Remove self join on a unique column

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Change Status
ID 1712
Title Remove self join on a unique column
Topic Performance
Created 2018-07-02 16:28:46
Last modified 2023-10-25 10:02:10 (1 year, 1 month ago)
Latest email 2024-10-28 21:18:27 (1 month ago)
Status
2023-11: Committed
2023-09: Moved to next CF
2023-07: Moved to next CF
2023-03: Moved to next CF
2023-01: Moved to next CF
2022-11: Moved to next CF
2022-09: Moved to next CF
2022-07: Moved to next CF
2022-03: Moved to next CF
2022-01: Moved to next CF
2021-11: Moved to next CF
2021-09: Moved to next CF
2021-07: Moved to next CF
2021-03: Moved to next CF
2021-01: Moved to next CF
2020-11: Moved to next CF
2020-09: Moved to next CF
2020-07: Moved to next CF
2020-03: Moved to next CF
2020-01: Moved to next CF
2019-11: Moved to next CF
2019-09: Moved to next CF
2019-07: Moved to next CF
2019-03: Moved to next CF
2019-01: Moved to next CF
2018-11: Moved to next CF
2018-09: Moved to next CF
Target version
Authors Konstantin Knizhnik (knizhnik), Alexander Kuzmenkov (akuzmenkov), Andrei Lepikhov (lepikhov)
Reviewers Alena Rybakina (a.rybakina)Become reviewer
Committer Alexander Korotkov (smagen)
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Emails
Removing unneeded self joins
First at 2018-05-16 15:43:33 by Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru>
Latest at 2024-10-28 21:18:27 by Alexander Korotkov <aekorotkov at gmail.com>
Latest attachment (v10-0001-Remove-useless-self-joins.patch) at 2024-10-28 21:18:27 from Alexander Korotkov <aekorotkov at gmail.com>
    Attachment (v10-0001-Remove-useless-self-joins.patch) at 2024-10-28 21:18:27 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (v9-0001-Remove-useless-self-joins.patch) at 2024-10-28 09:32:50 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v8-0001-Remove-useless-self-joins.patch) at 2024-10-08 03:54:02 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v7-0001-Remove-useless-self-joins.patch) at 2024-07-20 11:38:48 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (unknown_filename) at 2024-07-16 14:26:40 from Вардан Погосян <vardan.pogosyn at yandex.ru> (Patch: No)
    Attachment (v6-0001-Remove-useless-self-joins.patch) at 2024-07-15 05:31:33 from jian he <jian.universality at gmail.com> (Patch: Yes)
    Attachment (v4-0002-Apply-SJE-to-DML-queries-2.patch) at 2024-07-12 03:05:15 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v5-0002-refactor-comments-in-remove_self_joins_one_group.patch) at 2024-07-11 07:43:00 from jian he <jian.universality at gmail.com> (Patch: Yes)
    Attachment (v4-0001-Remove-useless-self-joins.patch) at 2024-07-09 06:06:10 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v3-0002-make-SJE-to-apply-DML-MERGE-UPDATE-INSERT-DELETE.patch) at 2024-07-02 00:25:00 from jian he <jian.universality at gmail.com> (Patch: Yes)
    Attachment (v2-0002-make-SJE-to-apply-DML.patch) at 2024-06-17 00:00:00 from jian he <jian.universality at gmail.com> (Patch: Yes)
    Attachment (0001-Remove-useless-self-joins-v49.patch) at 2024-06-13 03:45:38 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v2-0002-Minor-refactoring-for-self-join-elimination-code.patch) at 2024-05-02 23:04:40 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (v1-0001-Fix-bogus-lateral-dependency-after-self-join-removal.patch) at 2024-05-02 13:14:20 from Richard Guo <guofenglinux at gmail.com> (Patch: Yes)
    Attachment (0001-Forbid-self-join-elimination-on-table-sampling-scans.patch) at 2024-05-02 09:44:54 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (sje_tablesample.patch) at 2024-05-01 11:59:58 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (sje_skip_cross_lateral_vars.patch) at 2024-04-30 10:20:54 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (v1-0001-Replace-lateral-references-to-removed-rels-in-subqueries.patch) at 2024-02-21 07:26:57 from Richard Guo <guofenglinux at gmail.com> (Patch: Yes)
