本文整理匯總了Golang中github.com/influxdata/influxdb/tsdb/engine/tsm1.NewTSMWriter函數的典型用法代碼示例。如果您正苦於以下問題:Golang NewTSMWriter函數的具體用法?Golang NewTSMWriter怎麽用?Golang NewTSMWriter使用的例子?那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。
在下文中一共展示了NewTSMWriter函數的15個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: TestTSMReader_Type
func TestTSMReader_Type(t *testing.T) {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := []tsm1.Value{tsm1.NewValue(time.Unix(0, 0), int64(1))}
if err := w.Write("cpu", values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
r, err := tsm1.NewTSMReader(bytes.NewReader(b.Bytes()))
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
typ, err := r.Type("cpu")
if err != nil {
fatal(t, "reading type", err)
}
if got, exp := typ, tsm1.BlockInteger; got != exp {
t.Fatalf("type mismatch: got %v, exp %v", got, exp)
}
}
示例2: TestTSMWriter_Write_Multiple
func TestTSMWriter_Write_Multiple(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
var data = []struct {
key string
values []tsm1.Value
}{
{"cpu", []tsm1.Value{tsm1.NewValue(0, 1.0)}},
{"mem", []tsm1.Value{tsm1.NewValue(1, 2.0)}},
}
for _, d := range data {
if err := w.Write(d.key, d.values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
fd, err := os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(fd)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
for _, d := range data {
readValues, err := r.ReadAll(d.key)
if err != nil {
t.Fatalf("unexpected error readin: %v", err)
}
if exp := len(d.values); exp != len(readValues) {
t.Fatalf("read values length mismatch: got %v, exp %v", len(readValues), exp)
}
for i, v := range d.values {
if v.Value() != readValues[i].Value() {
t.Fatalf("read value mismatch(%d): got %v, exp %d", i, readValues[i].Value(), v.Value())
}
}
}
}
示例3: MustTSMWriter
func MustTSMWriter(dir string, gen int) (tsm1.TSMWriter, string) {
f := MustTempFile(dir)
oldName := f.Name()
// Windows can't rename a file while it's open. Close first, rename and
// then re-open
if err := f.Close(); err != nil {
panic(fmt.Sprintf("close temp file: %v", err))
}
newName := filepath.Join(filepath.Dir(oldName), tsmFileName(gen))
if err := os.Rename(oldName, newName); err != nil {
panic(fmt.Sprintf("create tsm file: %v", err))
}
var err error
f, err = os.OpenFile(newName, os.O_RDWR, 0666)
if err != nil {
panic(fmt.Sprintf("open tsm files: %v", err))
}
w, err := tsm1.NewTSMWriter(f)
if err != nil {
panic(fmt.Sprintf("create TSM writer: %v", err))
}
return w, newName
}
示例4: TestTSMWriter_WriteBlock_Empty
func TestTSMWriter_WriteBlock_Empty(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
if err := w.WriteBlock("cpu", 0, 0, nil); err != nil {
t.Fatalf("unexpected error writing block: %v", err)
}
if err := w.WriteIndex(); err != tsm1.ErrNoValues {
t.Fatalf("unexpected error closing: %v", err)
}
fd, err := os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
defer fd.Close()
b, err := ioutil.ReadAll(fd)
if err != nil {
t.Fatalf("unexpected error read all: %v", err)
}
if got, exp := len(b), 0; got < exp {
t.Fatalf("file size mismatch: got %v, exp %v", got, exp)
}
}
示例5: newFiles
func newFiles(values ...keyValues) ([]tsm1.TSMFile, error) {
var files []tsm1.TSMFile
for _, v := range values {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
return nil, err
}
if err := w.Write(v.key, v.values); err != nil {
return nil, err
}
if err := w.WriteIndex(); err != nil {
