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 relation.Type == has {
		// don't add relations to embedded schema, which might be shared

	}
	AssertAssociationCount(t, user2, "Account", 1, "after delete non-existing data")

	if err := DB.Model(&user2).Association("Account").Delete(&account2); err != nil {
		t.Fatalf("Error happened when delete Account, got %v", err)
	}
	AssertAssociationCount(t, user2, "Account", 0, "after delete")

	// Prepare Data for Clear
	account = Account{Number: "account-has-one-append"}

			cleanUpDeletedRelations := func(data reflect.Value) {
				if _, zero := rel.Field.ValueOf(association.DB.Statement.Context, data); !zero {
					fieldValue := reflect.Indirect(rel.Field.ReflectValueOf(association.DB.Statement.Context, data))
					primaryValues := make([]interface{}, len(rel.FieldSchema.PrimaryFields))

					switch fieldValue.Kind() {

	}
	AssertAssociationCount(t, user2, "Pets", 1, "after delete non-existing data")

	if err := DB.Model(&user2).Association("Pets").Delete(&pet2); err != nil {
		t.Fatalf("Error happened when delete Pets, got %v", err)
	}
	AssertAssociationCount(t, user2, "Pets", 0, "after delete")

	// Prepare Data for Clear
	if err := DB.Model(&user2).Association("Pets").Append(&pet); err != nil {

		t.Fatalf("Failed to find created data, got error: %v", err)
	} else if result.Name != "foo" || result.Name2 != "foo" || result.Name3 != "" || result.Age != 18 || !result.Enabled || result.Created.Format("20060102") != "20000102" {
		t.Fatalf("Failed to find created data with default data, got %+v", result)
	}

	type Harumph2 struct {
		ID      int       `gorm:"default:0"`

						if _, ok := first[dbName].(string); !ok {
							t.Errorf("invalid data type for %v, got %#v", dbName, first[dbName])
						}
					case "Age":
						if _, ok := first[dbName].(uint); !ok {
							t.Errorf("invalid data type for %v, got %#v", dbName, first[dbName])
						}
					case "Birthday":
						if _, ok := first[dbName].(*time.Time); !ok {
							t.Errorf("invalid data type for %v, got %#v", dbName, first[dbName])
						}
					}

	sql, _ := fc()
	fmt.Println(sql + ";")
	l.Interface.Trace(ctx, begin, fc, err)
}

// GormDataTypeInterface gorm data type interface
type GormDataTypeInterface interface {
	GormDBDataType(*gorm.DB, *schema.Field) string
}

// RunWithValue run migration with statement value

			defaultValueFieldsHavingValue := map[*schema.Field][]interface{}{}
			for i := 0; i < rValLen; i++ {
				rv := reflect.Indirect(stmt.ReflectValue.Index(i))
				if !rv.IsValid() {
					stmt.AddError(fmt.Errorf("slice data #%v is invalid: %w", i, gorm.ErrInvalidData))
					return
				}

				values.Values[i] = make([]interface{}, len(values.Columns))
				for idx, column := range values.Columns {

			switch data := v.(type) {
			case **int64:
				if data != nil && *data != nil {
					field.ReflectValueOf(ctx, value).SetInt(**data)
				}
			case **int:
				if data != nil && *data != nil {
					field.ReflectValueOf(ctx, value).SetInt(int64(**data))
				}
			case **int8:
				if data != nil && *data != nil {
					field.ReflectValueOf(ctx, value).SetInt(int64(**data))

	}
}

func TestCreateEmptySlice(t *testing.T) {
	data := []User{}
	if err := DB.Create(&data).Error; err != gorm.ErrEmptySlice {
		t.Errorf("no data should be created, got %v", err)
	}

	sliceMap := []map[string]interface{}{}
	if err := DB.Model(&User{}).Create(&sliceMap).Error; err != gorm.ErrEmptySlice {
		t.Errorf("no data should be created, got %v", err)
	}
}