Unsafe qual pushdown through DISTINCT with simple CASE expressions

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ID 7180
Title Unsafe qual pushdown through DISTINCT with simple CASE expressions
CI (CFBot) Summary
Stats (from CFBot) Patch count: 1, First patch: +84−21, All patches: +84−21
Tags Bugfix
Created 2026-08-24 01:15:29
Last modified 2026-08-24 01:15:29 (1 hour ago)
Latest email 2026-08-18 07:05:45 (5 days ago)
Status
PG20-2 (2026-09-01 – 2026-09-30): Needs review
Target version
Authors Tender Wang (tndrwang)
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Committer
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Unsafe qual pushdown through DISTINCT with simple CASE expressions
First at 2026-08-18 00:54:00 by Tender Wang <tndrwang at gmail.com>
Latest at 2026-08-18 07:05:45 by "pgsql-hackers" <pgsql-hackers at alibaba-inc.com>
Latest attachment (0001-Fix-case-when.patch) at 2026-08-18 00:54:00 from Tender Wang <tndrwang at gmail.com>
    Attachment (0001-Fix-case-when.patch) at 2026-08-18 00:54:00 from Tender Wang <tndrwang at gmail.com> (Patch: No)
History
When Who What
2026-08-24 01:15:29 Tender Wang (tndrwang) Attached mail thread CAHewXNkvGTOgijRLjmudpg=wz0d-J8ChY2o7ksh3Be+Q_Bxwog@mail.gmail.com
2026-08-24 01:15:29 Tender Wang (tndrwang) Created patch record
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