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path: root/src/backend/utils/adt/pg_locale_builtin.c
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Diffstat (limited to 'src/backend/utils/adt/pg_locale_builtin.c')
-rw-r--r--src/backend/utils/adt/pg_locale_builtin.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/backend/utils/adt/pg_locale_builtin.c b/src/backend/utils/adt/pg_locale_builtin.c
index 0c2920112bb..145b4641b1b 100644
--- a/src/backend/utils/adt/pg_locale_builtin.c
+++ b/src/backend/utils/adt/pg_locale_builtin.c
@@ -208,6 +208,8 @@ static const struct ctype_methods ctype_methods_builtin = {
.strtitle = strtitle_builtin,
.strupper = strupper_builtin,
.strfold = strfold_builtin,
+ /* uses plain ASCII semantics for historical reasons */
+ .downcase_ident = NULL,
.wc_isdigit = wc_isdigit_builtin,
.wc_isalpha = wc_isalpha_builtin,
.wc_isalnum = wc_isalnum_builtin,