s2Type     CompressionType = "S2"
	snappyType CompressionType = "SNAPPY"
)

const (
	maxRecordSize = 1 << 20 // 1 MiB
)

var parquetSupport bool

func init() {
	parquetSupport = env.Get("MINIO_API_SELECT_PARQUET", config.EnableOff) == config.EnableOn
}

var bufPool = sync.Pool{
	New: func() interface{} {
		// make a buffer with a reasonable capacity.
		return bytes.NewBuffer(make([]byte, 0, maxRecordSize))
	},
}

		progressTickerC = progressTicker.C
	}
	recordStagingTicker := time.NewTicker(500 * time.Millisecond)

	// Exit conditions:
	//
	// 1. If a writer.write() returns false, select loop below exits and
	// closes `doneCh` to indicate to caller to also exit.
	//
	// 2. If caller (Evaluate()) has an error, it sends an error
	// message and waits for this go-routine to quit in
	// FinishWithError()

}

// heartBeat performs liveness check on remote endpoints.
func (sys *BucketTargetSys) heartBeat(ctx context.Context) {
	hcTimer := time.NewTimer(defaultHealthCheckDuration)
	defer hcTimer.Stop()
	for {
		select {
		case <-hcTimer.C:
			sys.hMutex.RLock()
			eps := make([]madmin.ServerProperties, 0, len(sys.hc))
			for _, ep := range sys.hc {

		return fmt.Errorf("Select parameters can only be specified with SELECT request type")
	}
	if r.Type == SelectRestoreRequest && r.SelectParameters.IsEmpty() {
		return fmt.Errorf("SELECT restore request requires select parameters to be specified")
	}

	if r.Type != SelectRestoreRequest && !r.OutputLocation.IsEmpty() {
		return fmt.Errorf("OutputLocation required only for SELECT request type")
	}

		}

		timer := time.NewTimer(randSleepFor())
		defer timer.Stop()

		var (
			quit     bool
			traceMsg string
		)

		for {
			select {
			case rebalErr := <-doneCh:
				quit = true
				now := time.Now()
				var status rebalStatus

				switch {
				case errors.Is(rebalErr, context.Canceled):
					status = rebalStopped

	for {
		select {
		case <-m.ctx.Done():
			if debugPrint {
				fmt.Println("Client sending disconnect to mux", m.MuxID)
			}
			err := context.Cause(m.ctx)
			if !errors.Is(err, errStreamEOF) {
				m.addErrorNonBlockingClose(respHandler, err)
			}
			return
		case resp, ok := <-respServer:
			if !ok {
				return
			}
			select {
			case respHandler <- resp:

		time.Sleep(time.Duration(rng.Int63n(int64(1 * time.Second))))

		dctx, dcancel := context.WithCancel(ctx)
		started := time.Now()
		go func() {
			timeout := time.NewTimer(globalDriveConfig.GetMaxTimeout())
			select {
			case <-dctx.Done():
				if !timeout.Stop() {
					<-timeout.C
				}
			case <-timeout.C:
				spent := time.Since(started)

	}
	st.Results(func(b *grid.Bytes) error {
		select {
		case listenCh <- *b:
		default:
			// Do not block on slow receivers.
			b.Recycle()
		}
		return nil
	})
}

// Listen - listen on peers.
func (client *peerRESTClient) Listen(ctx context.Context, listenCh chan<- []byte, v url.Values) {
	go func() {
		for {
			client.doListen(ctx, listenCh, v)
			select {
			case <-ctx.Done():
				return

			toDelCopy := make([]ObjectToDelete, len(toDel))
			for attempts := 1; attempts <= retryAttempts; attempts++ {
				select {
				case <-ctx.Done():
					return
				default:
				}

				stopFn := globalBatchJobsMetrics.trace(batchJobMetricExpire, ri.JobID, attempts)
				// Copying toDel to select from objects whose
				// deletion failed
				copy(toDelCopy, toDel)
				var failed int

type BucketAlreadyExists GenericError

func (e BucketAlreadyExists) Error() string {
	return "The requested bucket name is not available. The bucket namespace is shared by all users of the system. Please select a different name and try again."
}

// BucketAlreadyOwnedByYou already owned by you.
type BucketAlreadyOwnedByYou GenericError

func (e BucketAlreadyOwnedByYou) Error() string {