# File lib/rubyrep/replication_difference.rb, line 71
    def load
      change_times = {}
      [:left, :right].each do |database|
        changes[database] = LoggedChange.new loaders[database]
        change_times[database] = loaders[database].oldest_change_time
      end
      return if change_times[:left] == nil and change_times[:right] == nil

      oldest = nil
      [:left, :right].each do |database|
        oldest = OTHER_SIDE[database] if change_times[database] == nil
      end
      oldest ||= change_times[:left] <= change_times[:right] ? :left : :right
      changes[oldest].load_oldest

      changes[OTHER_SIDE[oldest]].load_specified(
        session.corresponding_table(oldest, changes[oldest].table),
        changes[oldest].key)

      self.type = DIFF_TYPES[changes[:left].type][changes[:right].type]
      self.loaded = true
    end