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Como realizar semantic search nos dados do cluster do Atlas

Este tutorial descreve como executar uma pesquisa deANN em um vetor no plot_embedding_voyage_3_large campo na sample_mflix.embedded_movies coleção no seu cluster. Para demonstrar isso, ele conduz você pelas seguintes etapas:

  1. Crie um índice do MongoDB Vector Search no campo numérico chamado plot_embedding_voyage_3_large na coleção sample_mflix.embedded_movies.

  2. Execute queries do MongoDB Vector Search no campo plot_embedding_voyage_3_large na coleção sample_mflix.embedded_movies.


➤ Use o menu suspenso Selecione seu idioma para selecionar o cliente a ser usado para criar o índice do MongoDB Vector Search e executar consultas.


Trabalhe com uma versão executável deste tutorial como um bloco de anotações Python.

Antes de começar, conclua os pré-requisitos comuns. Este tutorial inclui exemplos para os seguintes clientes:

Esta seção demonstra como criar um índice do MongoDB Vector Search no campo plot_embedding_voyage_3_large no collection sample_mflix.embedded_movies para executar queries vetoriais no campo.

Para criar um índice do MongoDB Vector Search, você deve ter Project Data Access Admin ou superior ao projeto.

1

AVISO: Melhorias de navegação em andamento No momento, estamos implementando uma experiência de navegação nova e aprimorada. Se as etapas a seguir não corresponderem à sua visualização na IU do Atlas, consulte a documentação de visualização.

  1. Se ainda não tiver sido exibido, selecione a organização que contém seu projeto no menu Organizations na barra de navegação.

  2. Se ainda não estiver exibido, selecione o projeto desejado no menu Projects na barra de navegação.

  3. Se ainda não estiver exibido, clique em Clusters na barra lateral.

    A página Clusters é exibida.

2

Você pode acessar a página de pesquisa do MongoDB na barra lateral, o Data Explorer ou a página de detalhes do cluster.

  1. Na barra lateral, clique em Atlas Search sob o título Services.

    Se você não tiver clusters, clique em Create cluster para criar um. Para saber mais, consulte Criar um cluster.

  2. Se o seu projeto tiver vários clusters, selecione o cluster que deseja usar no menu suspenso Select cluster e clique em Go to Atlas Search.

    A página Atlas Search é exibida.

  1. Clique no botão Browse Collections para o seu cluster.

  2. Expanda o banco de dados e selecione a coleção.

  3. Clique na guia Search Indexes da coleção.

    A página Atlas Search é exibida.

  1. Clique no nome do seu cluster.

  2. Clique na aba Atlas Search.

    A página Atlas Search é exibida.

3
4

Faça as seguintes seleções na página e clique em Next.

Search Type

Selecione o tipo de índice Vector Search.

Index Name and Data Source

Especifique as seguintes informações:

  • Index Name: vector_index

  • Database and Collection:

    • sample_mflix database

    • embedded_movies collection

Configuration Method

For a guided experience, select Visual Editor.

To edit the raw index definition, select JSON Editor.

IMPORTANTE:

Seu índice do MongoDB Search é denominado default por padrão. Se você manter esse nome, seu índice será o índice de pesquisa padrão para qualquer consulta do MongoDB Search que não especifique uma opção index diferente em seus operadores. Se você estiver criando vários índices, recomendamos que mantenha uma convenção de nomenclatura descritiva consistente em seus índices.

5

Nesta etapa, você define um índice do tipo vectorSearch para os seguintes campos:

  • plot_embedding_voyage_3_large campo como o tipo vetor. O campo plot_embedding_voyage_3_large contém incorporações criadas utilizando o modelo de incorporação voyage-3-large da Voyage AI. A definição de índice especifica 2048 dimensões vetoriais e mede a similaridade usando dotProduct.

  • genres campo como o tipo de filtro para pré-filtrar dados por valores de cadeia de caracteres no campo.

  • year campo como o tipo de filtro para pré-filtrar dados por valores numéricos no campo.

O Atlas detecta automaticamente campos que contêm incorporações vetoriais, assim como suas dimensões correspondentes. Para a coleção sample_mflix.embedded_movies, os campos plot_embedding e plot_embedding_voyage_3_large são exibidos. Para este tutorial, você precisa indexar apenas o campo plot_embedding_voyage_3_large.

Para configurar o índice, faça o seguinte:

  1. Selecione Dot Product no menu suspenso Similarity Method.

  2. Clique em Advanced, depois selecione a quantização Scalar no menu suspenso.

  3. Na seção Filter Field, especifique os campos genres e year para filtrar os dados.

Substitua a definição padrão pela seguinte definição de índice.

1{
2 "fields": [
3 {
4 "type": "vector",
5 "path": "plot_embedding_voyage_3_large",
6 "numDimensions": 2048,
7 "similarity": "dotProduct",
8 "quantization": "scalar"
9 },
10 {
11 "type": "filter",
12 "path": "genres"
13 },
14 {
15 "type": "filter",
16 "path": "year"
17 }
18 ]
19}
6
7

O Atlas exibe uma janela modal para que você saiba que seu índice está crescendo.

8
9

O índice recém-criado é exibido na aba Atlas Search. Enquanto o índice está construindo, o campo StatusBuild in Progress. Quando o índice terminar de construir, o campo StatusActive.

Observação

Collections maiores demoram mais tempo para indexar. Você receberá uma notificação por e-mail quando seu índice terminar a criação.

1

Abra o mongosh em uma janela do terminal e conecte-se ao seu cluster. Para obter instruções detalhadas sobre como conectar, consulte Conectar via mongosh.

2

Exemplo

use sample_mflix
switched to db sample_mflix
3

A definição de índice a seguir indexa o campo plot_embedding_voyage_3_large como o tipo vector e os campos genres e year como o tipo filter.

O campo plot_embedding_voyage_3_large contém incorporações de 2048 dimensões vetoriais criadas usando o modelo de incorporação voyage-3-large da Voyage AI. O índice mede a similaridade usando a função dotProduct.

1db.embedded_movies.createSearchIndex(
2 "vector_index",
3 "vectorSearch",
4 {
5 "fields": [
6 {
7 "type": "vector",
8 "path": "plot_embedding_voyage_3_large",
9 "numDimensions": 2048,
10 "similarity": "dotProduct"
11 },
12 {
13 "type": "filter",
14 "path": "genres"
15 },
16 {
17 "type": "filter",
18 "path": "year"
19 }
20 ]
21 }
22);
1

Adicione o Driver C# do MongoDB como dependência no seu projeto:

dotnet add package MongoDB.Driver
2

Crie um arquivo denominado IndexService.cs e copie e cole o seguinte código no arquivo.

Essa definição de índice indexa o campo plot_embedding_voyage_3_large como o tipo vector e os campos genres e year como o tipo filter em um índice do MongoDB Vector Search . O campo plot_embedding_voyage_3_large contém incorporações criadas usando o modelo de incorporação voyage-3-large da Voyage AI. A definição de índice especifica 2048 dimensões vetoriais e mede a similaridade usando a função dotProduct.

