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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| //go:build vectors | ||
| // +build vectors | ||
|
|
||
| package bleve | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "log" | ||
| "math/rand" | ||
| "strconv" | ||
| "testing" | ||
|
|
||
| "github.com/blevesearch/bleve/v2/mapping" | ||
| "github.com/blevesearch/bleve/v2/search/query" | ||
| ) | ||
|
|
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| // Test to see if KNN Operators get added right to the query. | ||
| func TestKNNOperator(t *testing.T) { | ||
| tmpIndexPath := createTmpIndexPath(t) | ||
| defer cleanupTmpIndexPath(t, tmpIndexPath) | ||
|
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| dataset := make([]map[string]interface{}, 10) | ||
|
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| // Indexing just a few docs to populate index. | ||
| for i := 0; i < 10; i++ { | ||
| docVec := []float32{} | ||
| for i := 0; i < 5; i++ { | ||
| docVec = append(docVec, rand.Float32()) | ||
| } | ||
| dataset = append(dataset, map[string]interface{}{ | ||
| "type": "vectorStuff", | ||
| "content": strconv.Itoa(i), | ||
| "vector": docVec, | ||
| }) | ||
| } | ||
|
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| indexMapping := NewIndexMapping() | ||
| indexMapping.TypeField = "type" | ||
| indexMapping.DefaultAnalyzer = "en" | ||
| documentMapping := NewDocumentMapping() | ||
| indexMapping.AddDocumentMapping("vectorStuff", documentMapping) | ||
|
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| contentFieldMapping := NewTextFieldMapping() | ||
| contentFieldMapping.Index = true | ||
| contentFieldMapping.Store = true | ||
| documentMapping.AddFieldMappingsAt("content", contentFieldMapping) | ||
|
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||
| vecFieldMapping := mapping.NewVectorFieldMapping() | ||
| vecFieldMapping.Index = true | ||
| vecFieldMapping.Dims = 5 | ||
| vecFieldMapping.Similarity = "dot_product" | ||
| documentMapping.AddFieldMappingsAt("vector", vecFieldMapping) | ||
|
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| index, err := New(tmpIndexPath, indexMapping) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| defer func() { | ||
| err := index.Close() | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| }() | ||
|
|
||
| batch := index.NewBatch() | ||
| for i := 0; i < len(dataset); i++ { | ||
| batch.Index(strconv.Itoa(i), dataset[i]) | ||
| } | ||
|
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| err = index.Batch(batch) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
|
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| termQuery := query.NewTermQuery("world") | ||
|
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| searchRequest := NewSearchRequest(termQuery) | ||
| queryVec2 := getQueryVec("hilly region worldwide") | ||
| searchRequest.AddKNN("vector", queryVec2, 3, 2.0) | ||
| searchRequest.AddKNN("vector", queryVec2, 2, 1.5) | ||
| searchRequest.Fields = []string{"content", "vector"} | ||
|
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||
| // Conjunction | ||
| searchRequest.AddKNNOperator(knnOperatorAnd) | ||
| conjunction, err := queryWithKNN(searchRequest) | ||
| if err != nil { | ||
| log.Fatal(fmt.Errorf("unexpected error for AND knn operator")) | ||
| } | ||
|
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||
| conj, ok := conjunction.(*query.ConjunctionQuery) | ||
| if !ok { | ||
| log.Fatal(fmt.Errorf("expected conjunction query")) | ||
| } | ||
|
|
||
| if len(conj.Conjuncts) == 3 { | ||
| _, ok := conj.Conjuncts[0].(*query.TermQuery) | ||
| if !ok { | ||
| log.Fatal(fmt.Errorf("expected first query to be a term query,"+ | ||
| " but it's %T", conj.Conjuncts[0])) | ||
| } | ||
| } else { | ||
| log.Fatal(fmt.Errorf("expected 3 conjuncts")) | ||
| } | ||
|
|
||
| // Disjunction | ||
| searchRequest.AddKNNOperator(knnOperatorOr) | ||
| disjunction, err := queryWithKNN(searchRequest) | ||
| if err != nil { | ||
| log.Fatal(fmt.Errorf("unexpected error for OR knn operator")) | ||
| } | ||
|
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| disj, ok := disjunction.(*query.DisjunctionQuery) | ||
| if !ok { | ||
| log.Fatal(fmt.Errorf("expected disjunction query")) | ||
| } | ||
|
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| if len(disj.Disjuncts) == 3 { | ||
| _, ok := disj.Disjuncts[0].(*query.TermQuery) | ||
| if !ok { | ||
| log.Fatal(fmt.Errorf("expected first query to be a term query,"+ | ||
| " but it's %T", conj.Conjuncts[0])) | ||
| } | ||
| } else { | ||
| log.Fatal(fmt.Errorf("expected 3 disjuncts")) | ||
| } | ||
|
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||
| // Incorrect operator. | ||
| searchRequest.AddKNNOperator("bs_op") | ||
| searchRequest.Query, err = queryWithKNN(searchRequest) | ||
| if err == nil { | ||
| log.Fatal(fmt.Errorf("expected error for incorrect knn operator")) | ||
| } | ||
| } |
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