Improving planner's estimates of TupleHashTable sizes

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ID 6196
Title Improving planner's estimates of TupleHashTable sizes
CI (CFBot) Summary
Stats (from CFBot) Patch version: v2, Patch count: 2, First patch: +203−31, All patches: +253−125
Topic Performance
Tags
Created 2025-10-31 18:16:46
Last modified 2025-10-31 18:16:46 (10 hours ago)
Latest email 2025-10-31 19:22:27 (9 hours ago)
Status
PG19-3 (2025-11-01 – 2025-11-30): Needs review
Target version
Authors Tom Lane (tgl)
Reviewers Become reviewer
Committer
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Should HashSetOp go away
First at 2025-10-26 16:47:36 by Jeff Janes <jeff.janes at gmail.com>
Latest at 2025-10-31 19:22:27 by Tom Lane <tgl at sss.pgh.pa.us>
Latest attachment (v2-0001-Improve-planner-s-estimates-of-tuple-hash-table-s.patch) at 2025-10-31 19:22:27 from Tom Lane <tgl at sss.pgh.pa.us>
    Attachment (v2-0001-Improve-planner-s-estimates-of-tuple-hash-table-s.patch) at 2025-10-31 19:22:27 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (v1-0001-Improve-planner-s-estimates-of-tuple-hash-table-s.patch) at 2025-10-31 18:09:48 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (use-bump-context-in-nodeSetOp.patch) at 2025-10-26 20:16:20 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
History
When Who What
2025-10-31 18:16:46 Tom Lane (tgl) Attached mail thread CAMkU=1zia0JfW_QR8L5xA2vpa0oqVuiapm78h=WpNsHH13_9uw@mail.gmail.com
2025-10-31 18:16:46 Tom Lane (tgl) Created patch record
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