t.Errorf("should return record not found error, but got %v", err)
	}

	DB.Delete(&namedUser)

	var result8 NamedUser
	if err := DB.Where("name1 = @name OR name2 = @name", map[string]interface{}{"name": "jinzhu-new"}).First(&result8).Error; err == nil || !errors.Is(err, gorm.ErrRecordNotFound) {

	}

	if err := scanner.Err(); err != nil {
		return nil, err
	}

	return result, nil
}

func getDiskUUIDMap() (map[string]string, error) {
	result := make(map[string]string)
	err := filepath.Walk("/dev/disk/by-uuid/",
		func(path string, info os.FileInfo, err error) error {
			if err != nil {
				return err
			}
			realPath, err := filepath.EvalSymlinks(path)
			if err != nil {
				return err
			}

			nil,
		},
		{
			"AB:4",
			StorageClass{
				Parity: 4,
			},
			errors.New("Unsupported scheme AB. Supported scheme is EC"),
		},
		{
			"EC:4:5",
			StorageClass{
				Parity: 4,
			},
			errors.New("Too many sections in EC:4:5"),
		},
		{
			"EC:A",
			StorageClass{
				Parity: 4,
			},
			errors.New(`strconv.Atoi: parsing "A": invalid syntax`),
		},
		{
			"AB",
			StorageClass{

	return er.setDriveCount - er.defaultParityCount
}

func diskErrToDriveState(err error) (state string) {
	switch {
	case errors.Is(err, errDiskNotFound) || errors.Is(err, context.DeadlineExceeded):
		state = madmin.DriveStateOffline
	case errors.Is(err, errCorruptedFormat) || errors.Is(err, errCorruptedBackend):
		state = madmin.DriveStateCorrupt
	case errors.Is(err, errUnformattedDisk):
		state = madmin.DriveStateUnformatted

		}
	}
	return stmt, err
}

func validateTableName(from *TableExpression) error {
	if !strings.EqualFold(from.Table.BaseKey.String(), baseTableName) {
		return errBadTableName(errors.New("table name must be `s3object`"))
	}

	if len(from.Table.PathExpr) > 0 {
		if !from.Table.PathExpr[0].ArrayWildcard {
			return errBadTableName(errors.New("keypath table name is invalid - please check the service documentation"))
		}
	}

	if err != nil {
		result.Error = err.Error()
		return result
	}
	rp := cli.GetEndpointURL()
	reqURL := &url.URL{
		Scheme: rp.Scheme,
		Host:   rp.Host,
		Path:   reqPath,
	}
	result.Endpoint = rp.String()
	req, err := http.NewRequestWithContext(ctx, http.MethodPost, reqURL.String(), reader)
	if err != nil {
		result.Error = err.Error()
		return result
	}
	client := &http.Client{

        assertTrue(errorHandler.shouldFallbackToTcp(hardwareError), "Hardware errors should suggest TCP fallback");
        assertFalse(errorHandler.shouldFallbackToTcp(timeoutError), "Timeout errors should not immediately suggest TCP fallback");

        // Test error classification using public API
        assertNotNull(errorHandler, "Error handler should handle network errors");

        // Test fallback logic which is public

	timedout := OperationTimedOut{}
	if err != nil && !errors.Is(err, context.DeadlineExceeded) && !errors.As(err, &timedout) {
		if len(dui.BucketsUsage) > 0 {
			internalLogOnceIf(GlobalContext, fmt.Errorf("unable to retrieve usage information for bucket: %s, relying on older value cached in-memory: err(%v)", bucket, err), "bucket-usage-cache-"+bucket)
		} else {

package grid

import (
	"context"
	"errors"
)

// A Stream is a two-way stream.
// All responses *must* be read by the caller.
// If the call is canceled through the context,
// the appropriate error will be returned.
type Stream struct {
	// responses from the remote server.
	// Channel will be closed after error or when remote closes.

// It will however take less resources.
func (m *muxClient) RequestStream(h HandlerID, payload []byte, requests chan []byte, responses chan Response) (*Stream, error) {
	if m.init {
		return nil, errors.New("mux client already used")
	}
	if responses == nil {
		return nil, errors.New("RequestStream: responses channel is nil")
	}
	m.init = true
	m.respMu.Lock()
	if m.closed {
		m.respMu.Unlock()
		return nil, ErrDisconnected