class CreateOrderClearing < ActiveRecord::Migration def self.up add_column :orders, :invoice_amount, :decimal, :precision => 8, :scale => 2, :null => false, :default => 0 add_column :orders, :refund, :decimal, :precision => 8, :scale => 2, :null => false, :default => 0 add_column :orders, :refund_credit, :decimal, :precision => 8, :scale => 2, :null => false, :default => 0 add_column :orders, :invoice_number, :string add_column :orders, :invoice_date, :string end def self.down remove_column :orders, :invoice_amount remove_column :orders, :refund remove_column :orders, :refund_credit remove_column :orders, :invoice_number remove_column :orders, :invoice_date end end