示例#1
0
func encodeTableKey(b []byte, val parser.Datum) ([]byte, error) {
	if val == parser.DNull {
		return encoding.EncodeNull(b), nil
	}

	switch t := val.(type) {
	case parser.DBool:
		if t {
			return encoding.EncodeVarint(b, 1), nil
		}
		return encoding.EncodeVarint(b, 0), nil
	case parser.DInt:
		return encoding.EncodeVarint(b, int64(t)), nil
	case parser.DFloat:
		return encoding.EncodeFloat(b, float64(t)), nil
	case parser.DString:
		return encoding.EncodeString(b, string(t)), nil
	case parser.DBytes:
		return encoding.EncodeString(b, string(t)), nil
	case parser.DDate:
		return encoding.EncodeTime(b, t.Time), nil
	case parser.DTimestamp:
		return encoding.EncodeTime(b, t.Time), nil
	case parser.DInterval:
		return encoding.EncodeVarint(b, int64(t.Duration)), nil
	}
	return nil, fmt.Errorf("unable to encode table key: %T", val)
}
示例#2
0
func newInfo(val float64) info {
	now := time.Now()

	return info{
		Info: Info{
			Value: roachpb.Value{
				Bytes: encoding.EncodeFloat(nil, val),
				Timestamp: &roachpb.Timestamp{
					WallTime: now.UnixNano(),
				},
			},
			TTLStamp: now.Add(time.Millisecond).UnixNano(),
		},
	}
}
示例#3
0
func TestPrettyPrint(t *testing.T) {
	defer leaktest.AfterTest(t)

	tm, _ := time.Parse(time.UnixDate, "Sat Mar  7 11:06:39 UTC 2015")

	testCases := []struct {
		key roachpb.Key
		exp string
	}{
		// local
		{StoreIdentKey(), "/Local/Store/storeIdent"},
		{StoreGossipKey(), "/Local/Store/gossipBootstrap"},
		{SequenceCacheKeyPrefix(roachpb.RangeID(1000001), []byte("test0")), `/Local/RangeID/1000001/SequenceCache/"test0"`},
		{SequenceCacheKey(roachpb.RangeID(1000001), []byte("test0"), uint32(111), uint32(222)), `/Local/RangeID/1000001/SequenceCache/"test0"/epoch:111/seq:222`},
		{RaftLeaderLeaseKey(roachpb.RangeID(1000001)), "/Local/RangeID/1000001/RaftLeaderLease"},
		{RaftTombstoneKey(roachpb.RangeID(1000001)), "/Local/RangeID/1000001/RaftTombstone"},
		{RaftHardStateKey(roachpb.RangeID(1000001)), "/Local/RangeID/1000001/RaftHardState"},
		{RaftAppliedIndexKey(roachpb.RangeID(1000001)), "/Local/RangeID/1000001/RaftAppliedIndex"},
		{RaftLogKey(roachpb.RangeID(1000001), uint64(200001)), "/Local/RangeID/1000001/RaftLog/logIndex:200001"},
		{RaftTruncatedStateKey(roachpb.RangeID(1000001)), "/Local/RangeID/1000001/RaftTruncatedState"},
		{RaftLastIndexKey(roachpb.RangeID(1000001)), "/Local/RangeID/1000001/RaftLastIndex"},
		{RangeLastVerificationTimestampKey(roachpb.RangeID(1000001)), "/Local/RangeID/1000001/RangeLastVerificationTimestamp"},
		{RangeStatsKey(roachpb.RangeID(1000001)), "/Local/RangeID/1000001/RangeStats"},

		{MakeRangeKeyPrefix(roachpb.RKey("ok")), `/Local/Range/"ok"`},
		{RangeDescriptorKey(roachpb.RKey("111")), `/Local/Range/RangeDescriptor/"111"`},
		{RangeTreeNodeKey(roachpb.RKey("111")), `/Local/Range/RangeTreeNode/"111"`},
		{TransactionKey(roachpb.Key("111"), []byte("22222")), `/Local/Range/Transaction/addrKey:/"111"/id:"22222"`},

		{LocalMax, "/Local/Max"},

		// system
		{roachpb.MakeKey(Meta2Prefix, roachpb.Key("foo")), `/Meta2/"foo"`},
		{roachpb.MakeKey(Meta1Prefix, roachpb.Key("foo")), `/Meta1/"foo"`},

		{StoreStatusKey(2222), "/System/StatusStore/2222"},
		{NodeStatusKey(1111), "/System/StatusNode/1111"},

		{SystemMax, "/System/Max"},

		// table
		{UserTableDataMin, "/Table/50"},
		{MakeTablePrefix(111), "/Table/111"},
		{MakeKey(MakeTablePrefix(42), roachpb.RKey("foo")), `/Table/42/"foo"`},
		{MakeKey(MakeTablePrefix(42), roachpb.RKey(encoding.EncodeFloat(nil, float64(233.221112)))), "/Table/42/233.221112"},
		{MakeKey(MakeTablePrefix(42), roachpb.RKey(encoding.EncodeVarint(nil, 1222)), roachpb.RKey(encoding.EncodeString(nil, "handsome man"))), `/Table/42/1222/"handsome man"`},
		{MakeKey(MakeTablePrefix(42), roachpb.RKey(encoding.EncodeBytes(nil, []byte{1, 2, 8, 255}))), `/Table/42/"\x01\x02\b\xff"`},
		{MakeKey(MakeTablePrefix(42), roachpb.RKey(encoding.EncodeBytes(nil, []byte{1, 2, 8, 255})), roachpb.RKey("bar")), `/Table/42/"\x01\x02\b\xff"/"bar"`},
		{MakeKey(MakeTablePrefix(42), roachpb.RKey(encoding.EncodeNull(nil))), "/Table/42/NULL"},
		{MakeKey(MakeTablePrefix(42), roachpb.RKey(encoding.EncodeNotNull(nil))), "/Table/42/#"},
		{MakeKey(MakeTablePrefix(42), roachpb.RKey(encoding.EncodeTime(nil, tm))), "/Table/42/Sat Mar  7 11:06:39 UTC 2015"},

		// others
		{MakeKey([]byte("")), "/Min"},
		{MakeKey(MakeTablePrefix(42), roachpb.RKey([]byte{0x20, 'a', 0x00, 0x02})), "/Table/42/<util/encoding/encoding.go:407: unknown escape>"},
	}
	for i, test := range testCases {
		keyInfo := PrettyPrint(test.key)
		if test.exp != keyInfo {
			t.Fatalf("%d: expected %s, got %s", i, test.exp, keyInfo)
		}

		if test.exp != test.key.String() {
			t.Fatalf("%d: expected %s, got %s", i, test.exp, keyInfo)
		}
	}
}