    Attachment (0001-Replace-relids-in-lateral-subquery-target-list-du-v2.patch) at 2024-02-19 05:24:09 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Replace-relids-in-lateral-subquery-target-list-du-v1.patch) at 2024-02-18 16:18:21 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (quickfix.diff) at 2023-12-29 09:58:11 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-useless-self-joins-v48.patch) at 2023-10-23 11:29:15 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (0001-Remove-useless-self-joins-v47.patch) at 2023-10-23 09:47:53 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (minor_changes.diff) at 2023-10-23 03:43:13 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-useless-self-joins-v46.patch) at 2023-10-21 22:01:49 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (0001-Remove-useless-self-joins-v45.patch) at 2023-10-18 18:50:37 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (iterative_elimination.diff) at 2023-10-16 08:28:13 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (minor-changes-v44.diff) at 2023-10-13 02:55:13 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-useless-self-joins-v44.patch) at 2023-10-12 11:32:27 from Alexander Korotkov <aekorotkov at gmail.com> (Patch: Yes)
    Attachment (self-join-removal.diff) at 2023-10-10 19:29:58 from Alena Rybakina <lena.ribackina at yandex.ru> (Patch: Yes)
    Attachment (check_attnotnull.diff) at 2023-10-05 09:17:08 from Andrei Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v43-0001-Remove-self-joins.patch) at 2023-09-12 11:49:05 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v41-v42-delta.txt) at 2023-07-05 14:28:59 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v41-0001-Remove-self-joins.patch) at 2023-06-30 10:50:19 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v40-0001-Remove-self-joins.patch) at 2023-05-25 09:40:35 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v39-0001-Remove-self-joins.patch) at 2022-12-16 06:45:30 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v38-0001-Remove-self-joins.patch) at 2022-10-05 12:25:18 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v37-0001-Remove-self-joins.patch) at 2022-08-29 05:05:29 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v36-0001-Remove-self-joins.patch) at 2022-08-26 12:22:08 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v35-0001-Remove-self-joins.patch) at 2022-06-30 14:11:51 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v34-0001-Remove-self-joins.patch) at 2022-05-19 10:48:18 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v33-0001-Remove-self-joins.patch) at 2022-05-13 05:07:47 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v32-0001-Remove-self-joins.patch) at 2022-04-04 08:27:45 from "Andrey V. Lepikhov" <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v31-0001-Remove-self-joins.patch) at 2022-03-24 05:21:54 from "Andrey V. Lepikhov" <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v30-0001-Remove-self-joins.patch) at 2022-03-04 10:47:47 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (select_nonoptimize1.sql) at 2022-03-01 00:09:49 from Jaime Casanova <jcasanov at systemguards.com.ec> (Patch: No)
    Attachment (v29-0001-Remove-self-joins.patch) at 2021-07-27 05:34:30 from "Andrey V. Lepikhov" <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v28-0001-Remove-self-joins.patch) at 2021-07-15 14:49:11 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (equivclass.patch) at 2021-05-27 06:51:23 from "Andrey V. Lepikhov" <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v26-0001-Remove-self-joins.patch) at 2021-05-07 07:23:00 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v25_1-0001-Remove-self-joins.patch) at 2021-01-11 04:07:15 from "Andrey V. Lepikhov" <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v25-0001-Remove-self-joins.patch) at 2020-11-30 05:50:57 from "Andrey V. Lepikhov" <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v24-0001-Remove-self-joins.patch) at 2020-10-31 09:26:29 from "Andrey V. Lepikhov" <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-Self-Joins-v.23.patch) at 2020-04-03 04:43:41 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: No)
