@Override
  public TField readFieldBegin() throws TException {
    // slight hack to communicate to SerDes that the field ids are not
    // being set but things are ordered.
    f = new TField("", ORDERED_TYPE, (short) -1);
    return f;
  }
The escaped byte sequence for the "\1" byte. This cannot be changed alone
without changing the readString() code.
serde/src/java/org/apache/hadoop/hive/serde2/thrift/TBinarySortableProtocol.java