• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    迪恩网络公众号
登陆 注册
描述文字

Golang tsm1.NewValue函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Golang中github.com/skia-dev/influxdb/tsdb/engine/tsm1.NewValue函数的典型用法代码示例。如果您正苦于以下问题：Golang NewValue函数的具体用法？Golang NewValue怎么用？Golang NewValue使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了NewValue函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: TestFileStore_Read

func TestFileStore_Read(t *testing.T) {
	fs := tsm1.NewFileStore("")

	// Setup 3 files
	data := []keyValues{
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(0, 1.0)}},
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(1, 2.0)}},
		keyValues{"mem", []tsm1.Value{tsm1.NewValue(0, 1.0)}},
	}

	files, err := newFiles(data...)
	if err != nil {
		t.Fatalf("unexpected error creating files: %v", err)
	}

	fs.Add(files...)

	// Search for an entry that exists in the second file
	values, err := fs.Read("cpu", 1)
	if err != nil {
		t.Fatalf("unexpected error reading values: %v", err)
	}

	exp := data[1]
	if got, exp := len(values), len(exp.values); got != exp {
		t.Fatalf("value length mismatch: got %v, exp %v", got, exp)
	}

	for i, v := range exp.values {
		if got, exp := values[i].Value(), v.Value(); got != exp {
			t.Fatalf("read value mismatch(%d): got %v, exp %d", i, got, exp)
		}
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:34，代码来源:file_store_test.go


示例2: TestFileStore_Stats

func TestFileStore_Stats(t *testing.T) {
	dir := MustTempDir()
	defer os.RemoveAll(dir)

	// Create 3 TSM files...
	data := []keyValues{
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(0, 1.0)}},
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(1, 2.0)}},
		keyValues{"mem", []tsm1.Value{tsm1.NewValue(0, 1.0)}},
	}

	_, err := newFileDir(dir, data...)
	if err != nil {
		fatal(t, "creating test files", err)
	}

	fs := tsm1.NewFileStore(dir)
	if err := fs.Open(); err != nil {
		fatal(t, "opening file store", err)
	}
	defer fs.Close()

	stats := fs.Stats()
	if got, exp := len(stats), 3; got != exp {
		t.Fatalf("file count mismatch: got %v, exp %v", got, exp)
	}

}
开发者ID:skia-dev，项目名称:influxdb，代码行数:28，代码来源:file_store_test.go


示例3: TestFileStore_Delete

func TestFileStore_Delete(t *testing.T) {
	fs := tsm1.NewFileStore("")

	// Setup 3 files
	data := []keyValues{
		keyValues{"cpu,host=server2!~#!value", []tsm1.Value{tsm1.NewValue(0, 1.0)}},
		keyValues{"cpu,host=server1!~#!value", []tsm1.Value{tsm1.NewValue(1, 2.0)}},
		keyValues{"mem,host=server1!~#!value", []tsm1.Value{tsm1.NewValue(0, 1.0)}},
	}

	files, err := newFiles(data...)
	if err != nil {
		t.Fatalf("unexpected error creating files: %v", err)
	}

	fs.Add(files...)

	keys := fs.Keys()
	if got, exp := len(keys), 3; got != exp {
		t.Fatalf("key length mismatch: got %v, exp %v", got, exp)
	}

	if err := fs.Delete([]string{"cpu,host=server2!~#!value"}); err != nil {
		fatal(t, "deleting", err)
	}

	keys = fs.Keys()
	if got, exp := len(keys), 2; got != exp {
		t.Fatalf("key length mismatch: got %v, exp %v", got, exp)
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:31，代码来源:file_store_test.go


示例4: TestFileStore_SeekToDesc_End

func TestFileStore_SeekToDesc_End(t *testing.T) {
	fs := tsm1.NewFileStore("")

	// Setup 3 files
	data := []keyValues{
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(0, 1.0)}},
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(1, 2.0)}},
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(2, 3.0)}},
	}

	files, err := newFiles(data...)
	if err != nil {
		t.Fatalf("unexpected error creating files: %v", err)
	}

	fs.Add(files...)

