@Override
  public String toString() {
    return "InsertTabletNode{"
        + "targetPath="
        + targetPath
        + ", measurements="
        + Arrays.toString(measurements)
        + ", rowCount="
        + rowCount
        + ", timeRange=[,"
        + times[0]
        + ", "
        + times[times.length - 1]
        + "]"
        + '}';
  }
@param results insertion result of each row
@param ttl the ttl
@return the position of the first alive row
@throws OutOfTTLException if all rows have expired the TTL
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/planner/plan/node/write/InsertTabletNode.java