hash_rows

# File activerecord/lib/active_record/result.rb, line 170
      def hash_rows
        # We use transform_values to rows.
        # This is faster because we avoid any reallocs and avoid hashing entirely.
        @hash_rows ||= @rows.map do |row|
          column_indexes.transform_values { |index| row[index] }
        end
      end