get_chain

# File activerecord/lib/active_record/associations/association_scope.rb, line 108
      def get_chain(reflection, association, tracker)
        name = reflection.name
        runtime_reflection = Reflection::RuntimeReflection.new(reflection, association)
        previous_reflection = runtime_reflection
        reflection.chain.drop(1).each do |refl|
          alias_name = tracker.aliased_table_for(refl.table_name, refl.alias_candidate(name))
          proxy = ReflectionProxy.new(refl, alias_name)
          previous_reflection.next = proxy
          previous_reflection = proxy
        end
        [runtime_reflection, previous_reflection]
      end