"failed to build any 4-way joins" with ROLLUP over a LATERAL subquery that references the nullable s

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ID 7601
Title "failed to build any 4-way joins" with ROLLUP over a LATERAL subquery that references the nullable s
CI (CFBot) Summary
Stats (from CFBot) Patch count: 1, First patch: +24−1, All patches: +24−1
Tags Bugfix
Created 2026-11-05 07:38:59
Last modified 2026-11-05 07:38:59 (21 minutes ago)
Latest email 2026-10-27 06:35:42 (1 week ago)
Status
PG20-4 (2027-01-01 – 2027-01-31): Needs review
Target version
Authors Tender Wang (tndrwang)
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Committer
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Emails
BUG #19798: "failed to build any 4-way joins" with ROLLUP over a LATERAL subquery that references the nullable s
First at 2026-10-26 13:05:24 by PG Bug reporting form <noreply at postgresql.org>
Latest at 2026-10-27 06:35:42 by Tender Wang <tndrwang at gmail.com>
Latest attachment (0001-Fix-failed-to-build-any-4-way-joins.patch) at 2026-10-27 06:35:42 from Tender Wang <tndrwang at gmail.com>
    Attachment (0001-Fix-failed-to-build-any-4-way-joins.patch) at 2026-10-27 06:35:42 from Tender Wang <tndrwang at gmail.com> (Patch: No)
History
When Who What
2026-11-05 07:38:59 Tender Wang (tndrwang) Attached mail thread 19798-5a5da856f5f71118@postgresql.org
2026-11-05 07:38:59 Tender Wang (tndrwang) Created patch record
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