@Override
  public void readFieldEnd() throws TException {
    if (stackLevel == 1) {
      topLevelStructFieldID++;
      ascending = (topLevelStructFieldID >= sortOrder.length() || sortOrder
          .charAt(topLevelStructFieldID) != '-');
    }
  }
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