Chris@0: class AddMissingIndexesToCustomFieldsTrackers < ActiveRecord::Migration
Chris@0:   def self.up
Chris@0:     add_index :custom_fields_trackers, [:custom_field_id, :tracker_id]
Chris@0:   end
Chris@0: 
Chris@0:   def self.down
Chris@0:     remove_index :custom_fields_trackers, :column => [:custom_field_id, :tracker_id]
Chris@0:   end
Chris@0: end