Horton

Remove char_tolower() API.

Jeff Davis <jdavis@postgresql.org>

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Commit: 1e493158d3d25771ed066028c00cbbdb41573496
Author: Jeff Davis <jdavis@postgresql.org>
Date: 2025-12-10T19:55:59Z
Releases: 19 (unreleased) 
Remove char_tolower() API.

It's only useful for an ILIKE optimization for the libc provider using
a single-byte encoding and a non-C locale, but it creates significant
internal complexity.

Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/450ceb6260cad30d7afdf155d991a9caafee7c0d.camel@j-davis.com

Files

PathChange+/−
src/backend/utils/adt/like.c modified +17 −29
src/backend/utils/adt/like_match.c modified +11 −7
src/backend/utils/adt/pg_locale.c modified +0 −26
src/backend/utils/adt/pg_locale_libc.c modified +0 −10
src/include/utils/pg_locale.h modified +0 −9

Discussion