EUC_* ILIKE index scan stopped matching seq scan in v19

From: Noah Misch <noah(at)leadboat(dot)com>
To: pgsql(at)j-davis(dot)com
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: EUC_* ILIKE index scan stopped matching seq scan in v19
Date: 2026-08-26 22:15:26
Message-ID: 20260826221526.89.noahmisch@microsoft.com
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Opus 5 found the $SUBJECT regression from commit 630706c "Add pg_iswcased()".
That finding still holds at today's master. I am attaching the LLM's report
and test case.

Attachment Content-Type Size
630706c-EUC-ILIKE-test-v0.patch text/plain 34.6 KB

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