MergeAppend could consider sorting cheapest child path

5719

Title

CI (CFBot)

Summary

Stats (from CFBot)

Patch version: v6, Patch count: 1, First patch: +264−107, All patches: +264−107

Topic

Performance

Created

2025-04-24 14:37:30

Last modified

2025-04-24 14:37:30 (1 month ago)

Latest email

2025-06-04 12:52:04 (6 days ago)

Status

2025-07: Needs review

Target version

Authors

Andrei Lepikhov (lepikhov), Alexander Pyhalov (a.pyhalov)

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MergeAppend could consider sorting cheapest child path: First at 2024-06-18 16:45:09 by Alexander Pyhalov <a.pyhalov at postgrespro.ru>
Latest at 2025-06-04 12:52:04 by Andrei Lepikhov <lepihov at gmail.com>
Latest attachment (merge_sort.sql) at 2025-06-03 13:23:47 from Andrei Lepikhov <lepihov at gmail.com>
    Attachment (merge_sort.sql) at 2025-06-03 13:23:47 from Andrei Lepikhov <lepihov at gmail.com> (Patch: No)
    Attachment (v5-0001-Consider-explicit-sort-of-the-MergeAppend-subpath.patch) at 2025-05-07 06:57:16 from Alexander Pyhalov <a.pyhalov at postgrespro.ru> (Patch: Yes)
    Attachment (v4-0001-Consider-explicit-sort-of-the-MergeAppend-subpath.patch) at 2025-05-05 13:56:36 from Alexander Pyhalov <a.pyhalov at postgrespro.ru> (Patch: Yes)
    Attachment (v3-0001-Consider-explicit-sort-of-the-MergeAppend-subpath.patch) at 2025-05-05 11:41:17 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v2-0001-Consider-explicit-sort-of-the-MergeAppend-subpath.patch) at 2025-05-05 11:38:39 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v1-0001-Consider-explicit-sort-of-the-MergeAppend-subpath.patch) at 2025-04-29 13:52:40 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v0-0001-Consider-explicit-sort-of-the-MergeAppend-subpath.patch) at 2025-04-24 13:01:18 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v2-0001-MergeAppend-could-consider-using-sorted-best-path.patch) at 2025-03-28 08:19:30 from Alexander Pyhalov <a.pyhalov at postgrespro.ru> (Patch: Yes)
    Attachment (v1-0001-MergeAppend-could-consider-using-sorted-best-path.patch) at 2024-06-18 16:45:09 from Alexander Pyhalov <a.pyhalov at postgrespro.ru> (Patch: Yes)

History

When	Who	What
2025-04-24 14:37:30	Andrei Lepikhov (lepikhov)	Attached mail thread 25d6a2cd161673d51373b7e07e6d9dd6@postgrespro.ru
2025-04-24 14:37:30	Andrei Lepikhov (lepikhov)	Created patch record