IndexService.cs
1namespace query_quick_start;
2
3using MongoDB.Bson;
4using MongoDB.Driver;
5using System;
6using System.Threading;
7
8public class IndexService
9{
10 // Replace the placeholder with your Atlas connection string
11 private const string MongoConnectionString = "<connection-string>";
12 public void CreateVectorIndex()
13 {
14 try
15 {
16 // Connect to your Atlas cluster
17 var client = new MongoClient(MongoConnectionString);
18 var database = client.GetDatabase("sample_mflix");
19 var collection = database.GetCollection<BsonDocument>("embedded_movies");
20
21 var searchIndexView = collection.SearchIndexes;
22 var name = "vector_index";
23 var type = SearchIndexType.VectorSearch;
24
25 var definition = new BsonDocument
26 {
27 { "fields", new BsonArray
28 {
29 new BsonDocument
30 {
31 { "type", "vector" },
32 { "path", "plot_embedding_voyage_3_large" },
33 { "numDimensions", 2048 },
34 { "similarity", "dotProduct" },
35 { "quantization", "scalar"}
36 },
37 new BsonDocument
38 {
39 {"type", "filter"},
40 {"path", "genres"}
41 },
42 new BsonDocument
43 {
44 {"type", "filter"},
45 {"path", "year"}
46 }
47 }
48 }
49 };
50
51 var model = new CreateSearchIndexModel(name, type, definition);
52
53 searchIndexView.CreateOne(model);
54 Console.WriteLine($"New search index named {name} is building.");
55
56 // Polling for index status
57 Console.WriteLine("Polling to check if the index is ready. This may take up to a minute.");
58 bool queryable = false;
59 while (!queryable)
60 {
61 var indexes = searchIndexView.List();
62 foreach (var index in indexes.ToEnumerable())
63 {
64 if (index["name"] == name)
65 {
66 queryable = index["queryable"].AsBoolean;
67 }
68 }
69 if (!queryable)
70 {
71 Thread.Sleep(5000);
72 }
73 }
74 Console.WriteLine($"{name} is ready for querying.");
75 }
76 catch (Exception e)
77 {
78 Console.WriteLine($"Exception: {e.Message}");
79 }
80 }
81}
3

Substitua <connection-string> pela string de conexão do seu cluster do Atlas ou da implantação local do Atlas.

Sua string de conexão deve usar o seguinte formato:

mongodb+srv://<db_username>:<db_password>@<clusterName>.<hostname>.mongodb.net

Para saber mais, consulte Conectar a um cluster via drivers.

Sua string de conexão deve usar o seguinte formato:

mongodb://localhost:<port-number>/?directConnection=true

Para saber mais, consulte Connection strings.

4

Atualize Program.cs para inicializar o IndexService e chame o método para criar o índice.

Program.cs
using query_quick_start;
var indexService = new IndexService();
indexService.CreateVectorIndex();
5

Salve o arquivo e, em seguida, compile e execute seu projeto para criar o índice.

dotnet run query_quick_start.csproj
New search index named vector_index is building.
Polling to check if the index is ready. This may take up to a minute.
vector_index is ready for querying.
1

Adicione o Driver Go como dependência no seu projeto:

go get go.mongodb.org/mongo-driver/v2/mongo
2

Crie um arquivo denominado vector-index.go e copie e cole o seguinte código no arquivo.

Essa definição de índice indexa o campo plot_embedding_voyage_3_large como o tipo vector e os campos genres e year como o tipo filter em um índice do MongoDB Vector Search . O campo plot_embedding_voyage_3_large contém incorporações criadas usando o modelo de incorporação voyage-3-large da Voyage AI. A definição de índice especifica 2048 dimensões vetoriais e mede a similaridade usando a função dotProduct.

vector-index.go
1package main
2
3import (
4 "context"
5 "fmt"
6 "log"
7 "time"
8
9 "go.mongodb.org/mongo-driver/v2/bson"
10 "go.mongodb.org/mongo-driver/v2/mongo"
11 "go.mongodb.org/mongo-driver/v2/mongo/options"
12)
13
14func main() {
15 ctx := context.Background()
16
17 // Replace the placeholder with your Atlas connection string
18 const uri = "<connectionString>"
19
20 // Connect to your Atlas cluster
21 clientOptions := options.Client().ApplyURI(uri)
22 client, err := mongo.Connect(clientOptions)
23 if err != nil {
24 log.Fatalf("failed to connect to the server: %v", err)
25 }
26 defer func() { _ = client.Disconnect(ctx) }()
27
28 // Set the namespace
29 coll := client.Database("sample_mflix").Collection("embedded_movies")
30 indexName := "vector_index"
31 opts := options.SearchIndexes().SetName(indexName).SetType("vectorSearch")
32
33 type vectorDefinitionField struct {
34 Type string `bson:"type"`
35 Path string `bson:"path"`
36 NumDimensions int `bson:"numDimensions"`
37 Similarity string `bson:"similarity"`
38 Quantization string `bson:"quantization"`
39 }
40
41 type filterField struct {
42 Type string `bson:"type"`
43 Path string `bson:"path"`
44 }
45
46 type indexDefinition struct {
47 Fields []vectorDefinitionField `bson:"fields"`
48 }
49
50 vectorDefinition := vectorDefinitionField{
51 Type: "vector",
52 Path: "plot_embedding_voyage_3_large",
53 NumDimensions: 2048,
54 Similarity: "dotProduct",
55 Quantization: "scalar"}
56 genreFilterDefinition := filterField{"filter", "genres"}
57 yearFilterDefinition := filterField{"filter", "year"}
58
59 indexModel := mongo.SearchIndexModel{
60 Definition: bson.D{{Key: "fields", Value: [3]interface{}{
61 vectorDefinition,
62 genreFilterDefinition,
63 yearFilterDefinition}}},
64 Options: opts,
65 }
66
67 // Create the index
68 searchIndexName, err := coll.SearchIndexes().CreateOne(ctx, indexModel)
69 if err != nil {
70 log.Fatalf("failed to create the search index: %v", err)
71 }
72 log.Println("New search index named " + searchIndexName + " is building.")
73
74 // Await the creation of the index.
75 log.Println("Polling to check if the index is ready. This may take up to a minute.")
76 searchIndexes := coll.SearchIndexes()
77 var doc bson.Raw
78 for doc == nil {
79 cursor, err := searchIndexes.List(ctx, options.SearchIndexes().SetName(searchIndexName))
80 if err != nil {
81 fmt.Errorf("failed to list search indexes: %w", err)
82 }
83
84 if !cursor.Next(ctx) {
85 break
86 }
87
88 name := cursor.Current.Lookup("name").StringValue()
89 queryable := cursor.Current.Lookup("queryable").Boolean()
90 if name == searchIndexName && queryable {
91 doc = cursor.Current
92 } else {
93 time.Sleep(5 * time.Second)
94 }
95 }
96
97 log.Println(searchIndexName + " is ready for querying.")
98}
3

Substitua <connection-string> pela string de conexão do seu cluster do Atlas ou da implantação local do Atlas.

Sua string de conexão deve usar o seguinte formato:

mongodb+srv://<db_username>:<db_password>@<clusterName>.<hostname>.mongodb.net

Para saber mais, consulte Conectar a um cluster via drivers.

