pgsql: Add support for Unicode case folding.

From: Jeff Davis <jdavis(at)postgresql(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Add support for Unicode case folding.
Date: 2025-01-23 17:10:58
Message-ID: E1tb0jK-0037mh-7j@gemulon.postgresql.org
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Add support for Unicode case folding.

Expand case mapping tables to include entries for case folding, which
are parsed from CaseFolding.txt.

Discussion: https://postgr.es/m/a1886ddfcd8f60cb3e905c93009b646b4cfb74c5.camel%40j-davis.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/4e7f62bc386a479593e4e8ecfb94370f5a88e522

Modified Files
--------------
src/common/unicode/Makefile | 6 +-
src/common/unicode/case_test.c | 32 +-
src/common/unicode/generate-unicode_case_table.pl | 110 +-
src/common/unicode/meson.build | 4 +-
src/common/unicode_case.c | 32 +
src/include/common/unicode_case.h | 3 +
src/include/common/unicode_case_table.h | 6218 +++++++++++----------
7 files changed, 3280 insertions(+), 3125 deletions(-)

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