t.Fatalf("Age soft deleted record, expects: %v, got: %v, err %v", 0, pages, err)
	}

	if err := DB.Unscoped().First(&SoftDeleteBook{}, "name = ?", book.Name).Error; err != nil {
		t.Errorf("Should find soft deleted record with Unscoped, but got err %s", err)
	}

	count = 0
	if DB.Unscoped().Model(&SoftDeleteBook{}).Where("name = ?", book.Name).Count(&count).Error != nil || count != 1 {

		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 {

		return result, err
	}
	if result.Error != "" {
		return result, errors.New(result.Error)
	}
	return result, nil
}

func (client *peerRESTClient) GetLastDayTierStats(ctx context.Context) (DailyAllTierStats, error) {
	resp, err := getLastDayTierStatsRPC.Call(ctx, client.gridConn(), grid.NewMSS())
	if err != nil || resp == nil {
		return DailyAllTierStats{}, err
	}
	return *resp, nil
}

	if DB.Where("sdsd.zaaa = ?", "sd;;;aa").Pluck("aaa", &columns).Error == nil {
		t.Errorf("Should got error with invalid SQL")
	}

	if DB.Model(&User{}).Where("sdsd.zaaa = ?", "sd;;;aa").Pluck("aaa", &columns).Error == nil {
		t.Errorf("Should got error with invalid SQL")
	}

	if DB.Where("sdsd.zaaa = ?", "sd;;;aa").Find(&User{}).Error == nil {
		t.Errorf("Should got error with invalid SQL")
	}

	var count1, count2 int64

    }

    /** The DCERPC error code */
    private int error;
    /** The root cause exception */
    private Throwable rootCause;

    DcerpcException(final int error) {
        super(getMessageByDcerpcError(error));
        this.error = error;
    }

    /**
     * Constructs a DcerpcException with the specified message
     *
     * @param msg the error message
     */

	storage := globalLocalSetDrives[0][0][0]
	if err = storage.MakeVol(t.Context(), "foo"); err != nil {
		t.Fatalf("unexpected error %v", err)
	}

	if err = storage.MakeVol(t.Context(), "bar"); err != nil {
		t.Fatalf("unexpected error %v", err)
	}

	restClient, err := newStorageRESTClient(endpoint, false, tg.Managers[0])
	if err != nil {
		t.Fatal(err)
	}

	for {

	if entity == "" {
		return toAPIError(ctx, fmt.Errorf("error exporting %s with: %w", fname, err))
	}
	return toAPIError(ctx, fmt.Errorf("error exporting %s from %s with: %w", entity, fname, err))
}

// wraps import error for more context
func importError(ctx context.Context, err error, fname, entity string) APIError {
	if entity == "" {

	user := User{Name: "jinzhu", Account: Account{Number: "1"}}

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

	if err := DB.Model(&user).Association("Languages").Replace(Account{Number: "2"}); err == nil {
		t.Error("expected association error to be not nil")
	}

		defer g.workers.Give()

		g.errs[index] = NotificationPeerErr{
			Host: addr,
		}

		retryCount := g.retryCount
		for i := range retryCount {
			g.errs[index].Err = nil
			if err := f(); err != nil {
				g.errs[index].Err = err

				if contextCanceled(ctx) {
					// context already canceled no retries.
					retryCount = 0
				}

				// Last iteration log the error.
				if i == retryCount-1 {

	if err = db.AutoMigrate(&City{}, &Museum{}); err != nil {
		t.Fatalf("failed to migrate countries & cities tables, got error: %v", err)
	}

	city := City{Name: "Amsterdam"}

	err = db.Create(&city).Error
	if err != nil {
		t.Fatalf("failed to create city: %v", err)
	}

	err = db.Create(&Museum{Name: "Eye Filmmuseum", CityID: city.ID}).Error
	if err != nil {