Sua string de conexão deve usar o seguinte formato:

mongodb://localhost:<port-number>/?directConnection=true

Para saber mais, consulte Connection strings.

4
go run vector-index.go
2024/10/17 09:38:21 Creating the index.
2024/10/17 09:38:22 Polling to confirm successful index creation.
2024/10/17 09:38:22 NOTE: This may take up to a minute.
2024/10/17 09:38:48 Name of Index Created: vector_index
1
  1. Adicione a versão do driver Java 5.2 ou superior como uma dependência no seu projeto, dependendo do seu gerenciador de pacotes:

    Se você estiver utilizando o Maven, adicione as seguintes dependências à array dependencies no arquivo pom.xml do seu projeto:

    pom.xml
    <dependencies>
    <!-- MongoDB Java Sync Driver v5.2.0 or later -->
    <dependency>
    <groupId>org.mongodb</groupId>
    <artifactId>mongodb-driver-sync</artifactId>
    <version>[5.2.0,)</version>
    </dependency>
    </dependencies>
  2. Execute seu gerenciador de pacote para instalar as dependências em seu projeto.

Para obter instruções de instalação mais detalhadas e compatibilidade de versões, consulte a documentação do MongoDB Java Driver.

2

Crie um arquivo denominado VectorIndex.java e copie e cole o seguinte código no arquivo.

Essa definição de índice indexa o campo plot_embedding_voyage_3_large como o tipo vector e os campos genres e year como o tipo filter em um índice do MongoDB Vector Search . O campo plot_embedding_voyage_3_large contém incorporações criadas usando o modelo de incorporação voyage-3-large da Voyage AI. A definição de índice especifica 2048 dimensões vetoriais e mede a similaridade usando a função dotProduct.

VectorIndex.java
1import com.mongodb.client.MongoClient;
2import com.mongodb.client.MongoClients;
3import com.mongodb.client.MongoCollection;
4import com.mongodb.client.MongoDatabase;
5import com.mongodb.client.model.SearchIndexModel;
6import com.mongodb.client.model.SearchIndexType;
7import org.bson.Document;
8import org.bson.conversions.Bson;
9
10import java.util.Arrays;
11import java.util.Collections;
12import java.util.List;
13
14public class VectorIndex {
15
16 public static void main(String[] args) {
17
18 // Replace the placeholder with your Atlas connection string
19 String uri = "<connectionString>";
20
21 // Connect to your Atlas cluster
22 try (MongoClient mongoClient = MongoClients.create(uri)) {
23
24 // Set the namespace
25 MongoDatabase database = mongoClient.getDatabase("sample_mflix");
26 MongoCollection<Document> collection = database.getCollection("embedded_movies");
27
28 // Define the index details with the filter fields
29 String indexName = "vector_index";
30 Bson definition = new Document(
31 "fields",
32 Arrays.asList(
33 new Document("type", "vector")
34 .append("path", "plot_embedding_voyage_3_large")
35 .append("numDimensions", 2048)
36 .append("similarity", "dotProduct")
37 .append("quantization", "scalar"),
38 new Document("type", "filter")
39 .append("path", "genres"),
40 new Document("type", "filter")
41 .append("path", "year")));
42
43 // Define the index model
44 SearchIndexModel indexModel = new SearchIndexModel(
45 indexName,
46 definition,
47 SearchIndexType.vectorSearch());
48
49 // Create the index using the defined model
50 List<String> result = collection.createSearchIndexes(Collections.singletonList(indexModel));
51 System.out.println("Successfully created vector index named: " + result.get(0));
52 System.out.println("It may take up to a minute for the index to leave the BUILDING status and become queryable.");
53
54 // Wait for index to build and become queryable
55 System.out.println("Polling to confirm the index has left the BUILDING status.");
56 // No special handling in case of a timeout. Custom handling can be implemented.
57 waitForIndex(collection, indexName);
58 }
59 }
60
61 /**
62 * Polls the collection to check whether the specified index is ready to query.
63 */
64 public static <T> boolean waitForIndex(final MongoCollection<T> collection, final String indexName) {
65 long startTime = System.nanoTime();
66 long timeoutNanos = TimeUnit.SECONDS.toNanos(60);
67 while (System.nanoTime() - startTime < timeoutNanos) {
68 Document indexRecord = StreamSupport.stream(collection.listSearchIndexes().spliterator(), false)
69 .filter(index -> indexName.equals(index.getString("name")))
70 .findAny().orElse(null);
71 if (indexRecord != null) {
72 if ("FAILED".equals(indexRecord.getString("status"))) {
73 throw new RuntimeException("Search index has FAILED status.");
74 }
75 if (indexRecord.getBoolean("queryable")) {
76 System.out.println(indexName + " index is ready to query");
77 return true;
78 }
79 }
80 try {
81 Thread.sleep(100); // busy-wait, avoid in production
82 } catch (InterruptedException e) {
83 Thread.currentThread().interrupt();
84 throw new RuntimeException(e);
85 }
86 }
87 return false;
88 }
89}
3

Substitua <connection-string> pela string de conexão do seu cluster do Atlas ou da implantação local do Atlas.

Sua string de conexão deve usar o seguinte formato:

mongodb+srv://<db_username>:<db_password>@<clusterName>.<hostname>.mongodb.net

Para saber mais, consulte Conectar a um cluster via drivers.

Sua string de conexão deve usar o seguinte formato:

mongodb://localhost:<port-number>/?directConnection=true

Para saber mais, consulte Connection strings.

4

Execute o arquivo no seu IDE ou execute um comando a partir da linha de comando para executar o código.

javac VectorIndex.java
java VectorIndex
Successfully created a vector index named: [vector_index]
It may take up to a minute for the index to build before you can query using it.
Polling to confirm the index has completed building.
vector_index index is ready to query
1

Adicione o Driver Node do MongoDB como dependência no seu projeto:

npm install mongodb

Dica

Os exemplos nesta página pressupõem que seu projeto gerencia módulos como CommonJS. Se estiver usando módulos ES, você deverá modificar a sintaxe de importação.

2

Crie um arquivo denominado vector-index.js e copie e cole o seguinte código no arquivo.

