# File lib/innodb/record_describer.rb, line 123
  def generate_class(name="Describer_#{object_id}")
    str = "class #{name}\n"
    str << "  type %s\n" % [
      description[:type].inspect
    ]
    [:key, :row].each do |group|
      description[group].each do |item|
        str << "  %s %s, %s\n" % [
          group,
          item[:name].inspect,
          item[:type].map { |s| s.inspect }.join(", "),
        ]
      end
    end
    str << "end\n"
    str
  end