diff options
Diffstat (limited to 'src/backend/utils/adt/pg_locale.c')
| -rw-r--r-- | src/backend/utils/adt/pg_locale.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/backend/utils/adt/pg_locale.c b/src/backend/utils/adt/pg_locale.c index 4019255f8ea..c84fdd8525e 100644 --- a/src/backend/utils/adt/pg_locale.c +++ b/src/backend/utils/adt/pg_locale.c @@ -1986,6 +1986,34 @@ icu_set_collation_attributes(UCollator *collator, const char *loc) #endif /* USE_ICU */ /* + * Check if the given locale ID is valid, and ereport(ERROR) if it isn't. + */ +void +check_icu_locale(const char *icu_locale) +{ +#ifdef USE_ICU + UCollator *collator; + UErrorCode status; + + status = U_ZERO_ERROR; + collator = ucol_open(icu_locale, &status); + if (U_FAILURE(status)) + ereport(ERROR, + (errmsg("could not open collator for locale \"%s\": %s", + icu_locale, u_errorName(status)))); + + if (U_ICU_VERSION_MAJOR_NUM < 54) + icu_set_collation_attributes(collator, icu_locale); + ucol_close(collator); +#else + ereport(ERROR, + (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), + errmsg("ICU is not supported in this build"), \ + errhint("You need to rebuild PostgreSQL using %s.", "--with-icu"))); +#endif +} + +/* * These functions convert from/to libc's wchar_t, *not* pg_wchar_t. * Therefore we keep them here rather than with the mbutils code. */ |