Essa definição de índice indexa o campo plot_embedding_voyage_3_large como o tipo vector e os campos genres e year como o tipo filter em um índice do MongoDB Vector Search . O campo plot_embedding_voyage_3_large contém incorporações criadas usando o modelo de incorporação voyage-3-large da Voyage AI. A definição de índice especifica 2048 dimensões vetoriais e mede a similaridade usando a função dotProduct.

vector-index.js
1const { MongoClient } = require("mongodb");
2
3// connect to your Atlas deployment
4const uri = "<connectionString>";
5
6const client = new MongoClient(uri);
7
8async function run() {
9 try {
10 const database = client.db("sample_mflix");
11 const collection = database.collection("embedded_movies");
12
13 // define your MongoDB Vector Search index
14 const index = {
15 name: "vector_index",
16 type: "vectorSearch",
17 definition: {
18 "fields": [
19 {
20 "type": "vector",
21 "numDimensions": 2048,
22 "path": "plot_embedding_voyage_3_large",
23 "similarity": "dotProduct",
24 "quantization": "scalar"
25 },
26 {
27 "type": "filter",
28 "path": "genres"
29 },
30 {
31 "type": "filter",
32 "path": "year"
33 }
34 ]
35 }
36 }
37
38 // run the helper method
39 const result = await collection.createSearchIndex(index);
40 console.log(`New search index named ${result} is building.`);
41
42 // wait for the index to be ready to query
43 console.log("Polling to check if the index is ready. This may take up to a minute.")
44 let isQueryable = false;
45 while (!isQueryable) {
46 const cursor = collection.listSearchIndexes();
47 for await (const index of cursor) {
48 if (index.name === result) {
49 if (index.queryable) {
50 console.log(`${result} is ready for querying.`);
51 isQueryable = true;
52 } else {
53 await new Promise(resolve => setTimeout(resolve, 5000));
54 }
55 }
56 }
57 }
58 } finally {
59 await client.close();
60 }
61}
62run().catch(console.dir);
3

Substitua <connection-string> pela string de conexão do seu cluster do Atlas ou da implantação local do Atlas.

Sua string de conexão deve usar o seguinte formato:

mongodb+srv://<db_username>:<db_password>@<clusterName>.<hostname>.mongodb.net

Para saber mais, consulte Conectar a um cluster via drivers.

Sua string de conexão deve usar o seguinte formato:

mongodb://localhost:<port-number>/?directConnection=true

Para saber mais, consulte Connection strings.

4
node vector-index.js
vector_index
1

Adicione o Driver PyMongo como dependência no seu projeto:

pip install pymongo
2

Crie um arquivo denominado vector-index.py e copie e cole o seguinte código no arquivo.

Essa definição de índice indexa o campo plot_embedding_voyage_3_large como o tipo vector e os campos genres e year como o tipo filter em um índice do MongoDB Vector Search . O campo plot_embedding_voyage_3_large contém incorporações criadas usando o modelo de incorporação voyage-3-large da Voyage AI. A definição de índice especifica 2048 dimensões vetoriais, mede a similaridade usando a função dotProduct e permite a quantização automática scalar para o processamento eficiente de seus vetores.

vector-index.py
1from pymongo.mongo_client import MongoClient
2from pymongo.operations import SearchIndexModel
3import time
4
5# Connect to your Atlas deployment
6uri = "<connectionString>"
7client = MongoClient(uri)
8
9# Access your database and collection
10database = client["sample_mflix"]
11collection = database["embedded_movies"]
12
13# Create your index model, then create the search index
14search_index_model = SearchIndexModel(
15 definition={
16 "fields": [
17 {
18 "type": "vector",
19 "path": "plot_embedding_voyage_3_large",
20 "numDimensions": 2048,
21 "similarity": "dotProduct",
22 "quantization": "scalar"
23 },
24 {
25 "type": "filter",
26 "path": "genres"
27 },
28 {
29 "type": "filter",
30 "path": "year"
31 }
32 ]
33 },
34 name="vector_index",
35 type="vectorSearch"
36)
37
38result = collection.create_search_index(model=search_index_model)
39print("New search index named " + result + " is building.")
40
41# Wait for initial sync to complete
42print("Polling to check if the index is ready. This may take up to a minute.")
43predicate=None
44if predicate is None:
45 predicate = lambda index: index.get("queryable") is True
46
47while True:
48 indices = list(collection.list_search_indexes(result))
49 if len(indices) and predicate(indices[0]):
50 break
51 time.sleep(5)
52print(result + " is ready for querying.")
53
54client.close()
3

Substitua <connection-string> pela string de conexão do seu cluster do Atlas ou da implantação local do Atlas.

Sua string de conexão deve usar o seguinte formato:

mongodb+srv://<db_username>:<db_password>@<clusterName>.<hostname>.mongodb.net

Para saber mais, consulte Conectar a um cluster via drivers.

Sua string de conexão deve usar o seguinte formato:

mongodb://localhost:<port-number>/?directConnection=true

Para saber mais, consulte Connection strings.

4
python vector-index.py
vector_index

Esta seção demonstra como consultar os dados de vetores indexados na coleção sample_mflix.embedded_movies usando o estágio $vectorSearch. Essas queries de amostra também demonstram os vários operadores de pipeline de agregação e query que podemos usar na query para pré-filtrar os dados nos quais realizamos a pesquisa semântica.

1

Salve as seguintes incorporações em um arquivo chamado query-embeddings.js:

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2

Abra o mongosh em uma janela do terminal e conecte-se ao seu cluster. Para obter instruções detalhadas sobre como conectar, consulte Conectar via mongosh.

3

Carregue o arquivo em mongosh para usar as incorporações na sua query:

load('/<path-to-file>/query-embeddings.js');
4
use sample_mflix
switched to db sample_mflix
5

As queries a seguir usam o estágio do pipeline $vectorSearch para pesquisar filmes que correspondam às incorporações de vetor especificadas. As queries especificam uma pesquisa para até 100 vizinhos mais próximos e limitam os resultados somente para 10 documentos. As queries também especificam um estágio $project para executar as seguintes ações:

  • Exclua o campo _id e inclua somente os campos title, genres, plot e year nos resultados.

  • Adicionar um campo chamado score que exibe a pontuação da pesquisa vetorial para cada documento nos resultados.

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string aventura infantil. Ela especifica vários operadores de query de comparação por campo para pré-filtrar os documentos nos quais executar a pesquisar semântica.

O filtro usa o operador de pipeline de agregação $and para localizar documentos de filme que correspondam aos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não estão no gênero drama, western ou crime, mas sim no gênero action, adventure ou family.

  • Filtre pelo campo year para encontrar filmes que foram lançados entre os anos 1960 e 2000.

