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: v2, Patch count: 2, First patch: +21−13, All patches: +268−246
Topic Bug Fixes
Tags
Created 2025-12-27 21:34:42
Last modified 2025-12-29 18:02:04 (2 weeks ago)
Latest email 2025-12-29 06:19:05 (2 weeks ago)
Status
PG19-4 (2026-01-01 – 2026-01-31): Committed
Target version 19
Authors Tom Lane (tgl)
Reviewers Become reviewer
Committer Tom Lane (tgl)
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 2025-12-29 18:08:39 by Tom Lane <tgl at sss.pgh.pa.us>
Latest attachment (v2-0001-Further-stabilize-a-postgres_fdw-test-case.patch) at 2025-12-28 22:56:40 from Tom Lane <tgl at sss.pgh.pa.us>
    Attachment (v2-0001-Further-stabilize-a-postgres_fdw-test-case.patch) at 2025-12-28 22:56:40 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    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
2025-12-29 18:02:04 Tom Lane (tgl) Closed in commitfest PG19-4 with status: Committed
2025-12-29 18:02:04 Tom Lane (tgl) Changed committer to tgl
2025-12-27 21:34:43 Tom Lane (tgl) Attached mail thread [email protected]
2025-12-27 21:34:42 Tom Lane (tgl) Created patch record
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