'Parameters:
- db_name
- tbl_name
- part_vals
- max_parts'

def get_partition_names_ps(self, db_name, tbl_name, part_vals, max_parts):

    self.send_get_partition_names_ps(db_name, tbl_name, part_vals, max_parts)
    return self.recv_get_partition_names_ps()
