@Override
  protected void serializeAttributes(DataOutputStream stream) throws IOException {
    getType().serialize(stream);

    ReadWriteIOUtils.write(insertRowNodeList.size(), stream);

    for (InsertRowNode node : insertRowNodeList) {
      node.subSerialize(stream);
    }
    for (Integer index : insertRowNodeIndexList) {
      ReadWriteIOUtils.write(index, stream);
    }
  }
Record the result of insert rows
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/planner/plan/node/write/InsertRowsNode.java