code: @Override
  	public void removeByCommerceDiscountId(long commerceDiscountId) {
  		for (CommerceDiscountUserSegmentRel commerceDiscountUserSegmentRel : findByCommerceDiscountId(
  				commerceDiscountId, QueryUtil.ALL_POS, QueryUtil.ALL_POS, null)) {
  			remove(commerceDiscountUserSegmentRel);
  		}
  	}
docs: Removes all the commerce discount user segment rels where commerceDiscountId = &#63; from the database.
  
  @param commerceDiscountId the commerce discount ID