DB.First(&user2, users[1].ID)
	CheckUser(t, user1, *users[0])
	CheckUser(t, user2, *users[1])

	DB.Model(users[1]).UpdateColumn("name", "update_column_02_newnew").UpdateColumn("age", 19)
	AssertEqual(t, lastUpdatedAt.UnixNano(), users[1].UpdatedAt.UnixNano())

	if users[1].Name != "update_column_02_newnew" {
		t.Errorf("user 2's name should be updated, but got %v", users[1].Name)
	}

	if users[1].Age != 19 {