return nil, err
}
if err := w.Close(); err != nil {
return nil, err
}
r, err := tsm1.NewTSMReader(bytes.NewReader(b.Bytes()))
if err != nil {
return nil, err
}
files = append(files, r)
}
return files, nil
}
示例6: TestIndirectIndex_UnmarshalBinary_BlockCountOverflow
func TestIndirectIndex_UnmarshalBinary_BlockCountOverflow(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
for i := 0; i < 3280; i++ {
w.Write("cpu", []tsm1.Value{tsm1.NewValue(int64(i), float64(i))})
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
}
示例7: newFileDir
func newFileDir(dir string, values ...keyValues) ([]string, error) {
var files []string
id := 1
for _, v := range values {
f := MustTempFile(dir)
w, err := tsm1.NewTSMWriter(f)
if err != nil {
return nil, err
}
if err := w.Write(v.key, v.values); err != nil {
return nil, err
}
if err := w.WriteIndex(); err != nil {
return nil, err
}
if err := w.Close(); err != nil {
return nil, err
}
newName := filepath.Join(filepath.Dir(f.Name()), tsmFileName(id))
if err := os.Rename(f.Name(), newName); err != nil {
return nil, err
}
id++
files = append(files, newName)
}
return files, nil
}
示例8: TestTSMReader_MMAP_Tombstone
func TestTSMReader_MMAP_Tombstone(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := []tsm1.Value{tsm1.NewValue(time.Unix(0, 0), 1.0)}
if err := w.Write("cpu", values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.Write("mem", values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReaderWithOptions(
tsm1.TSMReaderOptions{
MMAPFile: f,
})
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
if err := r.Delete([]string{"mem"}); err != nil {
t.Fatalf("unexpected error deleting: %v", err)
}
r, err = tsm1.NewTSMReaderWithOptions(
tsm1.TSMReaderOptions{
MMAPFile: f,
})
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
if got, exp := len(r.Keys()), 1; got != exp {
t.Fatalf("key length mismatch: got %v, exp %v", got, exp)
}
}
示例9: TestTSMReader_MMAP_TombstoneMultipleRanges
func TestTSMReader_MMAP_TombstoneMultipleRanges(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
expValues := []tsm1.Value{
tsm1.NewValue(1, 1.0),
tsm1.NewValue(2, 2.0),
tsm1.NewValue(3, 3.0),
tsm1.NewValue(4, 4.0),
tsm1.NewValue(5, 5.0),
}
if err := w.Write("cpu", expValues); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
if err := r.DeleteRange([]string{"cpu"}, 2, 2); err != nil {
t.Fatalf("unexpected error deleting: %v", err)
}
if err := r.DeleteRange([]string{"cpu"}, 4, 4); err != nil {
t.Fatalf("unexpected error deleting: %v", err)
}
values, err := r.ReadAll("cpu")
if err != nil {
t.Fatalf("unexpected error reading all: %v", err)
}
if got, exp := len(values), 3; got != exp {
t.Fatalf("values length mismatch: got %v, exp %v", got, exp)
}
}
示例10: TestTSMWriter_Write_SameKey
// Tests that writing keys in reverse is able to read them back.
func TestTSMWriter_Write_SameKey(t *testing.T) {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
var data = []struct {
key string
values []tsm1.Value
}{
{"cpu", []tsm1.Value{
tsm1.NewValue(0, 1.0),
tsm1.NewValue(1, 2.0)},
},
{"cpu", []tsm1.Value{
tsm1.NewValue(2, 3.0),
tsm1.NewValue(3, 4.0)},
},
}
for _, d := range data {
if err := w.Write(d.key, d.values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
r, err := tsm1.NewTSMReader(bytes.NewReader(b.Bytes()))
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
values := append(data[0].values, data[1].values...)
