Chris@909: class AddSettingsUpdatedOn < ActiveRecord::Migration
Chris@909:   def self.up
Chris@909:     add_column :settings, :updated_on, :timestamp
Chris@909:     # set updated_on
Chris@909:     Setting.find(:all).each(&:save)
Chris@909:   end
Chris@909: 
Chris@909:   def self.down
Chris@909:     remove_column :settings, :updated_on
Chris@909:   end
Chris@909: end