oldhaven/db/migrate/20110926031740_prepare_to_mixed_import.rb

class PrepareToMixedImport < ActiveRecord::Migration
  def up
    add_column :track_artists, :name, :string
    add_column :albums, :master_id, :integer
  end

  def down
    remove_column :track_artists, :name
    remove_column :albums, :master_id
  end
end