t.Fatalf("should raise error when create users without languages reference")
	}

	if err := DB.Create(&user.Languages).Error; err != nil {
		t.Fatalf("no error should happen when create languages, but got %v", err)
	}

	if err := DB.Omit("Languages.*").Create(&user).Error; err != nil {
		t.Fatalf("no error should happen when create user when languages exists, but got %v", err)
	}

	if err := DB.Model(&User{}).Where("name like ?", "distinct%").Count(&count).Error; err != nil || count != 5 {
		t.Errorf("failed to query users count, got error: %v, count: %v", err, count)
	}

	if err := DB.Model(&User{}).Distinct("name").Where("name like ?", "distinct%").Count(&count).Error; err != nil || count != 3 {
		t.Errorf("failed to query users count, got error: %v, count %v", err, count)
	}

		t.Errorf("failed to find item parent, got error: %v", err)
	}
	if len(parents) != 1 {
		t.Errorf("expected %d parents, got %d", 1, len(parents))
	}

	// test delete
	if err := tx.Model(&item).Association("ItemParent").Unscoped().Delete(&parents); err != nil {
		t.Errorf("failed to delete item parent, got error: %v", err)
	}
	if err := tx.Find(&parents).Error; err != nil {

	// Otherwise, the caller has passed an invalid argument combination.
	if keyID == "" && len(kmsKey) != 0 {
		logger.CriticalIf(context.Background(), errors.New("The key ID must not be empty if a KMS data key is present"))
	}
	if keyID != "" && len(kmsKey) == 0 {
		logger.CriticalIf(context.Background(), errors.New("The KMS data key must not be empty if a key ID is present"))
	}

	if metadata == nil {
		metadata = make(map[string]string, 5)
	}

	// One of these retriable errors shall be retried.
	return errors.Is(err, errDiskNotFound) ||
		errors.Is(err, errConfigNotFound) ||
		errors.Is(err, context.DeadlineExceeded) ||
		errors.Is(err, errErasureWriteQuorum) ||
		errors.Is(err, errErasureReadQuorum) ||
		errors.Is(err, io.ErrUnexpectedEOF) ||
		errors.As(err, &rquorum) ||
		errors.As(err, &wquorum) ||
		isErrObjectNotFound(err) ||

	if set {
		if err := setxattr(path, name, value); err != nil {
			log.Fatalln(fmt.Errorf("setting attribute %s failed with: %v", name, err))
		}
	} else {
		if name == "" {
			log.Fatalln("you must specify an attribute name for reading")
		}
		var names []string
		if name == "." {
			attrs, err := listxattr(path)
			if err != nil {
				log.Fatalln(fmt.Errorf("listing attributes failed with: %v", err))
			}

		t.Errorf("Write error: got %T, want testError1", err)
	}
	if _, err := rb.TryWrite(nil); err != (testError1{}) {
		t.Errorf("Write error: got %T, want testError1", err)
	}
	if _, err := rb.TryWrite([]byte{1}); err != (testError1{}) {
		t.Errorf("Write error: got %T, want testError1", err)
	}
	if err := rb.TryWriteByte(0); err != (testError1{}) {
		t.Errorf("Write error: got %T, want testError1", err)
	}

	if err != nil {
		return cfg, fmt.Errorf("'heal:max_io' value invalid: %w", err)
	}
	if ws := env.Get(EnvDriveWorkers, kvs.GetWithDefault(DriveWorkers, DefaultKVS)); ws != "" {
		w, err := strconv.Atoi(ws)
		if err != nil {
			return cfg, fmt.Errorf("'heal:drive_workers' value invalid: %w", err)
		}
		if w < 1 {
			return cfg, fmt.Errorf("'heal:drive_workers' value invalid: zero or negative integer unsupported")

	EventTime string
}

// Validate RedisArgs fields
func (r RedisArgs) Validate() error {
	if !r.Enable {
		return nil
	}

	if r.Format != "" {
		f := strings.ToLower(r.Format)
		if f != event.NamespaceFormat && f != event.AccessFormat {
			return fmt.Errorf("unrecognized format")
		}
	}

	if r.Key == "" {
		return fmt.Errorf("empty key")
	}

	if r.QueueDir != "" {
		if !filepath.IsAbs(r.QueueDir) {

// converted based on the query.
func (r *Record) Get(name string) (*sql.Value, error) {
	index, found := r.nameIndexMap[name]
	if !found {
		// Check if index.
		if after, ok := strings.CutPrefix(name, "_"); ok {
			idx, err := strconv.Atoi(after)
			if err != nil {
				return nil, fmt.Errorf("column %v not found", name)
			}
			// The position count starts at 1.
			idx--