1db.embedded_movies.aggregate([
2 {
3 "$vectorSearch": {
4 "index": "vector_index",
5 "path": "plot_embedding_voyage_3_large",
6 "filter": {
7 "$and": [{
8 "genres": {
9 "$nin": ["Drama", "Western", "Crime"],
10 "$in": ["Action", "Adventure", "Family"]
11 },
12 }, {
13 "year": {
14 "$gte": 1960,
15 "$lte": 2000
16 }
17 }]
18 },
19 "queryVector": KIDS_ADVENTURE_EMBEDDING,
20 "numCandidates": 200,
21 "limit": 10
22 }
23 },
24 {
25 "$project": {
26 "_id": 0,
27 "title": 1,
28 "genres": 1,
29 "plot": 1,
30 "year": 1,
31 "score": { $meta: "vectorSearchScore" }
32 }
33 }
34])
1[
2 {
3 plot: 'Three young boys, Rocky, Colt and Tum Tum together with their neighbor girl, computer whiz Amanda are visiting Mega Mountain amusement park when it is invaded by an army of ninjas led by ...',
4 genres: [ 'Action', 'Adventure', 'Comedy' ],
5 title: '3 Ninjas: High Noon at Mega Mountain',
6 year: 1998,
7 score: 0.7746343612670898
8 },
9 {
10 plot: "A two-week trek through the Cascade Mountains tries the survival instincts of five adventurous teenagers. At first, it's all a good time. Shooting the rapids, exploring caves and making new...",
11 genres: [ 'Action', 'Adventure', 'Family' ],
12 title: 'White Wolves: A Cry in the Wild II',
13 year: 1993,
14 score: 0.770106315612793
15 },
16 {
17 plot: 'A futuristic, sensitive tale of adventure and confrontation when a 10 year old boy is accidentally kidnapped by a spaceship filled with a motley crew of space pirates.',
18 genres: [ 'Action', 'Adventure', 'Sci-Fi' ],
19 title: 'Space Raiders',
20 year: 1983,
21 score: 0.7569591999053955
22 },
23 {
24 plot: 'Wicket the Ewok and his friends agree to help two shipwrecked human children on a quest to find their parents.',
25 genres: [ 'Adventure', 'Family', 'Fantasy' ],
26 title: 'The Ewok Adventure',
27 year: 1984,
28 score: 0.7515435218811035
29 },
30 {
31 plot: 'A young boy accidentally joins a band of dwarves as they jump from era to era looking for treasure to steal.',
32 genres: [ 'Adventure', 'Comedy', 'Fantasy' ],
33 title: 'Time Bandits',
34 year: 1981,
35 score: 0.7513599395751953
36 },
37 {
38 plot: 'A down-on-his-luck inventor turns a broken-down Grand Prix car into a fancy vehicle for his children, and then they go off on a magical fantasy adventure to save their grandfather in a far-off land.',
39 genres: [ 'Adventure', 'Family', 'Fantasy' ],
40 title: 'Chitty Chitty Bang Bang',
41 year: 1968,
42 score: 0.7492260932922363
43 },
44 {
45 plot: 'A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.',
46 genres: [ 'Action', 'Adventure', 'Comedy' ],
47 title: 'Forest Warrior',
48 year: 1996,
49 score: 0.7473714351654053
50 },
51 {
52 plot: 'A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.',
53 genres: [ 'Action', 'Adventure', 'Comedy' ],
54 title: 'Forest Warrior',
55 year: 1996,
56 score: 0.7473714351654053
57 },
58 {
59 plot: 'A young boy is whisked away to the mythical land of Tao where he becomes the center of a conflict between an evil lord and a group of animal warriors.',
60 genres: [ 'Action', 'Fantasy', 'Adventure' ],
61 title: 'Warriors of Virtue',
62 year: 1997,
63 score: 0.7464213371276855
64 },
65 {
66 plot: 'A young prince is taken for tuition at a seaside hotel but there quickly bores and wanders off to visit a nearby lighthouse. Befriended by the keeper, he learns of a secret world he can see...',
67 genres: [ 'Animation', 'Adventure', 'Fantasy' ],
68 title: 'Taxandria',
69 year: 1994,
70 score: 0.7453246116638184
71 }
72]

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string star wars. Ela especifica operadores de pipeline de agregação e de query de comparação para demonstrar um uso combinado dos operadores para filtrar os dados.

O filtro usa o operador de pipeline de agregação $or para localizar documentos de filme que correspondam a um dos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não são do gênero crime .

  • Filtre pelo campo year para encontrar filmes lançados no ano 2015 ou antes e pelo campo genres para encontrar filmes do gênero action .

1db.embedded_movies.aggregate([
2 {
3 "$vectorSearch": {
4 "index": "vector_index",
5 "path": "plot_embedding_voyage_3_large",
6 "filter": {
7 "$or": [{
8 "genres": { "$ne": "Crime" }
9 }, {
10 "$and": [{
11 "year": { "$lte": 2015 }
12 }, {
13 "genres": { "$eq": "Action" }
14 }]
15 }]
16 },
17 "queryVector": STAR_WARS_EMBEDDING,
18 "numCandidates": 200,
19 "limit": 10
20 }
21 },
22 {
23 "$project": {
24 "_id": 0,
25 "title": 1,
26 "genres": 1,
27 "plot": 1,
28 "released": 1,
29 "score": { $meta: "vectorSearchScore" }
30 }
31 }
32])
1[
2 {
3 plot: "Luke Skywalker joins forces with a Jedi Knight, a cocky pilot, a wookiee and two droids to save the universe from the Empire's world-destroying battle-station, while also attempting to rescue Princess Leia from the evil Darth Vader.",
4 genres: [ 'Action', 'Adventure', 'Fantasy' ],
5 title: 'Star Wars: Episode IV - A New Hope',
6 released: ISODate('1977-05-25T00:00:00.000Z'),
7 score: 0.79868483543396
8 },
9 {
10 plot: "A Duke's son leads desert warriors against the galactic emperor and his father's evil nemesis when they assassinate his father and free their desert world from the emperor's rule.",
11 genres: [ 'Action', 'Adventure', 'Sci-Fi' ],
12 title: 'Dune',
13 released: ISODate('1984-12-14T00:00:00.000Z'),
14 score: 0.7949700355529785
15 },
16 {
17 plot: 'In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...',
18 genres: [ 'Action', 'Adventure', 'Sci-Fi' ],
19 title: 'Message from Space',
20 released: ISODate('1978-10-30T00:00:00.000Z'),
21 score: 0.7913978099822998
22 },
23 {
24 plot: 'In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...',
25 genres: [ 'Action', 'Adventure', 'Sci-Fi' ],
26 title: 'Message from Space',
27 released: ISODate('1978-10-30T00:00:00.000Z'),
28 score: 0.7913978099822998
29 },
30 {
31 plot: 'After the rebels have been brutally overpowered by the Empire on their newly established base, Luke Skywalker takes advanced Jedi training with Master Yoda, while his friends are pursued by Darth Vader as part of his plan to capture Luke.',
32 genres: [ 'Action', 'Adventure', 'Fantasy' ],
33 title: 'Star Wars: Episode V - The Empire Strikes Back',
34 released: ISODate('1980-06-20T00:00:00.000Z'),
35 score: 0.7809884548187256
36 },
37 {
38 plot: 'After rescuing Han Solo from the palace of Jabba the Hutt, the rebels attempt to destroy the second Death Star, while Luke struggles to make Vader return from the dark side of the Force.',
39 genres: [ 'Action', 'Adventure', 'Fantasy' ],
40 title: 'Star Wars: Episode VI - Return of the Jedi',
41 released: ISODate('1983-05-25T00:00:00.000Z'),
42 score: 0.7784996032714844
43 },
44 {
45 plot: 'Two Jedi Knights escape a hostile blockade to find allies and come across a young boy who may bring balance to the Force, but the long dormant Sith resurface to reclaim their old glory.',
46 genres: [ 'Action', 'Adventure', 'Fantasy' ],
47 title: 'Star Wars: Episode I - The Phantom Menace',
48 released: ISODate('1999-05-19T00:00:00.000Z'),
49 score: 0.7766742706298828
50 },
51 {
52 plot: 'The army of the Marauders, led by by King Terak and the witch Charal attack the Ewoks village. The parents and the brother of Cindel all die in this attack. Cindel and the Ewok Wicket ...',
53 genres: [ 'Adventure', 'Family', 'Fantasy' ],
54 title: 'Ewoks: The Battle for Endor',
55 released: ISODate('1985-11-24T00:00:00.000Z'),
56 score: 0.7676119804382324
57 },
58 {
59 plot: 'A prince and a fellowship of companions set out to rescue his bride from a fortress of alien invaders who have arrived on their home planet.',
60 genres: [ 'Action', 'Adventure', 'Fantasy' ],
61 title: 'Krull',
62 released: ISODate('1983-07-29T00:00:00.000Z'),
63 score: 0.7624373435974121
64 },
65 {
66 plot: 'An outlaw smuggler and her alien companion are recruited by the Emperor of the Galaxy to rescue his son and destroy a secret weapon by the evil Count Zarth Arn.',
67 genres: [ 'Action', 'Adventure', 'Fantasy' ],
68 title: 'Starcrash',
69 released: ISODate('1979-03-09T00:00:00.000Z'),
70 score: 0.7582714557647705
71 }
72]
1

Salve as seguintes incorporações em um arquivo chamado query-embeddings.js:

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2

Abra o mongosh em uma janela do terminal e conecte-se ao seu cluster. Para obter instruções detalhadas sobre como conectar, consulte Conectar via mongosh.

