BeginAt      time.Time
	SQL          string
	RowsAffected int64
	Err          error
}

// New trace recorder
func (l *traceRecorder) New() *traceRecorder {
	return &traceRecorder{Interface: l.Interface, BeginAt: time.Now()}
}

// Trace implement logger interface
func (l *traceRecorder) Trace(ctx context.Context, begin time.Time, fc func() (string, int64), err error) {
	l.BeginAt = begin
	l.SQL, l.RowsAffected = fc()

	ReadFile(ctx context.Context, volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (n int64, err error)
	AppendFile(ctx context.Context, volume string, path string, buf []byte) (err error)
	CreateFile(ctx context.Context, origvolume, olume, path string, size int64, reader io.Reader) error
	ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error)

			RecID1 int64 `gorm:"column:recid1;type:decimal(9,0);not null" json:"recid1"`
			RecID2 int64 `gorm:"column:recid2;type:decimal(8);not null" json:"recid2"`
			RecID3 int64 `gorm:"column:recid3;type:decimal(8,1);not null" json:"recid3"`
		}
		type MigrateDecimalColumn2 struct {
			RecID1 int64 `gorm:"column:recid1;type:decimal(8);not null" json:"recid1"`

var _VersionType_index = [...]uint8{0, 18, 28, 38, 48, 63}

func (i VersionType) String() string {
	if i >= VersionType(len(_VersionType_index)-1) {
		return "VersionType(" + strconv.FormatInt(int64(i), 10) + ")"
	}
	return _VersionType_name[_VersionType_index[i]:_VersionType_index[i+1]]
}
func _() {
	// An "invalid array index" compiler error signifies that the constant values have changed.

	JobInfo                Job                    `gorm:"type:bytes;serializer:gob"`
	CreatedTime            int64                  `gorm:"serializer:unixtime;type:datetime"` // store time in db, use int as field type
	UpdatedTime            *int64                 `gorm:"serializer:unixtime;type:datetime"` // store time in db, use int as field type

	}
}

func intCast(v *Value) (int64, error) {
	// This conversion truncates floating point numbers to
	// integer.
	strToInt := func(s string) (int64, bool) {
		i, errI := strconv.ParseInt(s, 10, 64)
		if errI == nil {
			return i, true
		}
		f, errF := strconv.ParseFloat(s, 64)
		if errF == nil {
			return int64(f), true
		}
		return 0, false
	}

	QueueLength int

	// TotalMessages is the total number of messages sent in the lifetime of the target
	TotalMessages int64

	// FailedMessages should log message count that failed to send.
	FailedMessages int64

        serverPools := z.getServerPoolsAvailableSpace(ctx)
        total := serverPools.TotalAvailable()
        // choose when we reach this many
        choose := rand.Uint64() % total
        atTotal := uint64(0)
        for _, pool := range serverPools {
                atTotal += pool.Available
                if atTotal > choose && pool.Available > 0 {
                        return pool.Index

	if body != nil {
		switch v := body.(type) {
		case *bytes.Buffer:
			req.ContentLength = int64(v.Len())
			buf := v.Bytes()
			req.GetBody = func() (io.ReadCloser, error) {
				r := bytes.NewReader(buf)
				return io.NopCloser(r), nil
			}
		case *bytes.Reader:
			req.ContentLength = int64(v.Len())
			snapshot := *v
			req.GetBody = func() (io.ReadCloser, error) {
				r := snapshot

               tensorflow::uint64 send_device_incarnation);

// Return a RecvOp op `op_name` with the attributes `send_device`,
// `recv_device`, and `send_device_incarnation` set.
TFE_Op* RecvOp(TFE_Context* ctx, const std::string& op_name,
               const std::string& send_device, const std::string& recv_device,
               tensorflow::uint64 send_device_incarnation);