vendor/rails/activerecord/test/models/parrot.rb

   1 class Parrot < ActiveRecord::Base
   2   set_inheritance_column :parrot_sti_class
   3   has_and_belongs_to_many :pirates
   4   has_and_belongs_to_many :treasures
   5   has_many :loots, :as => :looter
   6   alias_attribute :title, :name
   7
   8   validates_presence_of :name
   9 end
  10
  11 class LiveParrot < Parrot
  12 end
  13
  14 class DeadParrot < Parrot
  15   belongs_to :killer, :class_name => 'Pirate'
  16 end