get the last known querystate . concode_field_sep CountDownLatch latch concode_elem_sep Exception exception concode_elem_sep QueryState queryState concode_elem_sep AtomicInteger nRows concode_elem_sep List<DrillPBError> errorList concode_field_sep void queryIdArrived concode_elem_sep void dataArrived concode_elem_sep void rowArrived concode_elem_sep void cleanup concode_elem_sep void submissionFailed concode_elem_sep void waitForCompletion concode_elem_sep void queryCompleted concode_elem_sep List<DrillPBError> getErrorList
QueryState function ( ) { return queryState ; }