presto-hive/src/main/java/io/prestosql/plugin/hive/HiveColumnHandle.java/HiveColumnHandle/bucketColumnHandle
class HiveColumnHandle:    public static HiveColumnHandle bucketColumnHandle()
    {
        return new HiveColumnHandle(BUCKET_COLUMN_NAME, BUCKET_HIVE_TYPE, BUCKET_TYPE_SIGNATURE, BUCKET_COLUMN_INDEX, SYNTHESIZED, Optional.empty());
    }