user := GetUser("TestJoinWithSoftDeletedUser", Config{Account: true, NamedPet: true})
	DB.Create(&user)

	var user1 User
	DB.Model(&User{}).Joins("NamedPet").Joins("Account").First(&user1, user.ID)
	if user1.NamedPet == nil || user1.Account.ID == 0 {
		t.Fatalf("joins NamedPet and Account should not empty:%v", user1)
	}

	// Account should empty
	DB.Delete(&user1.Account)

	var user2 User

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

	user.Account = Account{Number: "account-has-one-association"}

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

	var user2 User
	DB.Preload("Account").Find(&user2, "id = ?", user.ID)
	CheckUser(t, user2, user)

	user.Account.Number += "new"
	if err := DB.Save(&user).Error; err != nil {

	user.Birthday = nil
	user.Account = Account{}
	user.Toys = nil
	user.Manager = nil

	CheckUser(t, result, user)

	user2 := *GetUser("omit_create", Config{Account: true, Pets: 3, Toys: 3, Company: true, Manager: true, Team: 3, Languages: 3, Friends: 4})
	DB.Omit(clause.Associations).Create(&user2)

	var result2 User
	DB.Preload(clause.Associations).First(&result2, user2.ID)

	user2.Account = Account{}
	user2.Toys = nil

	CheckPet(t, pets[0], *user.Pets[0])

	if count := DB.Model(&user).Where("name = ?", user.Pets[1].Name).Association("Pets").Count(); count != 1 {
		t.Fatalf("should only find one pets, but got %v", count)
	}

	if count := DB.Model(&user).Where("name = ?", "not found").Association("Pets").Count(); count != 0 {
		t.Fatalf("should only find no pet with invalid conditions, but got %v", count)
	}

	// Count
	AssertAssociationCount(t, user, "Pets", 2, "")

	})
}

func TestVariableRelation(t *testing.T) {
	var result struct {
		User
	}

	checkStructRelation(t, &result, Relation{
		Name: "Account", Type: schema.HasOne, Schema: "", FieldSchema: "Account",
		References: []Reference{
			{"ID", "", "UserID", "Account", "", true},
		},
	})

	checkStructRelation(t, &result, Relation{
		Name: "Company", Type: schema.BelongsTo, Schema: "", FieldSchema: "Company",

type User struct {
	gorm.Model
	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"`

	account := Account{Number: "account-has-one-append"}

	if err := DB.Model(&user2).Association("Account").Append(&account); err != nil {
		t.Fatalf("Error happened when append account, got %v", err)
	}

	if account.ID == 0 {
		t.Fatalf("Account's ID should be created")
	}

	user.Account = account
	CheckUser(t, user2, user)

	AssertAssociationCount(t, user, "Account", 1, "AfterAppend")

	// Replace

	}
	return
}

// Joins specify Joins conditions
//
//	db.Joins("Account").Find(&user)
//	db.Joins("JOIN emails ON emails.user_id = users.id AND emails.email = ?", "******@****.***").Find(&user)
//	db.Joins("Account", DB.Select("id").Where("user_id = users.id AND name = ?", "someName").Model(&Account{}))
func (db *DB) Joins(query string, args ...interface{}) (tx *DB) {

		t.Errorf("should update two records, but got %v", rowsAffected)
	}

	var results []User

	if err := DB.Where("name = ?", "first_or_create_pet1").First(&Pet{}).Error; err != nil {
		t.Errorf("has many association should be saved")
	}

	if err := DB.Where("number = ?", "1231231231").First(&Account{}).Error; err != nil {