boolean equalTo(QueueHolder<T> that) {
      return this.nextOffset.compareTo(that.nextOffset) == 0;
    }
This is a change log data iterator that replays the change log data appended to mixed-format
change table with ordered.
amoro-format-mixed/amoro-mixed-flink/amoro-mixed-flink-common/src/main/java/org/apache/amoro/flink/read/source/ChangeLogDataIterator.java