Skipping NULL keys when uniqueifying a semijoin's RHS

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ID 7201
Title Skipping NULL keys when uniqueifying a semijoin's RHS
CI (CFBot) Summary
Stats (from CFBot) Patch version: v2, Patch count: 1, First patch: +154−38, All patches: +154−38
Tags Performance
Created 2026-08-25 21:12:30
Last modified 2026-08-26 13:37:49 (2 weeks ago)
Latest email 2026-09-09 16:48:39 (5 days ago)
Status
PG20-2 (2026-09-01 – 2026-09-30): Needs review
Target version 20
Authors William Bernbaum (wjb-fwx)
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Skipping NULL keys when uniqueifying a semijoin's RHS
First at 2026-08-25 14:27:07 by William Bernbaum <wbernbaum at dwdev.com>
Latest at 2026-09-09 16:48:39 by Haibo Yan <tristan.yim at gmail.com>
Latest attachment (v2-0001-Skipping-NULL-keys-when-uniqueifying-a-semijoin-s.patch) at 2026-08-31 09:45:46 from William Bernbaum <wbernbaum at dwdev.com>
    Attachment (v2-0001-Skipping-NULL-keys-when-uniqueifying-a-semijoin-s.patch) at 2026-08-31 09:45:46 from William Bernbaum <wbernbaum at dwdev.com> (Patch: No)
    Attachment (v1-0001-Skipping-NULL-keys-when-uniqueifying-a-semijoin-s.patch) at 2026-08-25 14:27:07 from William Bernbaum <wbernbaum at dwdev.com> (Patch: No)
Skipping NULL keys when uniqueifying a semijoin's RHS
First at 2026-08-25 19:58:51 by William Bernbaum <wbernbaum at dwdev.com>
Latest at 2026-08-25 19:58:51 by William Bernbaum <wbernbaum at dwdev.com>
Latest attachment (v1-0001-Skipping-NULL-keys-when-uniqueifying-a-semijoin-s.patch) at 2026-08-25 19:58:51 from William Bernbaum <wbernbaum at dwdev.com>
    Attachment (v1-0001-Skipping-NULL-keys-when-uniqueifying-a-semijoin-s.patch) at 2026-08-25 19:58:51 from William Bernbaum <wbernbaum at dwdev.com> (Patch: No)
History
When Who What
2026-08-31 10:05:36 CFbot Patch does not need rebase anymore
2026-08-30 10:10:26 CFbot Patch needs rebase
2026-08-26 13:37:49 William Bernbaum (wjb-fwx) Attached mail thread PH0PR18MB44436F7F588A50C0EB92383DA6AF2@PH0PR18MB4443.namprd18.prod.outlook.com
2026-08-25 21:12:30 William Bernbaum (wjb-fwx) Attached mail thread PH0PR18MB444313BCAE02E5E8ECFDA848A6AF2@PH0PR18MB4443.namprd18.prod.outlook.com
2026-08-25 21:12:30 William Bernbaum (wjb-fwx) Created patch record
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