docs: @Override
  	public CommerceOrder fetchByU_LtC_O_Last(long userId, Date createDate,
  		int orderStatus, OrderByComparator<CommerceOrder> orderByComparator) {
  		int count = countByU_LtC_O(userId, createDate, orderStatus);
  
  		if (count == 0) {
  			return null;
  		}
  
  		List<CommerceOrder> list = findByU_LtC_O(userId, createDate,
  				orderStatus, count - 1, count, orderByComparator);
  
  		if (!list.isEmpty()) {
  			return list.get(0);
  		}
  
  		return null;
  	}