# File lib/innodb/page/index.rb, line 452
  def system_record(offset)
    cursor(offset).name("record[#{offset}]") do |c|
      header = c.peek { record_header(c) }
      Innodb::Record.new(self, {
        :offset => offset,
        :header => header,
        :next => header[:next],
        :data => c.name("data") { c.get_bytes(size_mum_record) },
        :length => c.position - offset,
      })
    end
  end