Chris@909: class AddRolesAssignable < ActiveRecord::Migration
Chris@909:   def self.up
Chris@909:     add_column :roles, :assignable, :boolean, :default => true
Chris@909:   end
Chris@909: 
Chris@909:   def self.down
Chris@909:     remove_column :roles, :assignable
Chris@909:   end
Chris@909: end