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rails--rails/activerecord/test/models/book.rb
2012-07-20 14:14:51 +01:00

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272 B
Ruby

class Book < ActiveRecord::Base
has_many :authors
has_many :citations, :foreign_key => 'book1_id'
has_many :references, -> { uniq }, :through => :citations, :source => :reference_of
has_many :subscriptions
has_many :subscribers, :through => :subscriptions
end