code: def addRNAQuantification(self, datafields):
          
          self._rnaValueList.append(datafields)
          if len(self._rnaValueList) >= self._batchSize:
              self.batchaddRNAQuantification()
docs: Adds an RNAQuantification to the db.  Datafields is a tuple in the
          order:
          id, feature_set_ids, description, name,
          read_group_ids, programs, biosample_id