Golang index.NewBatch函數代碼示例

func CommonBenchmarkIndexBatch(b *testing.B, create KVStoreCreate, destroy KVStoreDestroy, analysisWorkers, batchSize int) {

	cache := registry.NewCache()
	analyzer, err := cache.AnalyzerNamed("standard")
	if err != nil {
		b.Fatal(err)
	}

	b.ResetTimer()
	b.StopTimer()
	for i := 0; i < b.N; i++ {

		s, err := create()
		if err != nil {
			b.Fatal(err)
		}
		analysisQueue := index.NewAnalysisQueue(analysisWorkers)
		idx := NewUpsideDownCouch(s, analysisQueue)

		err = idx.Open()
		if err != nil {
			b.Fatal(err)
		}

		b.StartTimer()
		batch := index.NewBatch()
		for j := 0; j < 1000; j++ {
			if j%batchSize == 0 {
				if len(batch.IndexOps) > 0 {
					err := idx.Batch(batch)
					if err != nil {
						b.Fatal(err)
					}
				}
				batch = index.NewBatch()
			}
			indexDocument := document.NewDocument("").
				AddField(document.NewTextFieldWithAnalyzer("body", []uint64{}, []byte(benchmarkDocBodies[j%10]), analyzer))
			indexDocument.ID = strconv.Itoa(i) + "-" + strconv.Itoa(j)
			batch.Update(indexDocument)
		}
		// close last batch
		if len(batch.IndexOps) > 0 {
			err := idx.Batch(batch)
			if err != nil {
				b.Fatal(err)
			}
		}
		b.StopTimer()
		err = idx.Close()
		if err != nil {
			b.Fatal(err)
		}
		err = destroy()
		if err != nil {
			b.Fatal(err)
		}
		analysisQueue.Close()
	}
}

func BenchmarkBatch(b *testing.B) {

	cache := registry.NewCache()
	analyzer, err := cache.AnalyzerNamed(standard_analyzer.Name)
	if err != nil {
		b.Fatal(err)
	}

	analysisQueue := index.NewAnalysisQueue(1)
	idx, err := NewUpsideDownCouch(null.Name, nil, analysisQueue)
	if err != nil {
		b.Fatal(err)
	}
	err = idx.Open()
	if err != nil {
		b.Fatal(err)
	}

	batch := index.NewBatch()
	for i := 0; i < 100; i++ {
		d := document.NewDocument(strconv.Itoa(i))
		f := document.NewTextFieldWithAnalyzer("desc", nil, bleveWikiArticle1K, analyzer)
		d.AddField(f)
		batch.Update(d)
	}

	b.ResetTimer()

	for i := 0; i < b.N; i++ {
		err = idx.Batch(batch)
		if err != nil {
			b.Fatal(err)
		}
	}
}

func TestIndexMetadataRaceBug198(t *testing.T) {
	defer func() {
		err := os.RemoveAll("testidx")
		if err != nil {
			t.Fatal(err)
		}
	}()

	index, err := New("testidx", NewIndexMapping())
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		err := index.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	done := make(chan struct{})
	go func() {
		for {
			select {
			case <-done:
				return
			default:
				_, err := index.DocCount()
				if err != nil {
					t.Fatal(err)
				}
			}
		}
	}()

	for i := 0; i < 100; i++ {
		batch := index.NewBatch()
		err = batch.Index("a", []byte("{}"))
		if err != nil {
			t.Fatal(err)
		}
		err = index.Batch(batch)
		if err != nil {
			t.Fatal(err)
		}
	}
	close(done)
}

func TestBatchString(t *testing.T) {
	defer func() {
		err := os.RemoveAll("testidx")
		if err != nil {
			t.Fatal(err)
		}
	}()

	index, err := New("testidx", NewIndexMapping())
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		err := index.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	batch := index.NewBatch()
	err = batch.Index("a", []byte("{}"))
	if err != nil {
		t.Fatal(err)
	}
	batch.Delete("b")
	batch.SetInternal([]byte("c"), []byte{})
	batch.DeleteInternal([]byte("d"))

	batchStr := batch.String()
	if !strings.HasPrefix(batchStr, "Batch (2 ops, 2 internal ops)") {
		t.Errorf("expected to start with Batch (2 ops, 2 internal ops), did not")
	}
	if !strings.Contains(batchStr, "INDEX - 'a'") {
		t.Errorf("expected to contain INDEX - 'a', did not")
	}
	if !strings.Contains(batchStr, "DELETE - 'b'") {
		t.Errorf("expected to contain DELETE - 'b', did not")
	}
	if !strings.Contains(batchStr, "SET INTERNAL - 'c'") {
		t.Errorf("expected to contain SET INTERNAL - 'c', did not")
	}
	if !strings.Contains(batchStr, "DELETE INTERNAL - 'd'") {
		t.Errorf("expected to contain DELETE INTERNAL - 'd', did not")
	}

