cusUser := CustomizeUser{
			Name: "update-has-one-associations",
			Account: CustomizeAccount{
				Number:  number,
				Number2: number,
			},
		}

		if err := DB.Create(&cusUser).Error; err != nil {
			t.Fatalf("errors happened when create: %v", err)
		}
		cusUser.Account.Number += "-update"
		cusUser.Account.Number2 += "-update"

		{
			[]clause.Interface{
				clause.Update{},
				clause.Set([]clause.Assignment{{clause.PrimaryColumn, 1}}),
			},
			"UPDATE `users` SET `users`.`id`=?",
			[]interface{}{1},
		},
		{
			[]clause.Interface{
				clause.Update{},
				clause.Set([]clause.Assignment{{clause.PrimaryColumn, 1}}),
				clause.Set([]clause.Assignment{{clause.Column{Name: "name"}, "jinzhu"}}),
			},
			"UPDATE `users` SET `name`=?",

		t.Errorf("failed to update with named arg")
	}

	AssertEqual(t, result4, namedUser)

	if err := DB.Exec("UPDATE named_users SET name1 = @name, name2 = @name2, name3 = @name", sql.Named("name", "jinzhu-new"), sql.Named("name2", "jinzhu-new2")).Error; err != nil {
		t.Errorf("failed to update with named arg")
	}

	namedUser.Name1 = "jinzhu-new"
	namedUser.Name2 = "jinzhu-new2"

		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 {

}

func (cs *callbacks) Create() *processor {
	return cs.processors["create"]
}

func (cs *callbacks) Query() *processor {
	return cs.processors["query"]
}

func (cs *callbacks) Update() *processor {
	return cs.processors["update"]
}

func (cs *callbacks) Delete() *processor {
	return cs.processors["delete"]
}

func (cs *callbacks) Row() *processor {
	return cs.processors["row"]
}

		expect: []string{
			"SELECT VERSION()",
			"INSERT INTO `users` (`created_at`,`updated_at`,`deleted_at`,`name`,`age`,`birthday`,`company_id`,`manager_id`,`active`) VALUES (?,?,?,?,?,?,?,?,?)",
			"SELECT * FROM `users` WHERE name = ? AND `users`.`deleted_at` IS NULL ORDER BY `users`.`id` LIMIT ?",
			"INSERT INTO `users` (`created_at`,`updated_at`,`deleted_at`,`name`,`age`,`birthday`,`company_id`,`manager_id`,`active`) VALUES (?,?,?,?,?,?,?,?,?)",

		DB.Raw("select * from users").Scan(&u)
	}
}

func BenchmarkUpdate(b *testing.B) {
	user := *GetUser("find", Config{})
	DB.Create(&user)

	for x := 0; x < b.N; x++ {
		DB.Model(&user).Updates(map[string]interface{}{"Age": x})
	}
}

func BenchmarkDelete(b *testing.B) {
	user := *GetUser("find", Config{})

	for x := 0; x < b.N; x++ {
		user.ID = 0
		DB.Create(&user)
		DB.Delete(&user)
	}

	}

	if sql.NullTime(user.DeletedAt).Time.IsZero() {
		t.Fatalf("user's deleted at is zero")
	}

	sql := DB.Session(&gorm.Session{DryRun: true}).Delete(&user).Statement.SQL.String()
	if !regexp.MustCompile(`UPDATE .users. SET .deleted_at.=.* WHERE .users.\..id. = .* AND .users.\..deleted_at. IS NULL`).MatchString(sql) {
		t.Fatalf("invalid sql generated, got %v", sql)
	}

		t.Fatalf("failed to create items, got error: %v", err)
	}

	// test Replace
	if err := tx.Model(&item).Association("Contents").Unscoped().Replace([]ItemContent{
		{Name: "updated name", LanguageCode: "en"},
		{Name: "ar updated name", LanguageCode: "ar"},
		{Name: "le nom", LanguageCode: "fr"},
	}); err != nil {
		t.Errorf("failed to replace item content, got error: %v", err)
	}

	}

	if user.CreatedAt.IsZero() {
		t.Errorf("user's created at should be not zero")
	}

	if user.UpdatedAt.IsZero() {
		t.Errorf("user's updated at should be not zero")
	}

	var newUser User
	if err := DB.Where("id = ?", user.ID).First(&newUser).Error; err != nil {
		t.Fatalf("errors happened when query: %v", err)
	} else {
		CheckUser(t, newUser, user)
	}