Schema:      "User",
						FieldSchema: "Toy",
						Polymorphic: Polymorphic{ID: "OwnerID", Type: "OwnerType", Value: "users"},
						References: []Reference{
							{ForeignKey: "OwnerType", ForeignSchema: "Toy", PrimaryValue: "users"},
						},
					},
				},
			},
		})
	})

	t.Run("has one with custom polymorphic type and id", func(t *testing.T) {
		type Toy struct {
			ID    int

			}

			if r.Polymorphic != nil {
				if r.Polymorphic.PolymorphicID.Name != relation.Polymorphic.ID {
					t.Errorf("schema %v relation's polymorphic id field expects %v, but got %v", s, relation.Polymorphic.ID, r.Polymorphic.PolymorphicID.Name)
				}

				if r.Polymorphic.PolymorphicType.Name != relation.Polymorphic.Type {

	if hamsterToy.Name != hamster.PreferredToy.Name {
		t.Errorf("Should find has one polymorphic association")
	}

	hamsterToy = Toy{}
	DB.Model(&hamster).Association("OtherToy").Find(&hamsterToy)
	if hamsterToy.Name != hamster.OtherToy.Name {
		t.Errorf("Should find has one polymorphic association")
	}

	// Append
	DB.Model(&hamster).Association("PreferredToy").Append(&Toy{
		Name: "bike 2",
	})

	} else {
		user.Account.UpdatedAt = user4.Account.UpdatedAt
		CheckUser(t, user4, user)
	}

	t.Run("Polymorphic", func(t *testing.T) {
		pet := Pet{Name: "create"}

		if err := DB.Create(&pet).Error; err != nil {
			t.Fatalf("errors happened when create: %v", err)
		}

		pet.Toy = Toy{Name: "Update-HasOneAssociation-Polymorphic"}

		if err := DB.Save(&pet).Error; err != nil {
			t.Fatalf("errors happened when create: %v", err)
		}

)

// User has one `Account` (has one), many `Pets` (has many) and `Toys` (has many - polymorphic)
// He works in a Company (belongs to), he has a Manager (belongs to - single-table), and also managed a Team (has many - single-table)
// He speaks many languages (many to many) and has many friends (many to many - single-table)
// His pet also has one Toy (has one - polymorphic)
// NamedPet is a reference to a named `Pet` (has one)
type User struct {

 *
 * @author David Richter
 */
@NullUnmarked
public class IteratorBenchmark {
  @Param({"0", "1", "16", "256", "4096", "65536"})
  int size;

  // use concrete classes to remove any possible polymorphic overhead?
  Object[] array;
  ArrayList<Object> arrayList;
  LinkedList<Object> linkedList;

  @BeforeExperiment
  void setUp() {
    array = new Object[size];

			References: []Reference{{"ID", "User", "UserID", "Pet", "", true}},
		},
		{
			Name: "Toys", Type: schema.HasMany, Schema: "User", FieldSchema: "Toy",
			Polymorphic: Polymorphic{ID: "OwnerID", Type: "OwnerType", Value: "users"},
			References:  []Reference{{"ID", "User", "OwnerID", "Toy", "", true}, {"", "", "OwnerType", "Toy", "users", false}},
		},
		{

		t.Fatalf("errors happened when update: %v", err)
	}

	var user4 User
	DB.Preload("Pets").Find(&user4, "id = ?", user.ID)
	CheckUser(t, user4, user)

	t.Run("Polymorphic", func(t *testing.T) {
		user := *GetUser("update-has-many", Config{})

		if err := DB.Create(&user).Error; err != nil {
			t.Fatalf("errors happened when create: %v", err)
		}

	// Find
	var toys []Toy
	if DB.Model(&users).Association("Toys").Find(&toys); len(toys) != 6 {
		t.Errorf("toys count should be %v, but got %v", 6, len(toys))
	}

	// Find Tools (polymorphic with custom type and id)
	var tools []Tools
	DB.Model(&users).Association("Tools").Find(&tools)

	if len(tools) != 2 {
		t.Errorf("tools count should be %v, but got %v", 2, len(tools))
	}

	// Append

### **Autoscaling**

*   HorizontalPodAutoscaler objects now properly functions on scalable resources in any API group. Fixed by adding a polymorphic scale client. ([#53743](https://github.com/kubernetes/kubernetes/pull/53743),[ @DirectXMan12](https://github.com/DirectXMan12))