Chris@909: class AddMissingIndexesToCustomFieldsTrackers < ActiveRecord::Migration
Chris@909:   def self.up
Chris@909:     add_index :custom_fields_trackers, [:custom_field_id, :tracker_id]
Chris@909:   end
Chris@909: 
Chris@909:   def self.down
Chris@909:     remove_index :custom_fields_trackers, :column => [:custom_field_id, :tracker_id]
Chris@909:   end
Chris@909: end