}

	DB.Create(&products)

	for idx, value := range []int64{200, 300, 400} {
		if products[idx].Price != value {
			t.Errorf("invalid price for product #%v, expects: %v, got %v", idx, value, products[idx].Price)
		}
	}

	DB.Model(&products).Update("Name", "product-name")

	// will set all product's price to last product's price + 10
	for idx, value := range []int64{410, 410, 410} {
		if products[idx].Price != value {

			if !db.Statement.Unscoped {
				for _, c := range db.Statement.Schema.CreateClauses {
					db.Statement.AddClause(c)
				}
			}

			if supportReturning && len(db.Statement.Schema.FieldsWithDefaultDBValue) > 0 {
				if _, ok := db.Statement.Clauses["RETURNING"]; !ok {
					fromColumns := make([]clause.Column, 0, len(db.Statement.Schema.FieldsWithDefaultDBValue))
					for _, field := range db.Statement.Schema.FieldsWithDefaultDBValue {

		}

		constraints := user.ParseUniqueConstraints()
		if len(constraints) != 1 {
			t.Fatalf("failed to find unique constraint, got %v", constraints)
		}

		for key := range constraints {
			if len(key) != 63 {
				t.Errorf("failed to find unique constraint, got %v", constraints)
			}
		}
	})

	t.Run("naming strategy", func(t *testing.T) {

	}

	tx.RowsAffected = rowsAffected
	return tx
}

func (db *DB) assignInterfacesToValue(values ...interface{}) {
	for _, value := range values {
		switch v := value.(type) {
		case []clause.Expression:
			for _, expr := range v {
				if eq, ok := expr.(clause.Eq); ok {
					switch column := eq.Column.(type) {
					case string:

			LevelA3s: []*LevelA3{
				{
					Value:   "qux",
					LevelA1: levelA1,
				},
			},
		},
		{
			Value:    "bar 2",
			LevelA3s: []*LevelA3{},
		},
	}
	for _, levelA2 := range want {
		if err := DB.Save(levelA2).Error; err != nil {
			t.Error(err)
		}
	}

	var got []*LevelA2
	if err := DB.Preload("LevelA3s.LevelA1").Find(&got).Error; err != nil {
		t.Error(err)
	}

	var results []User
	if err := DB.Preload("Account").Find(&results, []uint{users[0].ID, users[1].ID}).Error; err != nil {
		t.Errorf("Not error should happen when finding users, but got %v", err)
	}

	for _, user := range results {
		if user.Name != user.Account.Number {
			t.Errorf("user's name should be equal to the account's number %v, but got %v", user.Account.Number, user.Name)
		}
	}

		}
		if value != "" {
			preloadMap[name][value] = args
		}
	}

	for name, args := range preloads {
		preloadFields := strings.Split(name, ".")
		value := strings.TrimPrefix(strings.TrimPrefix(name, preloadFields[0]), ".")
		if preloadFields[0] == clause.Associations {
			for _, relation := range s.Relationships.Relations {
				if relation.Schema == s {
					setPreloadMap(relation.Name, value, args)
				}
			}

				}
			}
		case map[interface{}]interface{}:
			for i, j := range v {
				conds = append(conds, clause.Eq{Column: i, Value: j})
			}
		case map[string]string:
			keys := make([]string, 0, len(v))
			for i := range v {
				keys = append(keys, i)
			}
			sort.Strings(keys)

			for _, key := range keys {
				conds = append(conds, clause.Eq{Column: key, Value: v[key]})
			}

	}

	for _, user := range users {
		for idx, pet := range user.Pets {
			pet.Toy = Toy{Name: user.Name + "_toy_nested_preload_" + strconv.Itoa(idx+1)}
		}
	}

	if err := DB.Create(&users).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	var userIDs []uint
	for _, user := range users {
		userIDs = append(userIDs, user.ID)
	}

		"id":         2,
		"created_at": time.Now(),
		"updated_at": nil,
		"deleted_at": time.Now(),
		"age":        20,
		"birthday":   time.Now(),
		"active":     f,
	}

	for k, v := range newValues {
		if err := userSchema.FieldsByDBName[k].Set(context.Background(), reflectValue, v); err != nil {
			t.Errorf("no error should happen when assign value to field %v, but got %v", k, err)
		}
	}