Chris@1464: class AddTrackerPosition < ActiveRecord::Migration
Chris@1464:   def self.up
Chris@1464:     add_column :trackers, :position, :integer, :default => 1
Chris@1464:     Tracker.all.each_with_index {|tracker, i| tracker.update_attribute(:position, i+1)}
Chris@1464:   end
Chris@1464: 
Chris@1464:   def self.down
Chris@1464:     remove_column :trackers, :position
Chris@1464:   end
Chris@1464: end