3

Carregue o arquivo em mongosh para usar as incorporações na sua query:

load('/<path-to-file>/query-embeddings.js');
4
use sample_mflix
switched to db sample_mflix
5

As queries a seguir usam o estágio do pipeline $vectorSearch para pesquisar filmes que correspondam às incorporações de vetor especificadas. As queries especificam uma pesquisa para até 100 vizinhos mais próximos e limitam os resultados somente para 10 documentos. As queries também especificam um estágio $project para executar as seguintes ações:

  • Exclua o campo _id e inclua somente os campos title, genres, plot e year nos resultados.

  • Adicionar um campo chamado score que exibe a pontuação da pesquisa vetorial para cada documento nos resultados.

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string aventura infantil. Ela especifica vários operadores de query de comparação por campo para pré-filtrar os documentos nos quais executar a pesquisar semântica.

O filtro usa o operador de pipeline de agregação $and para localizar documentos de filme que correspondam aos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não estão no gênero drama, western ou crime, mas sim no gênero action, adventure ou family.

  • Filtre pelo campo year para encontrar filmes que foram lançados entre os anos 1960 e 2000.

1db.embedded_movies.aggregate([
2 {
3 "$vectorSearch": {
4 "index": "vector_index",
5 "path": "plot_embedding_voyage_3_large",
6 "filter": {
7 "$and": [{
8 "genres": {
9 "$nin": ["Drama", "Western", "Crime"],
10 "$in": ["Action", "Adventure", "Family"]
11 },
12 }, {
13 "year": {
14 "$gte": 1960,
15 "$lte": 2000
16 }
17 }]
18 },
19 "queryVector": KIDS_ADVENTURE_EMBEDDING,
20 "numCandidates": 200,
21 "limit": 10
22 }
23 },
24 {
25 "$project": {
26 "_id": 0,
27 "title": 1,
28 "genres": 1,
29 "plot": 1,
30 "year": 1,
31 "score": { $meta: "vectorSearchScore" }
32 }
33 }
34])
1[
2 {
3 plot: 'Three young boys, Rocky, Colt and Tum Tum together with their neighbor girl, computer whiz Amanda are visiting Mega Mountain amusement park when it is invaded by an army of ninjas led by ...',
4 genres: [ 'Action', 'Adventure', 'Comedy' ],
5 title: '3 Ninjas: High Noon at Mega Mountain',
6 year: 1998,
7 score: 0.7746343612670898
8 },
9 {
10 plot: "A two-week trek through the Cascade Mountains tries the survival instincts of five adventurous teenagers. At first, it's all a good time. Shooting the rapids, exploring caves and making new...",
11 genres: [ 'Action', 'Adventure', 'Family' ],
12 title: 'White Wolves: A Cry in the Wild II',
13 year: 1993,
14 score: 0.770106315612793
15 },
16 {
17 plot: 'A futuristic, sensitive tale of adventure and confrontation when a 10 year old boy is accidentally kidnapped by a spaceship filled with a motley crew of space pirates.',
18 genres: [ 'Action', 'Adventure', 'Sci-Fi' ],
19 title: 'Space Raiders',
20 year: 1983,
21 score: 0.7569591999053955
22 },
23 {
24 plot: 'Wicket the Ewok and his friends agree to help two shipwrecked human children on a quest to find their parents.',
25 genres: [ 'Adventure', 'Family', 'Fantasy' ],
26 title: 'The Ewok Adventure',
27 year: 1984,
28 score: 0.7515435218811035
29 },
30 {
31 plot: 'A young boy accidentally joins a band of dwarves as they jump from era to era looking for treasure to steal.',
32 genres: [ 'Adventure', 'Comedy', 'Fantasy' ],
33 title: 'Time Bandits',
34 year: 1981,
35 score: 0.7513599395751953
36 },
37 {
38 plot: 'A down-on-his-luck inventor turns a broken-down Grand Prix car into a fancy vehicle for his children, and then they go off on a magical fantasy adventure to save their grandfather in a far-off land.',
39 genres: [ 'Adventure', 'Family', 'Fantasy' ],
40 title: 'Chitty Chitty Bang Bang',
41 year: 1968,
42 score: 0.7492260932922363
43 },
44 {
45 plot: 'A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.',
46 genres: [ 'Action', 'Adventure', 'Comedy' ],
47 title: 'Forest Warrior',
48 year: 1996,
49 score: 0.7473714351654053
50 },
51 {
52 plot: 'A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.',
53 genres: [ 'Action', 'Adventure', 'Comedy' ],
54 title: 'Forest Warrior',
55 year: 1996,
56 score: 0.7473714351654053
57 },
58 {
59 plot: 'A young boy is whisked away to the mythical land of Tao where he becomes the center of a conflict between an evil lord and a group of animal warriors.',
60 genres: [ 'Action', 'Fantasy', 'Adventure' ],
61 title: 'Warriors of Virtue',
62 year: 1997,
63 score: 0.7464213371276855
64 },
65 {
66 plot: 'A young prince is taken for tuition at a seaside hotel but there quickly bores and wanders off to visit a nearby lighthouse. Befriended by the keeper, he learns of a secret world he can see...',
67 genres: [ 'Animation', 'Adventure', 'Fantasy' ],
68 title: 'Taxandria',
69 year: 1994,
70 score: 0.7453246116638184
71 }
72]

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string star wars. Ela especifica operadores de pipeline de agregação e de query de comparação para demonstrar um uso combinado dos operadores para filtrar os dados.

O filtro usa o operador de pipeline de agregação $or para localizar documentos de filme que correspondam a um dos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não são do gênero crime .

  • Filtre pelo campo year para encontrar filmes lançados no ano 2015 ou antes e pelo campo genres para encontrar filmes do gênero action .

