// Query in gorm.ViewOption is a [subquery]
//
//	// CREATE VIEW `user_view` AS SELECT * FROM `users` WHERE age > 20
//	q := DB.Model(&User{}).Where("age > ?", 20)
//	DB.Debug().Migrator().CreateView("user_view", gorm.ViewOption{Query: q})
//
//	// CREATE OR REPLACE VIEW `users_view` AS SELECT * FROM `users` WITH CHECK OPTION
//	q := DB.Model(&User{})

func (listener *httpListener) start() {
	// Closure to send acceptResult to acceptCh.
	// It returns true if the result is sent else false if returns when doneCh is closed.
	send := func(result acceptResult) bool {
		select {
		case listener.acceptCh <- result:
			// Successfully written to acceptCh
			return true
		case <-listener.ctx.Done():
			return false
		}
	}

	// Closure to handle TCPListener until done channel is closed.

	if r == nil {
		return
	}
	for {
		select {
		case <-ctx.Done():
			return
		case <-r.wTimer.C:
			r.wlock.Lock()
			r.workers.update()
			r.wlock.Unlock()

		}
	}
}

func (r *ReplicationStats) collectQueueMetrics(ctx context.Context) {
	if r == nil {
		return
	}

	for {
		select {
		case <-ctx.Done():
			return
		case <-r.qTimer.C:

					st.ReplicatedCount++
					st.ReplicatedSize += roi.Size
				}
				traceFn(err)
				select {
				case <-ctx.Done():
					return
				case <-s.resyncCancelCh:
					return
				case resultCh <- st:
				}
			}
		}(ctx, i)
	}
	for obj := range objInfoCh {
		select {
		case <-s.resyncCancelCh:
			resyncStatus = ResyncCanceled
			return
		case <-ctx.Done():

		nsMatchedLabels := make([]string, 0)
		podMatchedLabels := make([]string, 0)
		extractMatchLabels := func(selector *metav1.LabelSelector) []string {
			if selector == nil {
				return nil
			}
			labels := make([]string, 0)
			for _, me := range selector.MatchExpressions {
				if me.Operator != metav1.LabelSelectorOpIn {
					continue
				}
				for _, v := range me.Values {

			result.Servers = len(globalNotificationSys.peerClients) + 1
			result.Version = Version
			result.Concurrent = concurrency

			select {
			case ch <- result:
			case <-ctx.Done():
				return
			}
		}

		for {
			select {
			case <-ctx.Done():
				// If the client got disconnected stop the speedtest.
				return
			default:
			}

			sopts := speedTestOpts{

	wg := &WaitGroup{
		done: make(chan struct{}),
	}

	wg.Add(n)
	return wg, func() {
		select {
		case <-wg.C():
			return
		case <-time.After(time.Second):
			t.Fatal("Wait group timed out!\n")
		}
	}
}

func (wg *WaitGroup) Add(i int32) {
	select {
	case <-wg.done:
		panic("use of an already closed WaitGroup")
	default:
	}
	atomic.AddInt32(&wg.count, i)
}

		defer r.readerWg.Done()
		for {
			q := queueItem{
				input: next,
				dst:   make(chan [][]string, 1),
				err:   nextErr,
			}
			select {
			case <-r.close:
				return
			case r.queue <- &q:
			}

			select {
			case <-r.close:
				return
			case r.input <- &q:
			}
			if nextErr != nil {
				// Exit on any error.
				return
			}

	r := dryDB.Distinct("u.id, u.*").Table("user_speaks as s").Joins("inner join users as u on u.id = s.user_id").Where("s.language_code ='US' or s.language_code ='ES'").Find(&User{})
	if !regexp.MustCompile(`SELECT DISTINCT u\.id, u\.\* FROM user_speaks as s inner join users as u`).MatchString(r.Statement.SQL.String()) {
		t.Fatalf("Build Distinct with u.*, but got %v", r.Statement.SQL.String())
	}

	if !dm.GetLock(ctx, cancel, id, source, Options{Timeout: 5 * time.Minute}) {
		t.Fatal("GetLock() should be successful")
	}

	// Make it run twice.
	timer := time.NewTimer(testDrwMutexRefreshInterval * 2)

	select {
	case <-ctx.Done():
		t.Fatal("Lock context canceled which is not expected")
	case <-timer.C:
	}

	// Should be safe operation in all cases
	dm.Unlock(context.Background())
}