	buf := make(tsm1.FloatValues, 1000)
	c := fs.KeyCursor("cpu", 2, false)
	values, err := c.ReadFloatBlock(buf)
	if err != nil {
		t.Fatalf("unexpected error reading values: %v", err)
	}

	exp := data[2]
	if got, exp := len(values), len(exp.values); got != exp {
		t.Fatalf("value length mismatch: got %v, exp %v", got, exp)
	}

	for i, v := range exp.values {
		if got, exp := values[i].Value(), v.Value(); got != exp {
			t.Fatalf("read value mismatch(%d): got %v, exp %d", i, got, exp)
		}
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:35，代码来源:file_store_test.go


示例5: 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())
		}
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:58，代码来源:writer_test.go


示例6: TestTSMKeyIterator_Duplicate

// Tests that duplicate point values are merged.  There is only one case
// where this could happen and that is when a compaction completed and we replace
// the old TSM file with a new one and we crash just before deleting the old file.
// No data is lost but the same point time/value would exist in two files until
// compaction corrects it.
func TestTSMKeyIterator_Duplicate(t *testing.T) {
	dir := MustTempDir()
	defer os.RemoveAll(dir)

	v1 := tsm1.NewValue(1, int64(1))
	v2 := tsm1.NewValue(1, int64(2))

	writes1 := map[string][]tsm1.Value{
		"cpu,host=A#!~#value": []tsm1.Value{v1},
	}

	r1 := MustTSMReader(dir, 1, writes1)

	writes2 := map[string][]tsm1.Value{
		"cpu,host=A#!~#value": []tsm1.Value{v2},
	}

	r2 := MustTSMReader(dir, 2, writes2)

	iter, err := tsm1.NewTSMKeyIterator(1, false, r1, r2)
	if err != nil {
		t.Fatalf("unexpected error creating WALKeyIterator: %v", err)
	}

	var readValues bool
	for iter.Next() {
		key, _, _, block, err := iter.Read()
		if err != nil {
			t.Fatalf("unexpected error read: %v", err)
		}

		values, err := tsm1.DecodeBlock(block, nil)
		if err != nil {
			t.Fatalf("unexpected error decode: %v", err)
		}

		if got, exp := key, "cpu,host=A#!~#value"; got != exp {
			t.Fatalf("key mismatch: got %v, exp %v", got, exp)
		}

		if got, exp := len(values), 1; got != exp {
			t.Fatalf("values length mismatch: got %v, exp %v", got, exp)
		}

		readValues = true
		assertValueEqual(t, values[0], v2)
	}

	if !readValues {
		t.Fatalf("failed to read any values")
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:57，代码来源:compact_test.go


示例7: TestFileStore_SeekToAsc_Duplicate

func TestFileStore_SeekToAsc_Duplicate(t *testing.T) {
	fs := tsm1.NewFileStore("")

	// Setup 3 files
	data := []keyValues{
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(0, 1.0)}},
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(0, 2.0)}},
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(2, 3.0)}},
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(2, 4.0)}},
	}

	files, err := newFiles(data...)
	if err != nil {
		t.Fatalf("unexpected error creating files: %v", err)
	}

	fs.Add(files...)

	buf := make(tsm1.FloatValues, 1000)
	c := fs.KeyCursor("cpu", 0, true)
	// Search for an entry that exists in the second file
	values, err := c.ReadFloatBlock(buf)
	if err != nil {
		t.Fatalf("unexpected error reading values: %v", err)
	}

	exp := []tsm1.Value{
		data[1].values[0],
		data[3].values[0],
	}
	if got, exp := len(values), len(exp); got != exp {
		t.Fatalf("value length mismatch: got %v, exp %v", got, exp)
	}

	for i, v := range exp {
		if got, exp := values[i].Value(), v.Value(); got != exp {
			t.Fatalf("read value mismatch(%d): got %v, exp %v", i, got, exp)
		}
	}

