diff options
| -rw-r--r-- | src/backend/regex/regc_pg_locale.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/src/backend/regex/regc_pg_locale.c b/src/backend/regex/regc_pg_locale.c index 554a71e75a5..35361c46a60 100644 --- a/src/backend/regex/regc_pg_locale.c +++ b/src/backend/regex/regc_pg_locale.c @@ -231,6 +231,9 @@ static const unsigned char pg_char_properties[128] = { void pg_set_regex_collation(Oid collation) { + pg_locale_t locale = 0; + PG_Locale_Strategy strategy; + if (!OidIsValid(collation)) { /* @@ -246,40 +249,41 @@ pg_set_regex_collation(Oid collation) if (lc_ctype_is_c(collation)) { /* C/POSIX collations use this path regardless of database encoding */ - pg_regex_strategy = PG_REGEX_STRATEGY_C; - pg_regex_locale = 0; - pg_regex_collation = C_COLLATION_OID; + strategy = PG_REGEX_STRATEGY_C; + collation = C_COLLATION_OID; } else { - pg_regex_locale = pg_newlocale_from_collation(collation); + locale = pg_newlocale_from_collation(collation); - if (!pg_locale_deterministic(pg_regex_locale)) + if (!pg_locale_deterministic(locale)) ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), errmsg("nondeterministic collations are not supported for regular expressions"))); - if (pg_regex_locale->provider == COLLPROVIDER_BUILTIN) + if (locale->provider == COLLPROVIDER_BUILTIN) { Assert(GetDatabaseEncoding() == PG_UTF8); - pg_regex_strategy = PG_REGEX_STRATEGY_BUILTIN; + strategy = PG_REGEX_STRATEGY_BUILTIN; } #ifdef USE_ICU - else if (pg_regex_locale->provider == COLLPROVIDER_ICU) + else if (locale->provider == COLLPROVIDER_ICU) { - pg_regex_strategy = PG_REGEX_STRATEGY_ICU; + strategy = PG_REGEX_STRATEGY_ICU; } #endif else { if (GetDatabaseEncoding() == PG_UTF8) - pg_regex_strategy = PG_REGEX_STRATEGY_LIBC_WIDE; + strategy = PG_REGEX_STRATEGY_LIBC_WIDE; else - pg_regex_strategy = PG_REGEX_STRATEGY_LIBC_1BYTE; + strategy = PG_REGEX_STRATEGY_LIBC_1BYTE; } - - pg_regex_collation = collation; } + + pg_regex_strategy = strategy; + pg_regex_locale = locale; + pg_regex_collation = collation; } static int |