From a9f365b0ebd0c71ad2fec3bba8dbf7a21b502e3a Mon Sep 17 00:00:00 2001 From: Jeff Davis Date: Sun, 26 Oct 2025 14:59:40 -0700 Subject: [PATCH v6 3/9] Avoid global LC_CTYPE dependency in like.c. Call char_tolower() instead of pg_tolower(). --- src/backend/utils/adt/like.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/src/backend/utils/adt/like.c b/src/backend/utils/adt/like.c index 37c1c86aee8..364c39cf4fb 100644 --- a/src/backend/utils/adt/like.c +++ b/src/backend/utils/adt/like.c @@ -96,7 +96,14 @@ SB_lower_char(unsigned char c, pg_locale_t locale) if (locale->ctype_is_c) return pg_ascii_tolower(c); else if (locale->is_default) - return pg_tolower(c); + { + if (c >= 'A' && c <= 'Z') + return c + ('a' - 'A'); + else if (IS_HIGHBIT_SET(c)) + return char_tolower(c, locale); + else + return c; + } else return char_tolower(c, locale); } -- 2.43.0