}

func TestClosedIndex(t *testing.T) {
	index, err := New("", NewIndexMapping())
	if err != nil {
		t.Fatal(err)
	}
	err = index.Close()
	if err != nil {
		t.Fatal(err)
	}

	err = index.Index("test", "test")
	if err != ErrorIndexClosed {
		t.Errorf("expected error index closed, got %v", err)
	}

	err = index.Delete("test")
	if err != ErrorIndexClosed {
		t.Errorf("expected error index closed, got %v", err)
	}

	b := index.NewBatch()
	err = index.Batch(b)
	if err != ErrorIndexClosed {
		t.Errorf("expected error index closed, got %v", err)
	}

	_, err = index.Document("test")
	if err != ErrorIndexClosed {
		t.Errorf("expected error index closed, got %v", err)
	}

	_, err = index.DocCount()
	if err != ErrorIndexClosed {
		t.Errorf("expected error index closed, got %v", err)
	}

	_, err = index.Search(NewSearchRequest(NewTermQuery("test")))
	if err != ErrorIndexClosed {
		t.Errorf("expected error index closed, got %v", err)
	}

	_, err = index.Fields()
	if err != ErrorIndexClosed {
		t.Errorf("expected error index closed, got %v", err)
	}
}

func TestIndexEmptyDocId(t *testing.T) {
	defer func() {
		err := os.RemoveAll("testidx")
		if err != nil {
			t.Fatal(err)
		}
	}()

	index, err := New("testidx", NewIndexMapping())
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		err := index.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	doc := map[string]interface{}{
		"body": "nodocid",
	}

	err = index.Index("", doc)
	if err != ErrorEmptyID {
		t.Errorf("expect index empty doc id to fail")
	}

	err = index.Delete("")
	if err != ErrorEmptyID {
		t.Errorf("expect delete empty doc id to fail")
	}

	batch := index.NewBatch()
	err = batch.Index("", doc)
	if err != ErrorEmptyID {
		t.Errorf("expect index empty doc id in batch to fail")
	}

	batch.Delete("")
	if batch.Size() > 0 {
		t.Errorf("expect delete empty doc id in batch to be ignored")
	}
}

func TestBatchReset(t *testing.T) {
	defer func() {
		err := os.RemoveAll("testidx")
		if err != nil {
			t.Fatal(err)
		}
	}()

	index, err := New("testidx", NewIndexMapping())
	if err != nil {
		t.Fatal(err)
	}

	batch := index.NewBatch()
	err = batch.Index("k1", struct {
		Body string
	}{
		Body: "v1",
	})
	if err != nil {
		t.Error(err)
	}
	batch.Delete("k2")
	batch.SetInternal([]byte("k3"), []byte("v3"))
	batch.DeleteInternal([]byte("k4"))

	if batch.Size() != 4 {
		t.Logf("%v", batch)
		t.Errorf("expected batch size 4, got %d", batch.Size())
	}

	batch.Reset()

	if batch.Size() != 0 {
		t.Errorf("expected batch size 0 after reset, got %d", batch.Size())
	}

	err = index.Close()
	if err != nil {
		t.Fatal(err)
	}
}

// NewBatch creates a new empty batch.
func (i *indexImpl) NewBatch() *Batch {
	return &Batch{
		index:    i,
		internal: index.NewBatch(),
	}
}

func TestIndexBatch(t *testing.T) {
	defer func() {
		err := DestroyTest()
		if err != nil {
			t.Fatal(err)
		}
	}()

	analysisQueue := index.NewAnalysisQueue(1)
	idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
	if err != nil {
		t.Fatal(err)
	}
	err = idx.Open()
	if err != nil {
		t.Errorf("error opening index: %v", err)
	}
	defer func() {
		err := idx.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	var expectedCount uint64

	// first create 2 docs the old fashioned way
	doc := document.NewDocument("1")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	doc = document.NewDocument("2")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test2")))
	err = idx.Update(doc)
	if err != nil {
		t.Errorf("Error updating index: %v", err)
	}
	expectedCount++

