&Pet{Name: "pet-slice-append-1"},
		[]*Pet{{Name: "pet-slice-append-2-1"}, {Name: "pet-slice-append-2-2"}},
		&Pet{Name: "pet-slice-append-3"},
	)

	AssertAssociationCount(t, users, "Pets", 10, "After Append")

	// Replace -> same as append
	DB.Model(&users).Association("Pets").Replace(
		[]*Pet{{Name: "pet-slice-replace-1-1"}, {Name: "pet-slice-replace-1-2"}},

		CheckPet(t, pet2, pet)
	})

	t.Run("Slice", func(t *testing.T) {
		pets := []Pet{{
			Name: "PolymorphicHasOne-Slice-1",
			Toy:  Toy{Name: "Toy-PolymorphicHasOne-Slice-1"},
		}, {
			Name: "PolymorphicHasOne-Slice-2",
			Toy:  Toy{Name: "Toy-PolymorphicHasOne-Slice-2"},
		}, {
			Name: "PolymorphicHasOne-Slice-3",
			Toy:  Toy{Name: "Toy-PolymorphicHasOne-Slice-3"},
		}}

		}

		switch reflectValue.Kind() {
		case reflect.Slice, reflect.Array:
			var (
				elem        reflect.Value
				isArrayKind = reflectValue.Kind() == reflect.Array
			)

			if !update || reflectValue.Len() == 0 {
				update = false
				if isArrayKind {
					db.Statement.ReflectValue.Set(reflect.Zero(reflectValue.Type()))
				} else {

			queryFields := db.QueryFields
			if !queryFields {
				switch db.Statement.ReflectValue.Kind() {
				case reflect.Struct:
					queryFields = db.Statement.ReflectValue.Type() != db.Statement.Schema.ModelType
				case reflect.Slice:
					queryFields = db.Statement.ReflectValue.Type().Elem() != db.Statement.Schema.ModelType
				}
			}

			if queryFields {
				stmt := gorm.Statement{DB: db}
				// smaller struct

				}
				insertID += schema.DefaultAutoIncrementIncrement
			}
		default:
			if pkField == nil {
				return
			}

			switch db.Statement.ReflectValue.Kind() {
			case reflect.Slice, reflect.Array:
				if config.LastInsertIDReversed {
					for i := db.Statement.ReflectValue.Len() - 1; i >= 0; i-- {
						rv := db.Statement.ReflectValue.Index(i)
						if reflect.Indirect(rv).Kind() != reflect.Struct {

func (db *DB) CreateInBatches(value interface{}, batchSize int) (tx *DB) {
	reflectValue := reflect.Indirect(reflect.ValueOf(value))

	switch reflectValue.Kind() {
	case reflect.Slice, reflect.Array:
		var rowsAffected int64
		tx = db.getInstance()

		// the reflection length judgment of the optimized value
		reflectLen := reflectValue.Len()

		callFc := func(tx *DB) error {

	sort.Slice(result.Pets, func(i, j int) bool {
		return result.Pets[i].ID < result.Pets[j].ID
	})
	sort.Slice(result.Team, func(i, j int) bool {
		return result.Team[i].ID < result.Team[j].ID
	})
	sort.Slice(result.Friends, func(i, j int) bool {
		return result.Friends[i].ID < result.Friends[j].ID
	})
	sort.Slice(result2.Pets, func(i, j int) bool {

	DB.Preload("Pets.Toy").Find(&user4, "id = ?", user.ID)
	CheckUser(t, *user4, user)
}

func TestNestedPreloadForSlice(t *testing.T) {
	users := []User{
		*GetUser("slice_nested_preload_1", Config{Pets: 2}),
		*GetUser("slice_nested_preload_2", Config{Pets: 0}),
		*GetUser("slice_nested_preload_3", Config{Pets: 3}),
	}

	for _, user := range users {
		for idx, pet := range user.Pets {

				subdb.callbacks.Query().Execute(subdb)
			}

			writer.WriteString(subdb.Statement.SQL.String())
			stmt.Vars = subdb.Statement.Vars
		default:
			switch rv := reflect.ValueOf(v); rv.Kind() {
			case reflect.Slice, reflect.Array:
				if rv.Len() == 0 {
					writer.WriteString("(NULL)")
				} else if rv.Type().Elem() == reflect.TypeOf(uint8(0)) {
					stmt.Vars = append(stmt.Vars, v)
					stmt.DB.Dialector.BindVarTo(writer, stmt, v)

				return err
			}
		} else if rel := relationships.Relations[name]; rel != nil {
			if joined, nestedJoins := isJoined(name); joined {
				switch rv := db.Statement.ReflectValue; rv.Kind() {
				case reflect.Slice, reflect.Array:
					if rv.Len() > 0 {
						reflectValue := rel.FieldSchema.MakeSlice().Elem()
						reflectValue.SetLen(rv.Len())
						for i := 0; i < rv.Len(); i++ {