class FA {
	static public function query(sql: String) {
		var result = untyped __call__('db_query', sql, sql);
		return new QueryIterator(result);
	}

	static public function tb() : String {
		return untyped __php__('TB_PREF');
	}

	static public function sql2date(sqlDate:Dynamic) : Null<Date> {
		return sqlDate == null ? null : Date.fromString(sqlDate);
	}
}