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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8043 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
6 lines
258 B
Ruby
6 lines
258 B
Ruby
class Citation < ActiveRecord::Base
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belongs_to :reference_of, :class_name => "Book", :foreign_key => :book2_id
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belongs_to :book1, :class_name => "Book", :foreign_key => :book1_id
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belongs_to :book2, :class_name => "Book", :foreign_key => :book2_id
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end
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