	// Check that calling Next will dedupe points
	c.Next()
	values, err = c.ReadFloatBlock(buf)
	if err != nil {
		t.Fatalf("unexpected error reading values: %v", err)
	}

	exp = nil
	if got, exp := len(values), len(exp); got != exp {
		t.Fatalf("value length mismatch: got %v, exp %v", got, exp)
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:52，代码来源:file_store_test.go


示例8: TestTSMKeyIterator_Chunked

// Tests that a single TSM file can be read and iterated over
func TestTSMKeyIterator_Chunked(t *testing.T) {
	t.Skip("fixme")
	dir := MustTempDir()
	defer os.RemoveAll(dir)

	v0 := tsm1.NewValue(1, 1.1)
	v1 := tsm1.NewValue(2, 2.1)
	writes := map[string][]tsm1.Value{
		"cpu,host=A#!~#value": []tsm1.Value{v0, v1},
	}

	r := MustTSMReader(dir, 1, writes)

	iter, err := tsm1.NewTSMKeyIterator(1, false, r)
	if err != nil {
		t.Fatalf("unexpected error creating WALKeyIterator: %v", err)
	}

	var readValues bool
	var chunk int
	for iter.Next() {
		key, _, _, block, err := iter.Read()
		if err != nil {
			t.Fatalf("unexpected error read: %v", err)
		}

		values, err := tsm1.DecodeBlock(block, nil)
		if err != nil {
			t.Fatalf("unexpected error decode: %v", err)
		}

		if got, exp := key, "cpu,host=A#!~#value"; got != exp {
			t.Fatalf("key mismatch: got %v, exp %v", got, exp)
		}

		if got, exp := len(values), len(writes); got != exp {
			t.Fatalf("values length mismatch: got %v, exp %v", got, exp)
		}

		for _, v := range values {
			readValues = true
			assertValueEqual(t, v, writes["cpu,host=A#!~#value"][chunk])
		}
		chunk++
	}

	if !readValues {
		t.Fatalf("failed to read any values")
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:51，代码来源:compact_test.go


示例9: TestCacheKeyIterator_Chunked

func TestCacheKeyIterator_Chunked(t *testing.T) {
	v0 := tsm1.NewValue(1, 1.0)
	v1 := tsm1.NewValue(2, 2.0)

	writes := map[string][]tsm1.Value{
		"cpu,host=A#!~#value": []tsm1.Value{v0, v1},
	}

	c := tsm1.NewCache(0, "")

	for k, v := range writes {
		if err := c.Write(k, v); err != nil {
			t.Fatalf("failed to write key foo to cache: %s", err.Error())
		}
	}

	iter := tsm1.NewCacheKeyIterator(c, 1)
	var readValues bool
	var chunk int
	for iter.Next() {
		key, _, _, block, err := iter.Read()
		if err != nil {
			t.Fatalf("unexpected error read: %v", err)
		}

		values, err := tsm1.DecodeBlock(block, nil)
		if err != nil {
			t.Fatalf("unexpected error decode: %v", err)
		}

		if got, exp := key, "cpu,host=A#!~#value"; got != exp {
			t.Fatalf("key mismatch: got %v, exp %v", got, exp)
		}

		if got, exp := len(values), 1; got != exp {
			t.Fatalf("values length mismatch: got %v, exp %v", got, exp)
		}

		for _, v := range values {
			readValues = true
			assertValueEqual(t, v, writes["cpu,host=A#!~#value"][chunk])
		}
		chunk++
	}

	if !readValues {
		t.Fatalf("failed to read any values")
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:49，代码来源:compact_test.go


