@Override
  public void init(ByteArrayRef bytes, int start, int length) {
    if (!LazyUtils.isDateMaybe(bytes.getData(), start, length)) {
      isNull = true;
      return;
    }
    String s =
        new String(bytes.getData(), start, length, StandardCharsets.US_ASCII);

    Timestamp t = oi.getTimestampParser().parseTimestamp(s);
    if (t == null) {
      isNull = true;
      logExceptionMessage(bytes, start, length, "TIMESTAMP");
    } else {
      isNull = false;
    }
    data.set(t);
  }
Initializes LazyTimestamp object by interpreting the input bytes
as a JDBC timestamp string

@param bytes
@param start
@param length
serde/src/java/org/apache/hadoop/hive/serde2/lazy/LazyTimestamp.java