readValues, err := r.ReadAll("cpu")
if err != nil {
t.Fatalf("unexpected error readin: %v", err)
}
if exp := len(values); exp != len(readValues) {
t.Fatalf("read values length mismatch: got %v, exp %v", len(readValues), exp)
}
for i, v := range values {
if v.Value() != readValues[i].Value() {
t.Fatalf("read value mismatch(%d): got %v, exp %d", i, readValues[i].Value(), v.Value())
}
}
}
示例11: TestBlockIterator_Single
func TestBlockIterator_Single(t *testing.T) {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := []tsm1.Value{tsm1.NewValue(time.Unix(0, 0), int64(1))}
if err := w.Write("cpu", values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
r, err := tsm1.NewTSMReader(bytes.NewReader(b.Bytes()))
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
var count int
iter := r.BlockIterator()
for iter.Next() {
key, minTime, maxTime, buf, err := iter.Read()
if err != nil {
t.Fatalf("unexpected error creating iterator: %v", err)
}
if got, exp := key, "cpu"; got != exp {
t.Fatalf("key mismatch: got %v, exp %v", got, exp)
}
if got, exp := minTime, time.Unix(0, 0); got != exp {
t.Fatalf("min time mismatch: got %v, exp %v", got, exp)
}
if got, exp := maxTime, time.Unix(0, 0); got != exp {
t.Fatalf("max time mismatch: got %v, exp %v", got, exp)
}
if len(buf) == 0 {
t.Fatalf("buf length = 0")
}
count++
}
if got, exp := count, len(values); got != exp {
t.Fatalf("value count mismatch: got %v, exp %v", got, exp)
}
}
示例12: TestTSMWriter_Write_Empty
func TestTSMWriter_Write_Empty(t *testing.T) {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
t.Fatalf("unexpected error created writer: %v", err)
}
if err := w.WriteIndex(); err != tsm1.ErrNoValues {
t.Fatalf("unexpected error closing: %v", err)
}
if got, exp := len(b.Bytes()), 0; got < exp {
t.Fatalf("file size mismatch: got %v, exp %v", got, exp)
}
}
示例13: TestTSMWriter_Write_Single
func TestTSMWriter_Write_Single(t *testing.T) {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := []tsm1.Value{tsm1.NewValue(0, 1.0)}
if err := w.Write("cpu", values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
if got, exp := len(b.Bytes()), 5; got < exp {
t.Fatalf("file size mismatch: got %v, exp %v", got, exp)
}
if got := binary.BigEndian.Uint32(b.Bytes()[0:4]); got != tsm1.MagicNumber {
t.Fatalf("magic number mismatch: got %v, exp %v", got, tsm1.MagicNumber)
}
r, err := tsm1.NewTSMReader(bytes.NewReader(b.Bytes()))
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
readValues, err := r.ReadAll("cpu")
if err != nil {
t.Fatalf("unexpected error readin: %v", err)
}
if len(readValues) != len(values) {
t.Fatalf("read values length mismatch: got %v, exp %v", len(readValues), len(values))
}
for i, v := range values {
if v.Value() != readValues[i].Value() {
t.Fatalf("read value mismatch(%d): got %v, exp %d", i, readValues[i].Value(), v.Value())
}
}
}
示例14: TestCompacted_NotFull
func TestCompacted_NotFull(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := []tsm1.Value{tsm1.NewValue(0, 1.0)}
if err := w.Write("cpu", values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
fd, err := os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(fd)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
iter := r.BlockIterator()
if !iter.Next() {
t.Fatalf("expected next, got false")
}
_, _, _, _, block, err := iter.Read()
if err != nil {
t.Fatalf("unexpected error reading block: %v", err)
}
if got, exp := tsm1.BlockCount(block), 1; got != exp {
t.Fatalf("block count mismatch: got %v, exp %v", got, exp)
}
}
示例15: nextTSMWriter
// nextTSMWriter returns the next TSMWriter for the Converter.
func (c *Converter) nextTSMWriter() (tsm1.TSMWriter, error) {
c.sequence++
fileName := filepath.Join(c.path, fmt.Sprintf("%09d-%09d.%s", 1, c.sequence, tsm1.TSMFileExtension))
fd, err := os.OpenFile(fileName, os.O_CREATE|os.O_RDWR, 0666)
if err != nil {
return nil, err
}
// Create the writer for the new TSM file.
w, err := tsm1.NewTSMWriter(fd)
if err != nil {
return nil, err
}
c.tracker.IncrTSMFileCount()
return w, nil
}