Method isNullByColumnName

client/rpcdataset.go:289–295

(columnName string)

}

func (s *IoTDBRpcDataSet) isNullByColumnName(columnName string) (bool, error) {
	if index, err := s.getTsBlockColumnIndexForColumnName(columnName); err != nil {
		return false, err
	} else {
		return s.isNull(index, s.tsBlockIndex), nil
	}
}

func (s *IoTDBRpcDataSet) isNull(index int32, rowNum int32) bool {
	// -1 for time column which will never be null