Fixing some ancient errors in hash join costing

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ID 6350
Title Fixing some ancient errors in hash join costing
CI (CFBot) Summary
Stats (from CFBot) Patch version: v1, Patch count: 1, First patch: +253−242, All patches: +253−242
Topic Bug Fixes
Tags
Created 2025-12-27 21:34:42
Last modified 2025-12-27 21:34:43 (4 hours ago)
Latest email 2025-12-27 21:31:37 (4 hours ago)
Status
PG19-4 (2026-01-01 – 2026-01-31): Needs review
Target version 19
Authors Tom Lane (tgl)
Reviewers Become reviewer
Committer
Links
Emails
Fixing some ancient errors in hash join costing
First at 2025-12-27 21:31:37 by Tom Lane <tgl at sss.pgh.pa.us>
Latest at 2025-12-27 21:31:37 by Tom Lane <tgl at sss.pgh.pa.us>
Latest attachment (v1-fix-bogus-hashjoin-costing.patch) at 2025-12-27 21:31:37 from Tom Lane <tgl at sss.pgh.pa.us>
    Attachment (v1-fix-bogus-hashjoin-costing.patch) at 2025-12-27 21:31:37 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
History
When Who What
2025-12-27 21:34:43 Tom Lane (tgl) Attached mail thread 2380165.1766871097@sss.pgh.pa.us
2025-12-27 21:34:42 Tom Lane (tgl) Created patch record
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