    Attachment (0001-Remove-self-joins-v.22.patch) at 2020-01-28 04:10:07 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-self-joins-v21.patch) at 2019-11-05 18:20:28 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-self-joins-v20.patch) at 2019-09-30 08:29:44 from Konstantin Knizhnik <k.knizhnik at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-self-joins-20.patch) at 2019-09-27 16:38:00 from Konstantin Knizhnik <k.knizhnik at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-self-joins-v19.patch) at 2019-08-07 16:23:34 from Konstantin Knizhnik <k.knizhnik at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-self-joins-v18.patch) at 2019-08-05 11:24:52 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-Self-Joins-v17.patch) at 2019-06-27 06:42:05 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-self-joins-v16.patch) at 2019-05-13 16:21:24 from Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru> (Patch: Yes)
    Attachment (v15-0001-Remove-self-joins.patch) at 2019-03-25 15:13:24 from Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru> (Patch: Yes)
    Attachment (v14-remove-unique-self-joins.patch) at 2019-03-25 04:07:33 from David Rowley <david.rowley at 2ndquadrant.com> (Patch: Yes)
    Attachment (v13-0001-Remove-unique-self-joins.patch) at 2019-03-22 14:39:40 from Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru> (Patch: Yes)
    Attachment (v12-0001-Remove-unique-self-joins.patch) at 2019-03-20 12:20:35 from Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru> (Patch: Yes)
    Attachment (v11-0001-Remove-self-joins-on-a-unique-column.patch) at 2019-02-28 14:09:34 from Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-self-joins-v10.patch) at 2019-02-22 00:25:12 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (0001-Remove-self-joins-v9.patch) at 2018-12-24 16:28:01 from Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru> (Patch: Yes)
    Attachment (remove-self-join-v7.patch) at 2018-11-21 12:54:20 from Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru> (Patch: Yes)
    Attachment (remove-self-join-v6.patch) at 2018-10-18 12:47:09 from Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru> (Patch: Yes)
    Attachment (remove-self-joins-v5.patch) at 2018-10-08 14:52:21 from Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-unique-self-joins-v4.patch) at 2018-08-03 16:49:47 from Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Remove-unique-self-joins-v3.patch) at 2018-07-27 12:26:03 from Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru> (Patch: Yes)
    Attachment (0002-Remove-unique-self-joins-v2.patch) at 2018-06-25 15:26:28 from Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru> (Patch: Yes)
    Attachment (remove-self-join-v1.patch) at 2018-05-16 15:43:33 from Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru> (Patch: Yes)
History
When Who What
2023-10-25 10:02:10 Alexander Korotkov (smagen) Closed in commitfest 2023-11 with status: Committed
2023-10-25 10:02:10 Alexander Korotkov (smagen) Changed committer to smagen
2023-10-19 19:13:19 Alena Rybakina (a.rybakina) Added a.rybakina as reviewer
2023-10-02 17:36:00 Peter Eisentraut (petere) Closed in commitfest 2023-09 with status: Moved to next CF
2023-10-02 17:35:51 Peter Eisentraut (petere) Changed reviewers to
2023-08-02 07:39:15 Daniel Gustafsson (d_gustafsson) Closed in commitfest 2023-07 with status: Moved to next CF
2023-07-04 07:42:16 Daniel Gustafsson (d_gustafsson) New status: Needs review
2023-04-03 20:30:32 Greg Stark (stark) Closed in commitfest 2023-03 with status: Moved to next CF
2023-02-16 22:39:17 David Rowley (davidrowley) Removed davidrowley from reviewers
2023-01-31 16:42:24 vigneshwaran C (vignesh.postgres) Closed in commitfest 2023-01 with status: Moved to next CF
2022-12-08 14:08:27 Ian Barwick (barwick) Closed in commitfest 2022-11 with status: Moved to next CF
2022-12-07 18:29:03 Andres Freund (andresfreund) New status: Waiting on Author
2022-10-12 07:02:18 Michael Paquier (michael-kun) Closed in commitfest 2022-09 with status: Moved to next CF
2022-08-01 16:49:36 Jacob Champion (jchampion) Closed in commitfest 2022-07 with status: Moved to next CF
2022-06-30 15:31:51 Ronan Dunklau (rdunklau) Added rdunklau as reviewer
2022-04-08 14:05:41 Greg Stark (stark) Closed in commitfest 2022-03 with status: Moved to next CF
2022-04-04 09:03:17 Andrei Lepikhov (lepikhov) New status: Needs review
