pgsql: unicode_case.c: change API to signal UTF8 decoding error.

From: Jeff Davis <jdavis(at)postgresql(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: unicode_case.c: change API to signal UTF8 decoding error.
Date: 2026-07-07 22:34:23
Message-ID: E1whEMw-0003dM-2u@gemulon.postgresql.org
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unicode_case.c: change API to signal UTF8 decoding error.

Errors at this point are not expected, but if encountered, signal to
the caller so it can raise the appropriate error.

Reviewed-by: Chao Li <li(dot)evan(dot)chao(at)gmail(dot)com>
Reviewed-by: Ayush Tiwari <ayushtiwari(dot)slg01(at)gmail(dot)com>
Discussion: https://postgr.es/m/c355354e6c3f4a7aafb047361b73db247260fca0.camel@j-davis.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/07211f64ace0150c92a00769a1cfe8b9305b9e78

Modified Files
--------------
src/backend/utils/adt/pg_locale_builtin.c | 50 +++++++++++++++++++++++++------
src/common/unicode/case_test.c | 37 ++++++++++++++---------
src/common/unicode_case.c | 46 +++++++++++++++-------------
src/include/common/unicode_case.h | 8 ++---
4 files changed, 94 insertions(+), 47 deletions(-)

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