docs: @Override
  	public void removeByCD_CN(long commerceDiscountId, long classNameId) {
  		for (CommerceDiscountRel commerceDiscountRel : findByCD_CN(
  				commerceDiscountId, classNameId, QueryUtil.ALL_POS,
  				QueryUtil.ALL_POS, null)) {
  			remove(commerceDiscountRel);
  		}
  	}