// String formats transaction into human readable string.
func (t Transaction) String() string {
// Compute priority as a floating point number from 0-100 for readability.
floatPri := 100 * float64(t.Priority) / float64(math.MaxInt32)
if len(t.Name) > 0 {
return fmt.Sprintf("%q id=%s key=%s pri=%.8f iso=%s stat=%s epo=%d ts=%s orig=%s max=%s",
t.Name, uuid.UUID(t.ID).Short(), t.Key, floatPri, t.Isolation, t.Status, t.Epoch, t.Timestamp, t.OrigTimestamp, t.MaxTimestamp)
}
return fmt.Sprintf("id=%s key=%s pri=%.8f iso=%s stat=%s epo=%d ts=%s orig=%s max=%s",
uuid.UUID(t.ID).Short(), t.Key, floatPri, t.Isolation, t.Status, t.Epoch, t.Timestamp, t.OrigTimestamp, t.MaxTimestamp)
}
// TraceID implements tracer.Traceable. For a nontrivial Transaction, it
// returns 't', followed by the transaction ID. Otherwise, the empty string is
// returned.
func (t *Transaction) TraceID() string {
if t == nil || len(t.ID) == 0 {
return ""
}
s := uuid.UUID(t.ID).String()
return "t" + s
}
func TestUUIDString(t *testing.T) {
uuid := uuid.UUID([]byte("ת\x0f^\xe4-Fؽ\xf7\x16\xe4\xf9\xbe^\xbe"))
expStr := "d7aa0f5e-e42d-46d8-bdf7-16e4f9be5ebe"
if str := uuid.String(); str != expStr {
t.Errorf("expected txn %s; got %s", expStr, str)
}
}
// String formats transaction into human readable string.
func (t Transaction) String() string {
var buf bytes.Buffer
// Compute priority as a floating point number from 0-100 for readability.
floatPri := 100 * float64(t.Priority) / float64(math.MaxInt32)
if len(t.Name) > 0 {
fmt.Fprintf(&buf, "%q ", t.Name)
}
fmt.Fprintf(&buf, "id=%s key=%s rw=%t pri=%.8f iso=%s stat=%s epo=%d ts=%s orig=%s max=%s",
uuid.UUID(t.ID).Short(), t.Key, t.Writing, floatPri, t.Isolation, t.Status, t.Epoch, t.Timestamp, t.OrigTimestamp, t.MaxTimestamp)
return buf.String()
}
// Short returns the short form of the Transaction's UUID.
func (t Transaction) Short() string {
return uuid.UUID(t.ID).Short()
}
// Short returns the short form of the Transaction's UUID.
func (t *Transaction) Short() string {
return uuid.UUID(t.GetID()).Short()
}
func init() {
incR := roachpb.IncrementResponse{
NewValue: 1,
}
batchR.Add(&incR)
}
// createTestSequenceCache creates an in-memory engine and
// returns a sequence cache using the supplied Range ID.
func createTestSequenceCache(t *testing.T, rangeID roachpb.RangeID, stopper *stop.Stopper) (*SequenceCache, engine.Engine) {
return NewSequenceCache(rangeID), engine.NewInMem(roachpb.Attributes{}, 1<<20, stopper)
}
const testTxnEpoch = 5
var testTxnID = uuid.UUID([]byte("0ce61c17-5eb4-4587-8c36-dcf4062ada4c"))
var testTxnKey = []byte("a")
var testTxnTimestamp = roachpb.ZeroTimestamp.Add(123, 456)
var testEntry = roachpb.SequenceCacheEntry{Key: testTxnKey, Timestamp: testTxnTimestamp}
func TestSequenceCacheEncodeDecode(t *testing.T) {
defer leaktest.AfterTest(t)
const rangeID = 123
const expSeq = 987
key := keys.SequenceCacheKey(rangeID, testTxnID, testTxnEpoch, expSeq)
id, epoch, seq, err := decodeSequenceCacheKey(key, nil)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(id, testTxnID) {
t.Fatalf("expected id %q, got %q", testTxnID, id)