RegisteredAt: mytime(time.Now()),
			DeletedAt:    &deletedAt,
			Active:       mybool(true),
			Admin:        &isAdmin,
		}
		reflectValue = reflect.ValueOf(&user)
	)

	// test valuer
	values := map[string]interface{}{
		"id":            user.ID,
		"name":          user.Name,
		"birthday":      user.Birthday,
		"registered_at": user.RegisteredAt,

		{Name: "Name", DBName: "name", BindNames: []string{"Name"}, DataType: schema.String},
		{Name: "Birthday", DBName: "birthday", BindNames: []string{"Birthday"}, DataType: schema.Time},
		{Name: "RegisteredAt", DBName: "registered_at", BindNames: []string{"RegisteredAt"}, DataType: schema.Time},
		{Name: "DeletedAt", DBName: "deleted_at", BindNames: []string{"DeletedAt"}, DataType: schema.Time},

}

type (
	mytime time.Time
	myint  int
	mybool = bool
)

type AdvancedDataTypeUser struct {
	ID           sql.NullInt64
	Name         *sql.NullString
	Birthday     sql.NullTime
	RegisteredAt mytime
	DeletedAt    *mytime
	Active       mybool
	Admin        *mybool
}

type BaseModel struct {
	ID        uint
	CreatedAt time.Time
	CreatedBy *int