示例10: TestEncoding_Count

func TestEncoding_Count(t *testing.T) {
	tests := []struct {
		value     interface{}
		blockType byte
	}{
		{value: float64(1.0), blockType: tsm1.BlockFloat64},
		{value: int64(1), blockType: tsm1.BlockInteger},
		{value: true, blockType: tsm1.BlockBoolean},
		{value: "string", blockType: tsm1.BlockString},
	}

	for _, test := range tests {
		var values []tsm1.Value
		values = append(values, tsm1.NewValue(0, test.value))

		b, err := tsm1.Values(values).Encode(nil)
		if err != nil {
			t.Fatalf("unexpected error: %v", err)
		}

		if got, exp := tsm1.BlockCount(b), 1; got != exp {
			t.Fatalf("block count mismatch: got %v, exp %v", got, exp)
		}
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:25，代码来源:encoding_test.go


示例11: TestEncoding_BooleanBlock_Basic

func TestEncoding_BooleanBlock_Basic(t *testing.T) {
	valueCount := 1000
	times := getTimes(valueCount, 60, time.Second)
	values := make([]tsm1.Value, len(times))
	for i, t := range times {
		v := true
		if i%2 == 0 {
			v = false
		}
		values[i] = tsm1.NewValue(t, v)
	}

	b, err := tsm1.Values(values).Encode(nil)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	var decodedValues []tsm1.Value
	decodedValues, err = tsm1.DecodeBlock(b, decodedValues)
	if err != nil {
		t.Fatalf("unexpected error decoding block: %v", err)
	}

	if !reflect.DeepEqual(decodedValues, values) {
		t.Fatalf("unexpected results:\n\tgot: %v\n\texp: %v\n", decodedValues, values)
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:27，代码来源:encoding_test.go


示例12: TestEncoding_IntBlock_Basic

func TestEncoding_IntBlock_Basic(t *testing.T) {
	valueCount := 1000
	times := getTimes(valueCount, 60, time.Second)
	values := make([]tsm1.Value, len(times))
	for i, t := range times {
		values[i] = tsm1.NewValue(t, int64(i))
	}

	b, err := tsm1.Values(values).Encode(nil)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	var decodedValues []tsm1.Value
	decodedValues, err = tsm1.DecodeBlock(b, decodedValues)
	if err != nil {
		t.Fatalf("unexpected error decoding block: %v", err)
	}

	if len(decodedValues) != len(values) {
		t.Fatalf("unexpected results length:\n\tgot: %v\n\texp: %v\n", len(decodedValues), len(values))
	}

	for i := 0; i < len(decodedValues); i++ {
		if decodedValues[i].UnixNano() != values[i].UnixNano() {
			t.Fatalf("unexpected results:\n\tgot: %v\n\texp: %v\n", decodedValues[i].UnixNano(), values[i].UnixNano())
		}

		if decodedValues[i].Value() != values[i].Value() {
			t.Fatalf("unexpected results:\n\tgot: %v\n\texp: %v\n", decodedValues[i].Value(), values[i].Value())
		}
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:33，代码来源:encoding_test.go


示例13: TestFileStore_Open_Deleted

func TestFileStore_Open_Deleted(t *testing.T) {
	dir := MustTempDir()
	defer os.RemoveAll(dir)

	// Create 3 TSM files...
	data := []keyValues{
		keyValues{"cpu,host=server2!~#!value", []tsm1.Value{tsm1.NewValue(0, 1.0)}},
		keyValues{"cpu,host=server1!~#!value", []tsm1.Value{tsm1.NewValue(1, 2.0)}},
		keyValues{"mem,host=server1!~#!value", []tsm1.Value{tsm1.NewValue(0, 1.0)}},
	}

	_, err := newFileDir(dir, data...)
	if err != nil {
		fatal(t, "creating test files", err)
	}

	fs := tsm1.NewFileStore(dir)
	if err := fs.Open(); err != nil {
		fatal(t, "opening file store", err)
	}
	defer fs.Close()

	if got, exp := len(fs.Keys()), 3; got != exp {
		t.Fatalf("file count mismatch: got %v, exp %v", got, exp)
	}

	if err := fs.Delete([]string{"cpu,host=server2!~#!value"}); err != nil {
		fatal(t, "deleting", err)
	}

	fs2 := tsm1.NewFileStore(dir)
	if err := fs2.Open(); err != nil {
		fatal(t, "opening file store", err)
	}
	defer fs2.Close()

	if got, exp := len(fs2.Keys()), 2; got != exp {
		t.Fatalf("file count mismatch: got %v, exp %v", got, exp)
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:40，代码来源:file_store_test.go


