var result4 CustomizeFieldStruct
	if err := DB.First(&result4, "field_allow_save3 = ?", create.FieldAllowSave3).Error; err != nil {
		t.Fatalf("failed to query with inserted field, got error %v", err)
	}

	AssertEqual(t, result3, result4)

	createWithDefaultTime := generateStruct("create_with_default_time")
	createWithDefaultTime.AutoUnixCreateTime = 100
	createWithDefaultTime.AutoUnixUpdateTime = 100

	var names []string
	DB.Table("users").Where("name like ?", "distinct%").Order("name").Pluck("name", &names)
	AssertEqual(t, names, []string{"distinct", "distinct", "distinct", "distinct-2", "distinct-3"})

	var names1 []string
	DB.Model(&User{}).Where("name like ?", "distinct%").Distinct().Order("name").Pluck("Name", &names1)

	AssertEqual(t, names1, []string{"distinct", "distinct-2", "distinct-3"})

	var names2 []string

	} else {
		AssertEqual(t, result, lang)
	}

	lang.Name += "_new"
	if err := DB.Save(&lang).Error; err != nil {
		t.Errorf("Failed to create, got error %v", err)
	}

	var result2 Language
	if err := DB.First(&result2, "code = ?", lang.Code).Error; err != nil {
		t.Errorf("Failed to query lang, got error %v", err)
	} else {
		AssertEqual(t, result2, lang)
	}
}

		}
	}

	return strings.Join(results, "_")
}

func Contains(elems []string, elem string) bool {
	for _, e := range elems {
		if elem == e {
			return true
		}
	}
	return false
}

func AssertEqual(x, y interface{}) bool {
	if reflect.DeepEqual(x, y) {
		return true
	}
	if x == nil || y == nil {
		return false
	}

	xval := reflect.ValueOf(x)
	yval := reflect.ValueOf(y)

	if product.Name != "Product New3" || product.Price != 220 || product.Code != "L1213" {
		t.Errorf("invalid data after update, got %+v", product)
	}

	var result Product3
	DB.First(&result, product.ID)

	AssertEqual(t, result, product)

	// Select to change Code, but nothing updated, price should not change
	DB.Model(&product).Select("code").Updates(Product3{Name: "L1214", Code: "L1213"})

	for k, v := range values {
		t.Run("CheckField/"+k, func(t *testing.T) {
			fv, _ := s.FieldsByDBName[k].ValueOf(context.Background(), value)
			tests.AssertEqual(t, v, fv)
		})
	}

	AssertEqual(t, nil, err)

	var findUser1 User
	err = DB.Preload("Languages").Where("id = ?", user1.ID).First(&findUser1).Error
	AssertEqual(t, nil, err)
	AssertEqual(t, user1, findUser1)

	var findUser2 User
	err = DB.Preload("Languages").Where("id = ?", user2.ID).First(&findUser2).Error
	AssertEqual(t, nil, err)
	AssertEqual(t, user2, findUser2)
}

	err = DB.Model(&emptyUser).Association("Company").Delete(&user1.Company)
	AssertEqual(t, err, gorm.ErrPrimaryKeyRequired)
	// has many
	err = DB.Model(&emptyUser).Association("Pets").Delete(&user1.Pets)
	AssertEqual(t, err, gorm.ErrPrimaryKeyRequired)
	// has one
	err = DB.Model(&emptyUser).Association("Account").Delete(&user1.Account)
	AssertEqual(t, err, gorm.ErrPrimaryKeyRequired)
	// many to many

	}

	if len(qs) != 2 {
		t.Fatalf("find count not equal:%d", len(qs))
	}

	AssertEqual(t, q1, qs[0])
	AssertEqual(t, q2, qs[1])
}

func TestQueryError(t *testing.T) {
	type P struct{}
	var p1 P
	err := DB.Take(&p1, 1).Error
	AssertEqual(t, err, gorm.ErrModelAccessibleFieldsRequired)

	var p2 interface{}

		{"driver.Valuer equal (ptr to nil ptr)", (*ModifyAt)(nil), &ModifyAt{}, false},
	}
	for _, test := range assertEqualTests {
		t.Run(test.name, func(t *testing.T) {
			if out := AssertEqual(test.src, test.dst); test.out != out {
				t.Errorf("AssertEqual(%v, %v) want: %t, got: %t", test.src, test.dst, test.out, out)
			}
		})
	}
}

func TestToString(t *testing.T) {
	tests := []struct {
		name string