Skip a redundant singleton GROUP BY node

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ID 7419
Title Skip a redundant singleton GROUP BY node
CI (CFBot) Summary
Stats (from CFBot) Patch count: 2, First patch: +85−77, All patches: +1315−135
Tags Performance
Created 2026-10-09 00:36:17
Last modified 2026-10-09 00:37:23 (2 hours ago)
Latest email 2026-10-09 01:04:06 (1 hour ago)
Status
PG20-3 (2026-11-01 – 2026-11-30): Needs review
Target version
Authors Xiangxin Zeng (xiangxin-zeng)
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Skip a redundant singleton GROUP BY node
First at 2026-10-09 00:22:48 by zengxx <xiangxin_zeng at qq.com>
Latest at 2026-10-09 01:04:06 by zengxx <xiangxin_zeng at qq.com>
Latest attachment (0001-Refactor-unique-index-GROUP-BY-key-matching.patch) at 2026-10-09 00:22:48 from zengxx <xiangxin_zeng at qq.com>
    Attachment (0001-Refactor-unique-index-GROUP-BY-key-matching.patch) at 2026-10-09 00:22:48 from zengxx <xiangxin_zeng at qq.com> (Patch: No)
History
When Who What
2026-10-09 00:36:17 Xiangxin Zeng (xiangxin-zeng) Attached mail thread tencent_F52C0D4C4415EB90AF70934BE597CDCDB306@qq.com
2026-10-09 00:36:17 Xiangxin Zeng (xiangxin-zeng) Created patch record
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