POS-Server/db/migrate/20161031190447_new_columns_into_seller_commissions.rb

class NewColumnsIntoSellerCommissions < ActiveRecord::Migration
  def change
	rename_column(:sellerscommissions, :sales, :num_sales) 
	rename_column(:sellerscommissions, :products, :num_products) 
	remove_column :sellerscommissions, :last_sale_id  
		 	
  end
end