totalBatch += batch
		return nil
	}); result.Error != gorm.ErrPrimaryKeyRequired {
		t.Fatal("expected errors to have occurred, but nothing happened")
	}
}

func TestFillSmallerStruct(t *testing.T) {
	user := User{Name: "SmallerUser", Age: 100}
	DB.Save(&user)
	type SimpleUser struct {
		ID        int64
		Name      string
		UpdatedAt time.Time
		CreatedAt time.Time
	}