Chris@0: class AddMissingIndexesToUserPreferences < ActiveRecord::Migration
Chris@0:   def self.up
Chris@0:     add_index :user_preferences, :user_id
Chris@0:   end
Chris@0: 
Chris@0:   def self.down
Chris@0:     remove_index :user_preferences, :user_id
Chris@0:   end
Chris@0: end