// String to return the String of a GroupBy
String to return the String of a GroupBy
// String to return the String of a GroupBy
func (r GroupBy) String() (string, error) {
	s, ok := _GroupByValueToName[r]
	if !ok {
		return "", fmt.Errorf("invalid GroupBy: %d", r)
	}
	return s, nil
}
func ( r GroupBy ) String ( ) ( string , error ) { s , ok := _GroupByValueToName [ r ] if ! ok { return " " , fmt . Errorf ( " " , r ) } return s , nil }
String to return the String of a GroupBy
String to return the String of a GroupBy