var (
		selectColumns, restricted = stmt.SelectAndOmitColumns(false, true)
		assignValue               func(field *schema.Field, value interface{})
	)

	switch stmt.ReflectValue.Kind() {
	case reflect.Slice, reflect.Array:
		assignValue = func(field *schema.Field, value interface{}) {
			for i := 0; i < stmt.ReflectValue.Len(); i++ {
				if stmt.ReflectValue.CanAddr() {

	}

	AssertEqual(t, result, user)

	users := []User{
		*GetUser("scan_null_value_for_slice_1", Config{}),
		*GetUser("scan_null_value_for_slice_2", Config{}),
		*GetUser("scan_null_value_for_slice_3", Config{}),
	}
	DB.Create(&users)

	if err := DB.Model(&users[0]).Update("age", nil).Error; err != nil {

		schema.guessRelation(relation, field, guessBelongs)
	} else {
		switch field.IndirectFieldType.Kind() {
		case reflect.Struct:
			schema.guessRelation(relation, field, guessGuess)
		case reflect.Slice:
			schema.guessRelation(relation, field, guessHas)
		default:
			schema.err = fmt.Errorf("unsupported data type %v for %v on field %s", relation.FieldSchema, schema,
				field.Name)
		}
	}

		if field.HasDefaultValue && !skipParseDefaultValue && field.DataType == Time {
			if t, err := now.Parse(field.DefaultValue); err == nil {
				field.DefaultValueInterface = t
			}
		}
	case reflect.Array, reflect.Slice:
		if reflect.Indirect(fieldValue).Type().Elem() == ByteReflectType && field.DataType == "" {
			field.DataType = Bytes
		}
	}

	if dataTyper, ok := fieldValue.Interface().(GormDataTypeInterface); ok {