1db.embedded_movies.aggregate([
2 {
3 "$vectorSearch": {
4 "index": "vector_index",
5 "path": "plot_embedding_voyage_3_large",
6 "filter": {
7 "$or": [{
8 "genres": { "$ne": "Crime" }
9 }, {
10 "$and": [{
11 "year": { "$lte": 2015 }
12 }, {
13 "genres": { "$eq": "Action" }
14 }]
15 }]
16 },
17 "queryVector": STAR_WARS_EMBEDDING,
18 "numCandidates": 200,
19 "limit": 10
20 }
21 },
22 {
23 "$project": {
24 "_id": 0,
25 "title": 1,
26 "genres": 1,
27 "plot": 1,
28 "released": 1,
29 "score": { $meta: "vectorSearchScore" }
30 }
31 }
32])
1[
2 {
3 plot: "Luke Skywalker joins forces with a Jedi Knight, a cocky pilot, a wookiee and two droids to save the universe from the Empire's world-destroying battle-station, while also attempting to rescue Princess Leia from the evil Darth Vader.",
4 genres: [ 'Action', 'Adventure', 'Fantasy' ],
5 title: 'Star Wars: Episode IV - A New Hope',
6 released: ISODate('1977-05-25T00:00:00.000Z'),
7 score: 0.79868483543396
8 },
9 {
10 plot: "A Duke's son leads desert warriors against the galactic emperor and his father's evil nemesis when they assassinate his father and free their desert world from the emperor's rule.",
11 genres: [ 'Action', 'Adventure', 'Sci-Fi' ],
12 title: 'Dune',
13 released: ISODate('1984-12-14T00:00:00.000Z'),
14 score: 0.7949700355529785
15 },
16 {
17 plot: 'In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...',
18 genres: [ 'Action', 'Adventure', 'Sci-Fi' ],
19 title: 'Message from Space',
20 released: ISODate('1978-10-30T00:00:00.000Z'),
21 score: 0.7913978099822998
22 },
23 {
24 plot: 'In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...',
25 genres: [ 'Action', 'Adventure', 'Sci-Fi' ],
26 title: 'Message from Space',
27 released: ISODate('1978-10-30T00:00:00.000Z'),
28 score: 0.7913978099822998
29 },
30 {
31 plot: 'After the rebels have been brutally overpowered by the Empire on their newly established base, Luke Skywalker takes advanced Jedi training with Master Yoda, while his friends are pursued by Darth Vader as part of his plan to capture Luke.',
32 genres: [ 'Action', 'Adventure', 'Fantasy' ],
33 title: 'Star Wars: Episode V - The Empire Strikes Back',
34 released: ISODate('1980-06-20T00:00:00.000Z'),
35 score: 0.7809884548187256
36 },
37 {
38 plot: 'After rescuing Han Solo from the palace of Jabba the Hutt, the rebels attempt to destroy the second Death Star, while Luke struggles to make Vader return from the dark side of the Force.',
39 genres: [ 'Action', 'Adventure', 'Fantasy' ],
40 title: 'Star Wars: Episode VI - Return of the Jedi',
41 released: ISODate('1983-05-25T00:00:00.000Z'),
42 score: 0.7784996032714844
43 },
44 {
45 plot: 'Two Jedi Knights escape a hostile blockade to find allies and come across a young boy who may bring balance to the Force, but the long dormant Sith resurface to reclaim their old glory.',
46 genres: [ 'Action', 'Adventure', 'Fantasy' ],
47 title: 'Star Wars: Episode I - The Phantom Menace',
48 released: ISODate('1999-05-19T00:00:00.000Z'),
49 score: 0.7766742706298828
50 },
51 {
52 plot: 'The army of the Marauders, led by by King Terak and the witch Charal attack the Ewoks village. The parents and the brother of Cindel all die in this attack. Cindel and the Ewok Wicket ...',
53 genres: [ 'Adventure', 'Family', 'Fantasy' ],
54 title: 'Ewoks: The Battle for Endor',
55 released: ISODate('1985-11-24T00:00:00.000Z'),
56 score: 0.7676119804382324
57 },
58 {
59 plot: 'A prince and a fellowship of companions set out to rescue his bride from a fortress of alien invaders who have arrived on their home planet.',
60 genres: [ 'Action', 'Adventure', 'Fantasy' ],
61 title: 'Krull',
62 released: ISODate('1983-07-29T00:00:00.000Z'),
63 score: 0.7624373435974121
64 },
65 {
66 plot: 'An outlaw smuggler and her alien companion are recruited by the Emperor of the Galaxy to rescue his son and destroy a secret weapon by the evil Count Zarth Arn.',
67 genres: [ 'Action', 'Adventure', 'Fantasy' ],
68 title: 'Starcrash',
69 released: ISODate('1979-03-09T00:00:00.000Z'),
70 score: 0.7582714557647705
71 }
72]
1
2

As queries a seguir usam o estágio do pipeline $vectorSearch para pesquisar filmes que correspondam às incorporações de vetor especificadas. As queries especificam uma pesquisa para até 100 vizinhos mais próximos e limitam os resultados somente para 10 documentos. As queries também especificam um estágio $project para executar as seguintes ações:

  • Exclua o campo _id e inclua somente os campos title, genres, plot e year nos resultados.

  • Adicionar um campo chamado score que exibe a pontuação da pesquisa vetorial para cada documento nos resultados.

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string aventura infantil. Ela especifica vários operadores de query de comparação por campo para pré-filtrar os documentos nos quais executar a pesquisar semântica.

O filtro usa o operador de pipeline de agregação $and para localizar documentos de filme que correspondam aos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não estão no gênero drama, western ou crime, mas sim no gênero action, adventure ou family.

  • Filtre pelo campo year para encontrar filmes que foram lançados entre os anos 1960 e 2000.

DataService.cs
1namespace query_quick_start;
2
3using MongoDB.Driver;
4using MongoDB.Bson;
5
6public class DataService
7{
8 private const string ConnectionString = "<connection-string>";
9 private static readonly MongoClient Client = new MongoClient(ConnectionString);
10 private static readonly IMongoDatabase Database = Client.GetDatabase("sample_mflix");
11 private static readonly IMongoCollection<BsonDocument> Collection = Database.GetCollection<BsonDocument>("embedded_movies");
12
13 public List<BsonDocument>? PerformVectorQuery()
14 {
15 double[] queryVector = {
16 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17 };
18 var filter = Builders<BsonDocument>.Filter.And(
19 Builders<BsonDocument>.Filter.And(
20 Builders<BsonDocument>.Filter.Nin("genres", ["Drama", "Western", "Crime"]),
21 Builders<BsonDocument>.Filter.In("genres", ["Action", "Adventure", "Family"])
22 ),
23 Builders<BsonDocument>.Filter.And(
24 Builders<BsonDocument>.Filter.Gte("year", 1960),
25 Builders<BsonDocument>.Filter.Lte("year", 2000)
26 )
27 );
28
29 var options = new VectorSearchOptions<BsonDocument>()
30 {
31 IndexName = "vector_index",
32 Filter = filter,
33 NumberOfCandidates = 200,
34 };
35
36 var pipeline = new EmptyPipelineDefinition<BsonDocument>()
37 .VectorSearch("plot_embedding_voyage_3_large", queryVector, 10, options)
38 .Project(Builders<BsonDocument>.Projection
39 .Exclude("_id")
40 .Include("title")
41 .Include("genres")
42 .Include("plot")
43 .Include("year")
44 .Meta("score", "vectorSearchScore")
45 );
46 return Collection.Aggregate<BsonDocument>(pipeline).ToList();
47 }
48}

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string star wars. Ela especifica operadores de pipeline de agregação e de query de comparação para demonstrar um uso combinado dos operadores para filtrar os dados.

