spree_paypal_express/db/migrate/20100128115525_add_transaction_id_to_ppx_txn.rb

class AddTransactionIdToPpxTxn < ActiveRecord::Migration
  def self.up
    add_column :paypal_txns, :transaction_id, :string
  end

  def self.down
    remove_column :paypal_txns, :transaction_id
  end
end