# File lib/innodb/undo_record.rb, line 43
  def cursor(position)
    new_cursor = @undo_page.cursor(position)
    if @undo_log
      new_cursor.push_name("undo_log[#{@undo_log.position}]")
    end
    new_cursor.push_name("undo_record[#{@position}]")
    new_cursor
  end