Chris@0: class AddSettingsUpdatedOn < ActiveRecord::Migration
Chris@0:   def self.up
Chris@0:     add_column :settings, :updated_on, :timestamp
Chris@0:     # set updated_on
Chris@1464:     Setting.all.each(&:save)
Chris@0:   end
Chris@0: 
Chris@0:   def self.down
Chris@0:     remove_column :settings, :updated_on
Chris@0:   end
Chris@0: end