err       error
	)

	if options.XdsViaAgents {
		responses, err = queryDebugSynczViaAgents(all, dr, istioNamespace, kubeClient, centralOpts, options)
	} else {
		// Self-administered case.  Find all Istiods in revision using K8s, port-forward and call each in turn
		responses, err = queryEachShard(all, dr, istioNamespace, kubeClient, centralOpts)
	}
	if err != nil {
		if _, ok := err.(ControlPlaneNotFoundError); ok {

	}

	result := struct {
		Name  string
		Total int64
	}{}

	if err := DB.Model(&User{}).Select("name, sum(age) as total").Where("name LIKE ?", "groupby%").Group("name").Having("name = ?", "groupby1").Find(&result).Error; err != nil {
		t.Errorf("no error should happen, but got %v", err)
	}

	if result.Name != "groupby1" || result.Total != 660 {
		t.Errorf("name should be groupby, total should be 660, but got %+v", result)

type endpointSet struct {
	argPatterns []ellipses.ArgPattern
	endpoints   []string   // Endpoints saved from previous GetEndpoints().
	setIndexes  [][]uint64 // All the sets.
}

// Supported set sizes this is used to find the optimal
// single set size.
var setSizes = []uint64{2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16}

// getDivisibleSize - returns a greatest common divisor of
// all the ellipses sizes.

	for len(filename) == 0 {
		filename, err = getDefaultCNINetwork(cfg.mountedCNINetDir)
		if err == nil {
			break
		}
		installLog.Warnf("Istio CNI is configured as chained plugin, but cannot find existing CNI network config: %v", err)
		installLog.Infof("Waiting for CNI network config file to be written in %v...", cfg.mountedCNINetDir)
		if err := watcher.Wait(ctx); err != nil {
			return "", err
		}
	}

		time.Sleep(time.Duration(msInterval) * time.Millisecond)
	}

	if ambientPod == nil {
		return fmt.Errorf("got event for pod %s in namespace %s but could not find in pod cache after retries", addCmd.PodName, addCmd.PodNamespace)
	}
	log.Debugf("Pod: %s in ns: %s is enabled for ambient, adding to mesh.", addCmd.PodName, addCmd.PodNamespace)

	var podIps []netip.Addr

	inputQuery := r.URL.Query()
	// case where some headers need to get from request query
	signedHeaders = append(signedHeaders, "x-amz-server-side-encryption")
	// expect to fail with `ErrUnsignedHeaders` because couldn't find some header
	_, errCode = extractSignedHeaders(signedHeaders, r)
	if errCode != ErrUnsignedHeaders {
		t.Fatalf("Expected the APIErrorCode to %d, but got %d", ErrUnsignedHeaders, errCode)
	}

			maxCount = count
			maxHash = hash
		}
	}

	if maxCount < quorum {
		return FileInfo{}, InsufficientReadQuorum{Err: errErasureReadQuorum, Type: RQInconsistentMeta}
	}

	// Find the successor mod time in quorum, otherwise leave the
	// candidate's successor modTime as found
	succModTimeMap := make(map[time.Time]int)
	var candidate FileInfo
	var found bool
	for i, hash := range metaHashes {

	if (len(users1) != len(users4)) || (len(users1)-len(users2) != 3) || (len(users1)-len(users3) != 5) {
		t.Errorf("Offset should work")
	}

	DB.Where("name like ?", "OffsetUser%").Order("age desc").Find(&users1).Offset(3).Find(&users2).Offset(5).Find(&users3).Offset(-1).Find(&users4)

	if err := DB.First(&User{}, "name = ?", user.Name).Error; err != nil {
		t.Fatalf("Should find saved record")
	}

	if err := DB.First(&User{}, "name = ?", user1.Name).Error; err == nil {
		t.Fatalf("Should not find rollbacked record")
	}

	if err := DB.First(&User{}, "name = ?", user2.Name).Error; err != nil {
		t.Fatalf("Should find saved record")
	}
}

func TestNestedTransactionWithBlock(t *testing.T) {
	var (

	t.Helper()

	// Read JSON from CNI config file
	cniConfigMap, err := util.ReadCNIConfigMap(cniConfigFilepath)
	if err != nil {
		t.Fatal(err)
	}

	// Find Istio CNI and remove from plugin list
	plugins, err := util.GetPlugins(cniConfigMap)
	if err != nil {
		t.Fatal(err)
	}
	for i, rawPlugin := range plugins {
		plugin, err := util.GetPlugin(rawPlugin)