CheckUser(t, user2, user)

		for idx := range user.Toys {
			user.Toys[idx].Name += "new"
		}

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

		var user3 User
		DB.Preload("Toys").Find(&user3, "id = ?", user.ID)
		CheckUser(t, user2, user3)

func TestCount(t *testing.T) {
	var (
		user1                 = *GetUser("count-1", Config{})
		user2                 = *GetUser("count-2", Config{})
		user3                 = *GetUser("count-3", Config{})
		users                 []User
		count, count1, count2 int64
	)

	DB.Save(&user1).Save(&user2).Save(&user3)

	if err := DB.Where("name = ?", user1.Name).Or("name = ?", user3.Name).Find(&users).Count(&count).Error; err != nil {

	}

	DB.Table("users").Select("id, name, age").Where("id = ?", user2.ID).Scan(&res)
	if res.ID != user2.ID || res.Name != user2.Name || res.Age != int(user2.Age) {
		t.Fatalf("Scan into struct should work, got %#v, should %#v", res, user2)
	}

	DB.Model(&User{Model: gorm.Model{ID: user3.ID}}).Select("id, name, age").Scan(&res)
	if res.ID != user3.ID || res.Name != user3.Name || res.Age != int(user3.Age) {

	if user6.Name != "find or init" || user6.ID == 0 || user6.Age != 44 {
		t.Errorf("user should be found and updated with assigned attrs")
	}
}

func TestFindOrCreate(t *testing.T) {
	var user1, user2, user3, user4, user5, user6, user7, user8 User
	if err := DB.Where(&User{Name: "find or create", Age: 33}).FirstOrCreate(&user1).Error; err != nil {
		t.Errorf("no error should happen when FirstOrInit, but got %v", err)
	}

	}

	var user4 *User
	DB.Preload("Pets.Toy").Find(&user4, "id = ?", user.ID)
	if len(user4.Pets) != 0 {
		t.Fatalf("User.Pet[0] was deleted and should not exist.")
	}

	var user5 User
	DB.Unscoped().Preload(clause.Associations+"."+clause.Associations).Find(&user5, "id = ?", user.ID)
	CheckUserUnscoped(t, user5, user)

	var user6 *User
	DB.Unscoped().Preload("Pets.Toy").Find(&user6, "id = ?", user.ID)

	var user3 User
	DB.Model(&User{}).Joins("NamedPet").Joins("Account").First(&user3, user.ID)
	if user3.NamedPet != nil || user2.Account.ID != 0 {
		t.Fatalf("joins NamedPet and Account should not empty:%v", user2)
	}
}

func TestInnerJoins(t *testing.T) {
	user := *GetUser("inner-joins-1", Config{Company: true, Manager: true, Account: true, NamedPet: false})

	DB.Create(&user)

	var user2 User

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

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

	var user3 User
	DB.Preload("Company").Preload("Manager").Find(&user3, "id = ?", user.ID)
	CheckUser(t, user2, user3)

	if users[1].Name != "update_column_02_newname" || users[1].Age != 100 {
		t.Errorf("user 2 should be updated with update column")
	}
	AssertEqual(t, lastUpdatedAt.UnixNano(), users[1].UpdatedAt.UnixNano())

	// user2 should not be updated
	var user1, user2 User
	DB.First(&user1, users[0].ID)
	DB.First(&user2, users[1].ID)
	CheckUser(t, user1, *users[0])
	CheckUser(t, user2, *users[1])

	}

	var user3 User
	DB.Preload("Languages").Preload("Friends").Find(&user3, "id = ?", user.ID)
	CheckUser(t, user2, user3)

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

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

	if age != 20 {
		t.Errorf("Scan with Row, age expects: %v, got %v", user2.Age, age)
	}
}

func TestRows(t *testing.T) {
	user1 := User{Name: "RowsUser1", Age: 1}
	user2 := User{Name: "RowsUser2", Age: 10}
	user3 := User{Name: "RowsUser3", Age: 20}
	DB.Save(&user1).Save(&user2).Save(&user3)

	rows, err := DB.Table("users").Where("name = ? or name = ?", user2.Name, user3.Name).Select("name, age").Rows()
	if err != nil {