foodsoft/db/migrate/012_create_order_clearing.rb

class CreateOrderClearing < ActiveRecord::Migration[4.2]
  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