var user3 User
	DB.First(&user3, users[1].ID)

	users[1].Age += 50
	CheckUser(t, user3, *users[1])

	// update with struct
	DB.Model(users[1]).UpdateColumns(User{Name: "update_column_02_newnew2", Age: 200})
	if users[1].Name != "update_column_02_newnew2" || users[1].Age != 200 {
		t.Errorf("user 2 should be updated with update column")
	}
	AssertEqual(t, lastUpdatedAt.UnixNano(), users[1].UpdatedAt.UnixNano())