: Yes)
    Attachment (opt_group_by-v6.patch) at 2018-05-30 16:17:42 from Teodor Sigaev <teodor at sigaev.ru> (Patch: Yes)
    Attachment (opt_group_by-v5.patch) at 2018-05-29 23:07:50 from Teodor Sigaev <teodor at sigaev.ru> (Patch: Yes)
History
When Who What
2024-01-26 14:37:36 vigneshwaran C (vignesh.postgres) Closed in commitfest 2024-01 with status: Committed
2024-01-26 14:37:36 vigneshwaran C (vignesh.postgres) Changed committer to smagen
2023-12-04 09:49:06 John Naylor (john.naylor) Closed in commitfest 2023-11 with status: Moved to next CF
2023-11-02 14:32:56 John Naylor (john.naylor) New status: Needs review
2023-09-13 05:27:49 Andrei Lepikhov (lepikhov) New status: Waiting on Author
2023-09-13 05:27:40 Andrei Lepikhov (lepikhov) Changed authors to Fedor Sigaev (sigaev), Tomas Vondra (fuzzycz), Andrei Lepikhov (lepikhov)
2023-09-13 05:26:58 Andrei Lepikhov (lepikhov) Attached mail thread 7c79e6a5-8597-74e8-0671-1c39d124c9d6@sigaev.ru
2023-09-13 05:26:57 Andrei Lepikhov (lepikhov) Created patch record
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