# File lib/active_record/associations/through_association_scope.rb, line 31
      def construct_quoted_owner_attributes(reflection)
        if as = reflection.options[:as]
          { "#{as}_id" => owner_quoted_id,
            "#{as}_type" => reflection.klass.quote_value(
              @owner.class.base_class.name.to_s,
              reflection.klass.columns_hash["#{as}_type"]) }
        elsif reflection.macro == :belongs_to
          { reflection.klass.primary_key => @owner.class.quote_value(@owner[reflection.primary_key_name]) }
        else
          { reflection.primary_key_name => owner_quoted_id }
        end
      end