Assert failure in parallel query due to SubPlan double visit for hash join

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ID 7554
Title Assert failure in parallel query due to SubPlan double visit for hash join
CI (CFBot) Summary
Stats (from CFBot) Patch version: v1, Patch count: 1, First patch: +273−143, All patches: +273−143
Tags Bugfix
Created 2026-10-29 23:00:38
Last modified 2026-10-29 23:00:39 (1 hour ago)
Latest email 2026-10-29 22:56:23 (1 hour ago)
Status
PG20-3 (2026-11-01 – 2026-11-30): Needs review
Target version
Authors Lukas Fittl (lfittl)
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Assert failure in parallel query due to SubPlan double visit for hash join
First at 2026-10-26 23:21:26 by Lukas Fittl <lukas at fittl.com>
Latest at 2026-10-29 22:56:23 by Lukas Fittl <lukas at fittl.com>
Latest attachment (v1-0001-Process-each-PlanState-only-once-during-parallel-.patch) at 2026-10-26 23:21:26 from Lukas Fittl <lukas at fittl.com>
    Attachment (v1-0001-Process-each-PlanState-only-once-during-parallel-.patch) at 2026-10-26 23:21:26 from Lukas Fittl <lukas at fittl.com> (Patch: No)
History
When Who What
2026-10-29 23:00:38 Lukas Fittl (lfittl) Attached mail thread CAP53PkzYGGESHX+dsy04rcO-7PpBjGg-QNzfLcAC+agydukTcA@mail.gmail.com
2026-10-29 23:00:38 Lukas Fittl (lfittl) Created patch record
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