// created when the disk was down.
	err = os.RemoveAll(path.Join(fsDirs[0], bucket))
	if err != nil {
		t.Fatal(err)
	}
	// This would create the bucket.
	_, err = obj.HealBucket(ctx, bucket, madmin.HealOpts{
		DryRun: false,
		Remove: false,
	})
	if err != nil {
		t.Fatal(err)
	}
	// Stat the bucket to make sure that it was created.
	_, err = er.getDisks()[0].StatVol(t.Context(), bucket)
	if err != nil {

		t.Errorf("Error happened when count with group, but got %v", err)
	}

	if count3 != 2 {
		t.Errorf("Should get correct count for count with group, but got %v", count3)
	}

	dryDB := DB.Session(&gorm.Session{DryRun: true})
	result := dryDB.Table("users").Select("name").Count(&count)
	if !regexp.MustCompile(`SELECT COUNT\(.name.\) FROM .*users.*`).MatchString(result.Statement.SQL.String()) {

	if name := DB.Dialector.Name(); name != "sqlserver" {
		type RestrictedLanguage struct {
			Code string `gorm:"primarykey"`
			Name string
			Lang string `gorm:"<-:create"`
		}

		r := DB.Session(&gorm.Session{DryRun: true}).Clauses(clause.OnConflict{UpdateAll: true}).Create(&RestrictedLanguage{Code: "upsert_code", Name: "upsert_name", Lang: "upsert_lang"})

	}
}

func TestGORMValuer(t *testing.T) {
	type UserWithPoint struct {
		Name  string
		Point Point
	}

	dryRunDB := DB.Session(&gorm.Session{DryRun: true})

	stmt := dryRunDB.Create(&UserWithPoint{
		Name:  "jinzhu",
		Point: Point{X: 100, Y: 100},
	}).Statement

	if stmt.SQL.String() == "" || len(stmt.Vars) != 2 {

		// Valid cases
		{},
		{mgmtBucket: "bucket"},
		{mgmtBucket: "bucket", mgmtPrefix: "objprefix"},
	}

	// Body is always valid - we do not test JSON decoding.
	body := `{"recursive": false, "dryRun": true, "remove": false, "scanMode": 0}`

	// Test all combinations!
	for pIdx, params := range qParamsArr {
		for vIdx, vars := range varsArr {

}

// SignalService - sends signal to peer nodes.
func (client *peerRESTClient) SignalService(sig serviceSignal, subSys string, dryRun bool, execAt *time.Time) error {
	values := grid.NewMSS()
	values.Set(peerRESTSignal, strconv.Itoa(int(sig)))
	values.Set(peerRESTDryRun, strconv.FormatBool(dryRun))
	values.Set(peerRESTSubSys, subSys)
	if execAt != nil {
		values.Set(peerRESTExecAt, execAt.Format(time.RFC3339Nano))
	}

	if len(users6) != 1 {
		t.Errorf("should find one users using left join with conditions, but got %v", len(users6))
	}

	dryDB := DB.Session(&gorm.Session{DryRun: true})

	}

	dryDB := DB.Session(&gorm.Session{DryRun: true})
	stmt := dryDB.Save(&user).Statement
	if !regexp.MustCompile(`.users.\..deleted_at. IS NULL`).MatchString(stmt.SQL.String()) {
		t.Fatalf("invalid updating SQL, got %v", stmt.SQL.String())
	}

	dryDB = DB.Session(&gorm.Session{DryRun: true})
	stmt = dryDB.Unscoped().Save(&user).Statement

	SetDriveCounts() []int                              // list of erasure stripe size for each pool in order.

	// Healing operations.
	HealFormat(ctx context.Context, dryRun bool) (madmin.HealResultItem, error)
	HealBucket(ctx context.Context, bucket string, opts madmin.HealOpts) (madmin.HealResultItem, error)

	case serviceRestart, serviceStop:
		dryRun := vars.Get("dry-run") == "true" // This is only supported for `restart/stop`

		waitingDisks := waitingDrivesNode()
		if len(waitingDisks) > 0 {
			buf, err := json.Marshal(waitingDisks)
			if err != nil {
				return np, grid.NewRemoteErr(err)
			}
			return np, grid.NewRemoteErrString(string(buf))
		}
		if !dryRun {
			globalServiceSignalCh <- signal
		}