2022-04-01 15:28:01 Greg Stark (stark) New status: Waiting on Author
2022-03-24 05:23:07 Andrei Lepikhov (lepikhov) New status: Needs review
2022-03-22 00:58:49 Andres Freund (andresfreund) New status: Waiting on Author
2022-02-02 16:29:51 Julien Rouhaud (rjuju) Closed in commitfest 2022-01 with status: Moved to next CF
2021-12-02 11:12:04 Daniel Gustafsson (d_gustafsson) Closed in commitfest 2021-11 with status: Moved to next CF
2021-10-05 16:30:59 Jaime Casanova (jcasanov) Closed in commitfest 2021-09 with status: Moved to next CF
2021-10-05 16:30:47 Jaime Casanova (jcasanov) Added jcasanov as reviewer
2021-08-03 02:26:48 Masahiko Sawada (masahikosawada) Closed in commitfest 2021-07 with status: Moved to next CF
2021-07-15 14:50:33 Andrei Lepikhov (lepikhov) New status: Needs review
2021-07-15 12:05:27 vigneshwaran C (vignesh.postgres) New status: Waiting on Author
2021-04-08 15:41:25 David Steele (dsteele) Closed in commitfest 2021-03 with status: Moved to next CF
2021-03-12 09:05:06 Hywel Carver (hywel) Posted review with messageid <161553990603.28624.7702383984090736980.pgcf@coridan.postgresql.org>
2021-02-01 12:33:02 Masahiko Sawada (masahikosawada) Closed in commitfest 2021-01 with status: Moved to next CF
2021-01-11 04:07:53 Andrei Lepikhov (lepikhov) New status: Needs review
2020-12-01 14:09:54 Anastasia Lubennikova (lubennikovaav) New status: Waiting on Author
2020-12-01 14:09:46 Anastasia Lubennikova (lubennikovaav) Closed in commitfest 2020-11 with status: Moved to next CF
2020-12-01 14:09:42 Anastasia Lubennikova (lubennikovaav) New status: Needs review
2020-11-29 17:17:44 Heikki Linnakangas (heikki) New status: Waiting on Author
2020-11-27 10:40:13 Andrei Lepikhov (lepikhov) New status: Needs review
2020-09-30 06:56:09 Michael Paquier (michael-kun) New status: Waiting on Author
2020-09-30 06:56:01 Michael Paquier (michael-kun) Closed in commitfest 2020-09 with status: Moved to next CF
2020-09-30 06:55:59 Michael Paquier (michael-kun) New status: Needs review
2020-09-23 04:23:50 David Rowley (davidrowley) New status: Waiting on Author
2020-09-21 22:16:38 David Rowley (davidrowley) Added davidrowley as reviewer
2020-08-03 08:46:10 Daniel Gustafsson (d_gustafsson) Closed in commitfest 2020-07 with status: Moved to next CF
2020-08-02 21:13:15 David Rowley (davidrowley) Removed davidrowley from reviewers
2020-04-08 15:29:51 David Steele (dsteele) Closed in commitfest 2020-03 with status: Moved to next CF
2020-04-03 04:44:12 Andrei Lepikhov (lepikhov) New status: Needs review
2020-04-01 15:35:08 David Steele (dsteele) New status: Waiting on Author
2020-02-01 12:50:07 Tomas Vondra (fuzzycz) Closed in commitfest 2020-01 with status: Moved to next CF
2019-11-30 02:18:39 Michael Paquier (michael-kun) Closed in commitfest 2019-11 with status: Moved to next CF
2019-11-05 18:21:48 Andrei Lepikhov (lepikhov) Changed authors to Konstantin Knizhnik (knizhnik), Alexander Kuzmenkov (akuzmenkov), Andrey Lepikhov (lepikhov)
2019-09-30 18:55:30 Álvaro Herrera (alvherre) Closed in commitfest 2019-09 with status: Moved to next CF
2019-08-01 23:55:00 Thomas Munro (macdice) Closed in commitfest 2019-07 with status: Moved to next CF
2019-04-03 12:27:44 Alexander Kuzmenkov (akuzmenkov) Closed in commitfest 2019-03 with status: Moved to next CF
2019-04-03 12:27:33 Alexander Kuzmenkov (akuzmenkov) New status: Needs review
2019-03-20 22:55:18 David Rowley (davidrowley) Added davidrowley as reviewer
2019-03-17 11:09:20 David Rowley (davidrowley) New status: Waiting on Author
2019-02-01 12:40:43 Alexander Kuzmenkov (akuzmenkov) Closed in commitfest 2019-01 with status: Moved to next CF
2018-11-29 12:23:49 Alexander Kuzmenkov (akuzmenkov) Closed in commitfest 2018-11 with status: Moved to next CF
2018-10-02 01:18:02 Michael Paquier (michael-kun) Closed in commitfest 2018-09 with status: Moved to next CF
2018-07-02 16:29:07 Alexander Kuzmenkov (akuzmenkov) Changed authors to Alexander Kuzmenkov (akuzmenkov)
2018-07-02 16:28:47 Alexander Kuzmenkov (akuzmenkov) Attached mail thread 64486b0b-0404-e39e-322d-0801154901f3@postgrespro.ru
2018-07-02 16:28:46 Alexander Kuzmenkov (akuzmenkov) Created patch record
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