Chris@1295: class AddRolePosition < ActiveRecord::Migration
Chris@1295:   def self.up
Chris@1295:     add_column :roles, :position, :integer, :default => 1
Chris@1295:     Role.all.each_with_index {|role, i| role.update_attribute(:position, i+1)}
Chris@1295:   end
Chris@1295: 
Chris@1295:   def self.down
Chris@1295:     remove_column :roles, :position
Chris@1295:   end
Chris@1295: end