t.Errorf("got error when pluck name: %v", err)
	}

	var names2 []string
	if err := DB.Model(User{}).Where("name like ?", "pluck-user%").Order("name desc").Pluck("name", &names2).Error; err != nil {
		t.Errorf("got error when pluck name: %v", err)
	}

	sort.Slice(names2, func(i, j int) bool { return names2[i] < names2[j] })
	AssertEqual(t, names, names2)

	var ids []int

	AssertEqual(t, false, DB.Migrator().HasIndex(&UniqueTest{}, "name"))
	AssertEqual(t, false, DB.Migrator().HasIndex(&UniqueTest{}, "name_1"))
	AssertEqual(t, false, DB.Migrator().HasIndex(&UniqueTest{}, "name_2"))

	ct, err = findColumnType(&UniqueTest{}, "name")
	if err != nil {
		t.Fatalf("findColumnType err:%v", err)
	}

	value, ok = ct.DefaultValue()