code: @Override
    public long getLargeUpdateCount() {
      if (results != null && results.getCmdInformation() != null && !results.isBatch()) {
        return results.getCmdInformation().getLargeUpdateCount();
      }
      return -1;
    }
docs: Retrieves the current result as an update count; if the result is a ResultSet object or there
  are no more results, -1 is returned.
  
  @return last update count