// use same data type for foreign keys
		if copyableDataType(primaryKeyField.DataType) {
			relation.Polymorphic.PolymorphicID.DataType = primaryKeyField.DataType
		}
		relation.Polymorphic.PolymorphicID.GORMDataType = primaryKeyField.GORMDataType
		if relation.Polymorphic.PolymorphicID.Size == 0 {
			relation.Polymorphic.PolymorphicID.Size = primaryKeyField.Size
		}

		relation.References = append(relation.References, &Reference{

			}

			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 {

	Name      string
	Age       uint
	Birthday  *time.Time
	Account   Account
	Pets      []*Pet
	NamedPet  *Pet
	Toys      []Toy   `gorm:"polymorphic:Owner"`
	Tools     []Tools `gorm:"polymorphicType:Type;polymorphicId:CustomID"`
	CompanyID *int
	Company   Company
	ManagerID *uint
	Manager   *User
	Team      []User     `gorm:"foreignkey:ManagerID"`
	Languages []Language `gorm:"many2many:UserSpeak;"`

		type Toy struct {
			ID    int
			Name  string
			RefId int
			Type  string
		}

		type Cat struct {
			ID   int
			Name string
			Toy  Toy `gorm:"polymorphic:Owner;polymorphicType:Type;polymorphicId:RefId"`
		}

		s, err := schema.Parse(&Cat{}, &sync.Map{}, schema.NamingStrategy{})
		if err != nil {
			t.Fatalf("Failed to parse schema, got error %v", err)
		}