Flowdock
method

graft

Importance_0
Ruby on Rails latest stable (v3.2.13) - 0 notes - Class: JoinDependency
graft(*associations) public

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# File activerecord/lib/active_record/associations/join_dependency.rb, line 21
      def graft(*associations)
        associations.each do |association|
          join_associations.detect {|a| association == a} ||
            build(association.reflection.name, association.find_parent_in(self) || join_base, association.join_type)
        end
        self
      end
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