	// now create a batch which does 3 things
	// insert new doc
	// update existing doc
	// delete existing doc
	// net document count change 0

	batch := index.NewBatch()
	doc = document.NewDocument("3")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test3")))
	batch.Update(doc)
	doc = document.NewDocument("2")
	doc.AddField(document.NewTextField("name", []uint64{}, []byte("test2updated")))
	batch.Update(doc)
	batch.Delete("1")

	err = idx.Batch(batch)
	if err != nil {
		t.Error(err)
	}

	indexReader, err := idx.Reader()
	if err != nil {
		t.Error(err)
	}
	defer func() {
		err := indexReader.Close()
		if err != nil {
			t.Fatal(err)
		}
	}()

	docCount := indexReader.DocCount()
	if docCount != expectedCount {
		t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
	}

	docIDReader, err := indexReader.DocIDReader("", "")
	if err != nil {
		t.Error(err)
	}
	docIds := make([]string, 0)
	docID, err := docIDReader.Next()
	for docID != "" && err == nil {
		docIds = append(docIds, docID)
		docID, err = docIDReader.Next()
	}
	if err != nil {
		t.Error(err)
	}
	expectedDocIds := []string{"2", "3"}
	if !reflect.DeepEqual(docIds, expectedDocIds) {
		t.Errorf("expected ids: %v, got ids: %v", expectedDocIds, docIds)
	}
}

func TestIndexCountMatchSearch(t *testing.T) {
	defer func() {
		err := os.RemoveAll("testidx")
		if err != nil {
			t.Fatal(err)
		}
	}()

	index, err := New("testidx", NewIndexMapping())
	if err != nil {
		t.Fatal(err)
	}

	var wg sync.WaitGroup
	for i := 0; i < 10; i++ {
		wg.Add(1)
		go func(i int) {
			b := index.NewBatch()
			for j := 0; j < 200; j++ {
				id := fmt.Sprintf("%d", (i*200)+j)
				doc := struct {
					Body string
				}{
					Body: "match",
				}
				err := b.Index(id, doc)
				if err != nil {
					t.Fatal(err)
				}
			}
			err := index.Batch(b)
			if err != nil {
				t.Fatal(err)
			}
			wg.Done()
		}(i)
	}
	wg.Wait()

	// search for something that should match all documents
	sr, err := index.Search(NewSearchRequest(NewMatchQuery("match")))
	if err != nil {
		t.Fatal(err)
	}

	// get the index document count
	dc, err := index.DocCount()
	if err != nil {
		t.Fatal(err)
	}

	// make sure test is working correctly, doc count should 2000
	if dc != 2000 {
		t.Errorf("expected doc count 2000, got %d", dc)
	}

	// make sure our search found all the documents
	if dc != sr.Total {
		t.Errorf("expected search result total %d to match doc count %d", sr.Total, dc)
	}

	err = index.Close()
	if err != nil {
		t.Fatal(err)
	}
}

func TestCrud(t *testing.T) {
	defer func() {
		err := os.RemoveAll("testidx")
		if err != nil {
			t.Fatal(err)
		}
	}()

	index, err := New("testidx", NewIndexMapping())
	if err != nil {
		t.Fatal(err)
	}

	doca := map[string]interface{}{
		"name": "marty",
		"desc": "gophercon india",
	}
	err = index.Index("a", doca)
	if err != nil {
		t.Error(err)
	}

	docy := map[string]interface{}{
		"name": "jasper",
		"desc": "clojure",
	}
	err = index.Index("y", docy)
	if err != nil {
		t.Error(err)
	}

	err = index.Delete("y")
	if err != nil {
		t.Error(err)
	}

	docx := map[string]interface{}{
		"name": "rose",
		"desc": "googler",
	}
	err = index.Index("x", docx)
	if err != nil {
		t.Error(err)
	}

	err = index.SetInternal([]byte("status"), []byte("pending"))
	if err != nil {
		t.Error(err)
	}

	docb := map[string]interface{}{
		"name": "steve",
		"desc": "cbft master",
	}
	batch := index.NewBatch()
	err = batch.Index("b", docb)
	if err != nil {
		t.Error(err)
	}
	batch.Delete("x")
	batch.SetInternal([]byte("batchi"), []byte("batchv"))
	batch.DeleteInternal([]byte("status"))
	err = index.Batch(batch)
	if err != nil {
		t.Error(err)
	}
	val, err := index.GetInternal([]byte("batchi"))
	if err != nil {
		t.Error(err)
	}
	if string(val) != "batchv" {
		t.Errorf("expected 'batchv', got '%s'", val)
	}
	val, err = index.GetInternal([]byte("status"))
	if err != nil {
		t.Error(err)
	}
	if val != nil {
		t.Errorf("expected nil, got '%s'", val)
	}

	err = index.SetInternal([]byte("seqno"), []byte("7"))
	if err != nil {
		t.Error(err)
	}
	err = index.SetInternal([]byte("status"), []byte("ready"))
	if err != nil {
		t.Error(err)
	}
	err = index.DeleteInternal([]byte("status"))
	if err != nil {
		t.Error(err)
	}
	val, err = index.GetInternal([]byte("status"))
	if err != nil {
		t.Error(err)
	}
	if val != nil {
		t.Errorf("expected nil, got '%s'", val)
	}
//.........這裏部分代碼省略.........