@Override
  public Writable serialize(Object obj, ObjectInspector objInspector) throws SerDeException {
    throw new SerDeException("Serialize is not implemented");
  }
Returns statistics collected when serializing.

@return A SerDeStats object or {@code null} if stats are not supported by
        this SerDe. Returns statistics collected when serializing
serde/src/java/org/apache/hadoop/hive/serde2/AbstractSerDe.java