return true
	}

	// Only check ping when not closed.
	if got := time.Since(time.Unix(0, atomic.LoadInt64(&m.LastPong))); got > m.clientPingInterval*2 {
		m.respMu.Unlock()
		if debugPrint {
			fmt.Printf("Mux %d: last pong %v ago, disconnecting\n", m.MuxID, got)
		}
		m.addErrorNonBlockingClose(respHandler, ErrDisconnected)
		return false
	}

	// Send new ping

}

func Test_hashOrder(t *testing.T) {
	for x := 1; x < 17; x++ {
		t.Run(fmt.Sprintf("%d", x), func(t *testing.T) {
			var first [17]int
			rng := rand.New(rand.NewSource(0))
			var tmp [16]byte
			rng.Read(tmp[:])
			prefix := hex.EncodeToString(tmp[:])
			for range 10000 {
				rng.Read(tmp[:])

				y := hashOrder(fmt.Sprintf("%s/%x", prefix, hex.EncodeToString(tmp[:3])), x)
				first[y[0]]++
			}

		if strings.EqualFold(az.StorageClass, string(t)) {
			return &t
		}
	}
	return nil
}

func (az *warmBackendAzure) getDest(object string) string {
	destObj := object
	if az.Prefix != "" {
		destObj = fmt.Sprintf("%s/%s", az.Prefix, object)
	}
	return destObj
}

func (az *warmBackendAzure) PutWithMeta(ctx context.Context, object string, r io.Reader, length int64, meta map[string]string) (remoteVersionID, error) {

		},
		{
			[]clause.Interface{clause.Delete{Modifier: "LOW_PRIORITY"}, clause.From{}},
			"DELETE LOW_PRIORITY FROM `users`", nil,
		},
	}

	for idx, result := range results {
		t.Run(fmt.Sprintf("case #%v", idx), func(t *testing.T) {
			checkBuildClauses(t, result.Clauses, result.Result, result.Vars)
		})
	}

		v, err := expr.evalNode(nil, e.tableAlias)
		if err != nil {
			return err
		}
		if expr.As != "" {
			output, err = output.Set(expr.As, v)
		} else {
			output, err = output.Set(fmt.Sprintf("_%d", i+1), v)
		}
		if err != nil {
			return err
		}
	}
	return nil
}

func (e *SelectStatement) isPassingWhereClause(input Record) (bool, error) {
	if e.selectAST.Where == nil {

		avgName := MetricName(fmt.Sprintf("%s_avg", name))
		avgHelp := fmt.Sprintf("%s (avg)", help)
		metrics = append(metrics, MetricV2{
			Description:    getResourceMetricDescription(subSys, avgName, avgHelp),
			Value:          math.Round(rm.Avg*100) / 100,
			VariableLabels: cloneMSS(rm.Labels),
		})

		maxName := MetricName(fmt.Sprintf("%s_max", name))
		maxHelp := fmt.Sprintf("%s (max)", help)

	tr := tar.NewReader(&buf)
	for {
		hdr, err := tr.Next()
		if err == io.EOF {
			break // End of archive
		}
		if err != nil {
			log.Fatal(err)
		}
		fmt.Printf("Contents of %s:\n", hdr.Name)
		if _, err := io.Copy(os.Stdout, tr); err != nil {
			log.Fatal(err)
		}
		fmt.Println()
	}

	// Output:
	// Contents of readme.txt:
	// This archive contains some text files.

		{
			[]clause.Interface{clause.Insert{Table: clause.Table{Name: "products"}, Modifier: "LOW_PRIORITY"}},
			"INSERT LOW_PRIORITY INTO `products`", nil,
		},
	}

	for idx, result := range results {
		t.Run(fmt.Sprintf("case #%v", idx), func(t *testing.T) {
			checkBuildClauses(t, result.Clauses, result.Result, result.Vars)
		})
	}

		if Compare(b1, b2[offset:]) != 0 {
			b.Fatal("b1 != b2")
		}
	}
	b.SetBytes(int64(len(b1)))
}

func BenchmarkCompareBytesBigUnaligned(b *testing.B) {
	for i := 1; i < 8; i++ {
		b.Run(fmt.Sprintf("offset=%d", i), func(b *testing.B) {
			benchmarkCompareBytesBigUnaligned(b, i)
		})
	}
}

func benchmarkCompareBytesBigBothUnaligned(b *testing.B, offset int) {
	b.StopTimer()

			"SELECT * FROM `users` LIMIT ? OFFSET ?",
			[]interface{}{limit50, 30},
		},
	}

	for idx, result := range results {
		t.Run(fmt.Sprintf("case #%v", idx), func(t *testing.T) {
			checkBuildClauses(t, result.Clauses, result.Result, result.Vars)
		})
	}