POS-Server/db/migrate/20160614232901_add_special_price_column_in_sales.rb

class AddSpecialPriceColumnInSales < ActiveRecord::Migration
  def change
	add_column :pre_sales, :special_price_id, :integer, index: true, null: true 	
  	add_column :sales_details, :special_price_id, :integer, index: true, null: true 	
  end
end