示例14: TestFileStore_Remove

func TestFileStore_Remove(t *testing.T) {
	dir := MustTempDir()
	defer os.RemoveAll(dir)

	// Create 3 TSM files...
	data := []keyValues{
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(0, 1.0)}},
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(1, 2.0)}},
		keyValues{"mem", []tsm1.Value{tsm1.NewValue(0, 1.0)}},
	}

	files, err := newFileDir(dir, data...)
	if err != nil {
		fatal(t, "creating test files", err)
	}

	fs := tsm1.NewFileStore(dir)
	if err := fs.Open(); err != nil {
		fatal(t, "opening file store", err)
	}
	defer fs.Close()

	if got, exp := fs.Count(), 3; got != exp {
		t.Fatalf("file count mismatch: got %v, exp %v", got, exp)
	}

	if got, exp := fs.CurrentGeneration(), 4; got != exp {
		t.Fatalf("current ID mismatch: got %v, exp %v", got, exp)
	}

	fs.Remove(files[2])

	if got, exp := fs.Count(), 2; got != exp {
		t.Fatalf("file count mismatch: got %v, exp %v", got, exp)
	}

	if got, exp := fs.CurrentGeneration(), 4; got != exp {
		t.Fatalf("current ID mismatch: got %v, exp %v", got, exp)
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:40，代码来源:file_store_test.go


示例15: BenchmarkValues_Deduplicate

func BenchmarkValues_Deduplicate(b *testing.B) {
	valueCount := 1000
	times := getTimes(valueCount, 60, time.Second)
	values := make([]tsm1.Value, len(times))
	for i, t := range times {
		values[i] = tsm1.NewValue(t, fmt.Sprintf("value %d", i))
	}
	values = append(values, values...)

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		tsm1.Values(values).Deduplicate()
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:14，代码来源:encoding_test.go


示例16: TestEncoding_FloatBlock_SimilarFloats

func TestEncoding_FloatBlock_SimilarFloats(t *testing.T) {
	values := make([]tsm1.Value, 5)
	values[0] = tsm1.NewValue(1444238178437870000, 6.00065e+06)
	values[1] = tsm1.NewValue(1444238185286830000, 6.000656e+06)
	values[2] = tsm1.NewValue(1444238188441501000, 6.000657e+06)
	values[3] = tsm1.NewValue(1444238195286811000, 6.000659e+06)
	values[4] = tsm1.NewValue(1444238198439917000, 6.000661e+06)

	b, err := tsm1.Values(values).Encode(nil)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	var decodedValues []tsm1.Value
	decodedValues, err = tsm1.DecodeBlock(b, decodedValues)
	if err != nil {
		t.Fatalf("unexpected error decoding block: %v", err)
	}

	if !reflect.DeepEqual(decodedValues, values) {
		t.Fatalf("unexpected results:\n\tgot: %v\n\texp: %v\n", decodedValues, values)
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:23，代码来源:encoding_test.go


示例17: TestFileStore_SeekToAsc_Middle

func TestFileStore_SeekToAsc_Middle(t *testing.T) {
	fs := tsm1.NewFileStore("")

	// Setup 3 files
	data := []keyValues{
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(1, 1.0),
			tsm1.NewValue(2, 2.0),
			tsm1.NewValue(3, 3.0)}},
		keyValues{"cpu", []tsm1.Value{tsm1.NewValue(4, 4.0)}},
	}

	files, err := newFiles(data...)
	if err != nil {
		t.Fatalf("unexpected error creating files: %v", err)
	}

	fs.Add(files...)

