Add enable_groupagg GUC parameter to control GroupAggregate usage

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ID 5814
Title Add enable_groupagg GUC parameter to control GroupAggregate usage
CI (CFBot) Summary
Stats (from CFBot) Patch count: 1, First patch: +232−1, All patches: +232−1
Tags Performance
Created 2025-06-11 09:13:38
Last modified 2025-06-11 09:14:27 (1 year ago)
Latest email 2026-07-09 10:55:50 (5 days ago)
Status
PG19-1 (2025-07-01 – 2025-07-31): Needs review
Target version 19
Authors Tatsuro Yamada (tatsuro_yamada)
Reviewers Become reviewer
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Add enable_groupagg GUC parameter to control GroupAggregate usage
First at 2025-06-06 07:59:09 by Tatsuro Yamada <yamatattsu at gmail.com>
Latest at 2026-07-09 10:55:50 by Tatsuro Yamada <tatsuro.yamada at ntt.com>
Latest attachment (v5-0001-Add-an-enable_groupagg-GUC-parameter.patch) at 2026-07-07 06:47:21 from Richard Guo <guofenglinux at gmail.com>
    Attachment (v5-0001-Add-an-enable_groupagg-GUC-parameter.patch) at 2026-07-07 06:47:21 from Richard Guo <guofenglinux at gmail.com> (Patch: Yes)
    Attachment (0001-doc-Clarify-enable_groupagg-also-covers-Unique-and-S.patch) at 2026-06-29 10:02:29 from Tatsuro Yamada <tatsuro.yamada at ntt.com> (Patch: Yes)
    Attachment (v4-0001-Add-an-enable_groupagg-GUC-parameter.patch) at 2026-06-25 03:18:32 from Richard Guo <guofenglinux at gmail.com> (Patch: Yes)
    Attachment (v3-0001-Add-an-enable_groupagg-GUC-parameter.patch) at 2026-06-24 23:05:28 from Richard Guo <guofenglinux at gmail.com> (Patch: Yes)
    Attachment (0001-Add-new-GUC-parameter-enable_groupagg-WIP-r2.patch) at 2025-06-11 08:36:58 from Tatsuro Yamada <yamatattsu at gmail.com> (Patch: Yes)
    Attachment (test_result.txt) at 2025-06-11 03:07:44 from Tatsuro Yamada <yamatattsu at gmail.com> (Patch: No)
    Attachment (test_query.sql) at 2025-06-06 07:59:09 from Tatsuro Yamada <yamatattsu at gmail.com> (Patch: No)
History
When Who What
2025-06-11 09:13:38 Tatsuro Yamada (tatsuro_yamada) Attached mail thread CAOKkKFvYHSEsFazkrf9bRH14p-H27XMaqbZfRYjS6EHBruvZMQ@mail.gmail.com
2025-06-11 09:13:38 Tatsuro Yamada (tatsuro_yamada) Created patch record
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