Values:  [][]interface{}{{99.5}},
			},
		},
		{
			name: "Test convert bool value",
			input: map[string]interface{}{
				"active": true,
			},
			expect: clause.Values{
				Columns: []clause.Column{{Name: "active"}},
				Values:  [][]interface{}{{true}},
			},
		},
	}

	for _, tc := range testCase {
		t.Run(tc.name, func(t *testing.T) {

			"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 (?,?,?,?,?,?,?,?,?)",

	}

	var active bool
	if err := DB.Model(&User{}).Select("name, active, sum(age)").Where("name = ? and active = ?", "groupby", true).Group("name").Group("active").Row().Scan(&name, &active, &total); err != nil {
		t.Errorf("no error should happen, but got %v", err)
	}

	if name != "groupby" || active != true || total != 40 {
		t.Errorf("group by two columns, name %v, age %v, active: %v", name, total, active)
	}

	Company   Company
	ManagerID *uint
	Manager   *User
	Team      []User     `gorm:"foreignkey:ManagerID"`
	Languages []Language `gorm:"many2many:UserSpeak;"`
	Friends   []*User    `gorm:"many2many:user_friends;"`
	Active    bool
}

type Account struct {
	gorm.Model
	UserID sql.NullInt64
	Number string
}

type Pet struct {
	gorm.Model
	UserID *uint
	Name   string
	Toy    Toy `gorm:"polymorphic:Owner;"`
}

	user := *GetUser("select_create", Config{Account: true, Pets: 3, Toys: 3, Company: true, Manager: true, Team: 3, Languages: 3, Friends: 4})
	DB.Select("Account", "Toys", "Manager", "ManagerID", "Languages", "Name", "CreatedAt", "Age", "Active").Create(&user)

	var user2 User
	DB.Preload("Account").Preload("Pets").Preload("Toys").Preload("Company").Preload("Manager").Preload("Team").Preload("Languages").Preload("Friends").First(&user2, user.ID)

	userQuery := "SELECT .*user.*id.*user.*created_at.*user.*updated_at.*user.*deleted_at.*user.*name.*user.*age" +
		".*user.*birthday.*user.*company_id.*user.*manager_id.*user.*active.* "

	r := dryDB.Table("`user`").Find(&User{}).Statement
	if !regexp.MustCompile(userQuery + "FROM `user`").MatchString(r.Statement.SQL.String()) {
		t.Errorf("Table with escape character, got %v", r.Statement.SQL.String())

			AssertObjEqual(t, newUser, user, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "Name", "Age", "Birthday",
				"CompanyID", "ManagerID", "Active")
		}
	}

	AssertObjEqual(t, user, expect, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "Name", "Age", "Birthday", "CompanyID",
		"ManagerID", "Active")

	t.Run("Account", func(t *testing.T) {

	} else {
		CheckUser(t, result3, *user)
	}

	user.Active = false
	user.Age = 1
	if err := DB.Save(user).Error; err != nil {
		t.Errorf("errors happened when update: %v", err)
	} else if user.Age != 1 {
		t.Errorf("Age should equals to 1, but got %v", user.Age)
	} else if user.Active != false {
		t.Errorf("Active should equals to false, but got %v", user.Active)
	}
	checkUpdatedAtChanged("Save", user.UpdatedAt)

	}

	type NullModel struct {
		ID      uint
		Content string `gorm:"default:null"`
	}

	type NullStringModel struct {
		ID      uint
		Content string `gorm:"default:'null'"`
		Active  bool   `gorm:"default:false"`
	}

	tableName := "null_string_model"

	DB.Migrator().DropTable(tableName)

	err := DB.Table(tableName).AutoMigrate(&NullModel{})
	AssertEqual(t, err, nil)

		age           uint = 18
		active             = true
		user               = User{
			Model: &gorm.Model{
				ID:        10,
				CreatedAt: time.Now(),
				DeletedAt: gorm.DeletedAt{Time: time.Now(), Valid: true},
			},
			Name:     &name,
			Age:      &age,
			Birthday: tests.Now(),
			Active:   &active,
		}
		reflectValue = reflect.ValueOf(&user)
	)