	// Search for an entry that exists in the second file
	buf := make(tsm1.FloatValues, 1000)
	c := fs.KeyCursor("cpu", 3, true)
	values, err := c.ReadFloatBlock(buf)
	if err != nil {
		t.Fatalf("unexpected error reading values: %v", err)
	}

	exp := data[0]
	if got, exp := len(values), len(exp.values); got != exp {
		t.Fatalf("value length mismatch: got %v, exp %v", got, exp)
	}

	for i, v := range exp.values {
		if got, exp := values[i].Value(), v.Value(); got != exp {
			t.Fatalf("read value mismatch(%d): got %v, exp %d", i, got, exp)
		}
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:37，代码来源:file_store_test.go


示例18: Next

// Next returns whether any data remains to be read. It must be called before
// the next call to Read().
func (r *Reader) Next() bool {
	r.valuePos = 0
OUTER:
	for {
		if r.currCursor >= len(r.cursors) {
			// All cursors drained. No more data remains.
			return false
		}

		cc := r.cursors[r.currCursor]
		r.keyBuf = tsm1.SeriesFieldKey(cc.series, cc.field)

		for {
			k, v := cc.Next()
			if k == -1 {
				// Go to next cursor and try again.
				r.currCursor++
				if r.valuePos == 0 {
					// The previous cursor had no data. Instead of returning
					// just go immediately to the next cursor.
					continue OUTER
				}
				// There is some data available. Indicate that it should be read.
				return true
			}

			if f, ok := v.(float64); ok {
				if math.IsInf(f, 0) {
					r.stats.AddPointsRead(1)
					r.stats.IncrInf()
					continue
				}

				if math.IsNaN(f) {
					r.stats.AddPointsRead(1)
					r.stats.IncrNaN()
					continue
				}
			}

			r.values[r.valuePos] = tsm1.NewValue(k, v)
			r.valuePos++

			if r.valuePos >= len(r.values) {
				return true
			}
		}
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:51，代码来源:reader.go


示例19: TestCacheRace

func TestCacheRace(t *testing.T) {
	values := make(tsm1.Values, 1000)
	timestamps := make([]int64, len(values))
	series := make([]string, 100)
	for i := range timestamps {
		timestamps[i] = int64(rand.Int63n(int64(len(values))))
	}

	for i := range values {
		values[i] = tsm1.NewValue(timestamps[i*len(timestamps)/len(values)], float64(i))
	}

	for i := range series {
		series[i] = fmt.Sprintf("series%d", i)
	}

	wg := sync.WaitGroup{}
	c := tsm1.NewCache(1000000, "")

	ch := make(chan struct{})
	for _, s := range series {
		for _, v := range values {
			c.Write(s, tsm1.Values{v})
		}
		wg.Add(1)
		go func(s string) {
			defer wg.Done()
			<-ch
			c.Values(s)
		}(s)
	}
	wg.Add(1)
	go func() {
		wg.Done()
		<-ch
		s, err := c.Snapshot()
		if err == tsm1.ErrSnapshotInProgress {
			return
		}

		if err != nil {
			t.Fatalf("failed to snapshot cache: %v", err)
		}
		s.Deduplicate()
		c.ClearSnapshot(true)
	}()
	close(ch)
	wg.Wait()
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:49，代码来源:cache_race_test.go


示例20: 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())
		}
	}
}
开发者ID:skia-dev，项目名称:influxdb，代码行数:47，代码来源:writer_test.go



注：本文中的github.com/skia-dev/influxdb/tsdb/engine/tsm1.NewValue函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

鲜花
握手
雷人
路过
鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
More+
上一篇：
Golang plot.Plot类代码示例发布时间：2022-05-28
下一篇：
Golang deep.Equal函数代码示例发布时间：2022-05-28
热门推荐
More+
热门话题
More+
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服（服务时间 9:00～18:00）

在线QQ客服
地址：深圳市南山区西丽大学城创智工业园
电邮：jeky_zhao#qq.com
移动电话：139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap