BUG #19684: Assertion in tuplesort_begin_heap() falsified by parallel plan with sort

Title

CI (CFBot)

Summary

Stats (from CFBot)

Patch version: v3, Patch count: 1, First patch: +40−1, All patches: +40−1

Tags

Bugfix

Created

2026-09-12 19:14:27

Last modified

2026-10-21 03:47:03 (3 days ago)

Latest email

2026-09-28 15:41:17 (3 weeks ago)

Status

PG20-3 (2026-11-01 – 2026-11-30): Ready for Committer

Target version

stable

Authors

Ayush Tiwari (aytiwari)

Reviewers

Trakshan Mishra (trakshanm) Become reviewer

Committer

Links

Emails

BUG #19684: Assertion in tuplesort_begin_heap() falsified by parallel plan with sort: First at 2026-09-11 20:00:01 by PG Bug reporting form <noreply at postgresql.org>
Latest at 2026-09-14 09:34:57 by Ayush Tiwari <ayushtiwari.slg01 at gmail.com>
Latest attachment (v3-0001-Fix-zero-column-UNION-with-parallel-plans.patch) at 2026-09-14 09:34:57 from Ayush Tiwari <ayushtiwari.slg01 at gmail.com>
    Attachment (v3-0001-Fix-zero-column-UNION-with-parallel-plans.patch) at 2026-09-14 09:34:57 from Ayush Tiwari <ayushtiwari.slg01 at gmail.com> (Patch: No)
    Attachment (v2-0001-Fix-zero-column-UNION-with-parallel-plans.patch) at 2026-09-13 06:36:13 from Ayush Tiwari <ayushtiwari.slg01 at gmail.com> (Patch: No)
    Attachment (v1-0001-Fix-zero-column-UNION-with-parallel-plans.patch) at 2026-09-12 16:45:36 from Ayush Tiwari <ayushtiwari.slg01 at gmail.com> (Patch: No)
Re: BUG #19684: Assertion in tuplesort_begin_heap() falsified by parallel plan with sort: First at 2026-09-28 15:41:17 by Trakshan Mishra <trakshanmishra477 at gmail.com>
Latest at 2026-09-28 15:41:17 by Trakshan Mishra <trakshanmishra477 at gmail.com>

History

When	Who	What
2026-10-21 03:47:03	Trakshan Mishra (trakshanm)	New status: Ready for Committer
2026-09-28 15:47:42	Trakshan Mishra (trakshanm)	Added trakshanm as reviewer
2026-09-28 15:43:30	Trakshan Mishra (trakshanm)	Attached mail thread CACRpqq9Dd8cyYJ6V7TvDw_f8Q4JaE9mzwzPPPUNjdw_aHAtUfw@mail.gmail.com
2026-09-12 19:14:27	Ayush Tiwari (aytiwari)	Attached mail thread 19684-fa0b7fdc7d235fd9@postgresql.org
2026-09-12 19:14:27	Ayush Tiwari (aytiwari)	Created patch record