class AddStatesToStatus < ActiveRecord::Migration
  def self.up
    add_column :status, :state_id, :integer, :limit => 1
    Status.set_table_name('status')
    Status.update_all('state_id = 1', ['state_id IS NULL AND default_value = ?', true])
    Status.update_all('state_id = 3', ['state_id IS NULL AND default_value = ?', false])
  end

  def self.down
    remove_column :status, :state_id
  end
end