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rails - polymorphic associations

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Rails rails activerecord associations polymorphic

posted on 2009-09-16 09:33:44+08:00 by 7895734

URL: http://guides.rubyonrails.org/association_basics.html

class Picture < ActiveRecord::Base
  belongs_to :imageable, :polymorphic => true
end
 
class Employee < ActiveRecord::Base
  has_many :pictures, :as => :imageable
end
 
class Product < ActiveRecord::Base
  has_many :pictures, :as => :imageable
end