O filtro usa o operador de pipeline de agregação $or para localizar documentos de filme que correspondam a um dos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não são do gênero crime .

  • Filtre pelo campo year para encontrar filmes lançados no ano 2015 ou antes e pelo campo genres para encontrar filmes do gênero action .

DataService.cs
1namespace query_quick_start;
2
3using MongoDB.Driver;
4using MongoDB.Bson;
5
6public class DataService
7{
8 private const string ConnectionString = "<connection-string>";
9 private static readonly MongoClient Client = new MongoClient(ConnectionString);
10 private static readonly IMongoDatabase Database = Client.GetDatabase("sample_mflix");
11 private static readonly IMongoCollection<BsonDocument> Collection = Database.GetCollection<BsonDocument>("embedded_movies");
12
13 public List<BsonDocument>? PerformVectorQuery()
14 {
15 double[] queryVector = {
16 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17 };
18 var filter = Builders<BsonDocument>.Filter.Or(
19 Builders<BsonDocument>.Filter.Ne("genres", "Crime"),
20 Builders<BsonDocument>.Filter.And(
21 Builders<BsonDocument>.Filter.Lte("year", 2015),
22 Builders<BsonDocument>.Filter.Eq("genres", "Action")
23 )
24 );
25
26 var options = new VectorSearchOptions<BsonDocument>()
27 {
28 IndexName = "vector_index",
29 Filter = filter,
30 NumberOfCandidates = 200,
31 };
32
33 var pipeline = new EmptyPipelineDefinition<BsonDocument>()
34 .VectorSearch("plot_embedding_voyage_3_large", queryVector, 10, options)
35 .Project(Builders<BsonDocument>.Projection
36 .Exclude("_id")
37 .Include("title")
38 .Include("genres")
39 .Include("plot")
40 .Include("year")
41 .Meta("score", "vectorSearchScore")
42 );
43 return Collection.Aggregate<BsonDocument>(pipeline).ToList();
44 }
45}
3

Substitua <connection-string> pela string de conexão do seu cluster do Atlas ou da implantação local do Atlas.

Sua string de conexão deve usar o seguinte formato:

mongodb+srv://<db_username>:<db_password>@<clusterName>.<hostname>.mongodb.net

Para saber mais, consulte Conectar a um cluster via drivers.

Sua string de conexão deve usar o seguinte formato:

mongodb://localhost:<port-number>/?directConnection=true

Para saber mais, consulte Connection strings.

4

Atualize Program.cs para inicializar o DataService e chamar o método para executar a query.

Program.cs
1using query_quick_start;
2
3var dataService = new DataService();
4var results = dataService.PerformVectorQuery();
5if (results != null)
6{
7 foreach (var document in results)
8 {
9 Console.WriteLine(document);
10 }
11}
12else
13{
14 Console.WriteLine("The query returned no results.");
15}
5

Salve o arquivo e, em seguida, compile e execute seu projeto para realizar a consulta.

dotnet run query_quick_start.csproj
1{ "plot" : "Three young boys, Rocky, Colt and Tum Tum together with their neighbor girl, computer whiz Amanda are visiting Mega Mountain amusement park when it is invaded by an army of ninjas led by ...", "genres" : ["Action", "Adventure", "Comedy"], "title" : "3 Ninjas: High Noon at Mega Mountain", "year" : 1998, "score" : 0.77463436126708984 }
2{ "plot" : "A two-week trek through the Cascade Mountains tries the survival instincts of five adventurous teenagers. At first, it's all a good time. Shooting the rapids, exploring caves and making new...", "genres" : ["Action", "Adventure", "Family"], "title" : "White Wolves: A Cry in the Wild II", "year" : 1993, "score" : 0.77010631561279297 }
3{ "plot" : "A futuristic, sensitive tale of adventure and confrontation when a 10 year old boy is accidentally kidnapped by a spaceship filled with a motley crew of space pirates.", "genres" : ["Action", "Adventure", "Sci-Fi"], "title" : "Space Raiders", "year" : 1983, "score" : 0.75695919990539551 }
4{ "plot" : "Wicket the Ewok and his friends agree to help two shipwrecked human children on a quest to find their parents.", "genres" : ["Adventure", "Family", "Fantasy"], "title" : "The Ewok Adventure", "year" : 1984, "score" : 0.75154352188110352 }
5{ "plot" : "A young boy accidentally joins a band of dwarves as they jump from era to era looking for treasure to steal.", "genres" : ["Adventure", "Comedy", "Fantasy"], "title" : "Time Bandits", "year" : 1981, "score" : 0.75135993957519531 }
6{ "plot" : "A down-on-his-luck inventor turns a broken-down Grand Prix car into a fancy vehicle for his children, and then they go off on a magical fantasy adventure to save their grandfather in a far-off land.", "genres" : ["Adventure", "Family", "Fantasy"], "title" : "Chitty Chitty Bang Bang", "year" : 1968, "score" : 0.74922609329223633 }
7{ "plot" : "A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.", "genres" : ["Action", "Adventure", "Comedy"], "title" : "Forest Warrior", "year" : 1996, "score" : 0.74737143516540527 }
8{ "plot" : "A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.", "genres" : ["Action", "Adventure", "Comedy"], "title" : "Forest Warrior", "year" : 1996, "score" : 0.74737143516540527 }
9{ "plot" : "A young boy is whisked away to the mythical land of Tao where he becomes the center of a conflict between an evil lord and a group of animal warriors.", "genres" : ["Action", "Fantasy", "Adventure"], "title" : "Warriors of Virtue", "year" : 1997, "score" : 0.74642133712768555 }
10{ "plot" : "A young prince is taken for tuition at a seaside hotel but there quickly bores and wanders off to visit a nearby lighthouse. Befriended by the keeper, he learns of a secret world he can see...", "genres" : ["Animation", "Adventure", "Fantasy"], "title" : "Taxandria", "year" : 1994, "score" : 0.74532461166381836 }
dotnet run query_quick_start.csproj
1{ "year" : 1977, "plot" : "Luke Skywalker joins forces with a Jedi Knight, a cocky pilot, a wookiee and two droids to save the universe from the Empire's world-destroying battle-station, while also attempting to rescue Princess Leia from the evil Darth Vader.", "genres" : ["Action", "Adventure", "Fantasy"], "title" : "Star Wars: Episode IV - A New Hope", "score" : 0.79868483543395996 }
2{ "plot" : "A Duke's son leads desert warriors against the galactic emperor and his father's evil nemesis when they assassinate his father and free their desert world from the emperor's rule.", "genres" : ["Action", "Adventure", "Sci-Fi"], "title" : "Dune", "year" : 1984, "score" : 0.79497003555297852 }
3{ "plot" : "In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...", "genres" : ["Action", "Adventure", "Sci-Fi"], "title" : "Message from Space", "year" : 1978, "score" : 0.7913978099822998 }
4{ "plot" : "In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...", "genres" : ["Action", "Adventure", "Sci-Fi"], "title" : "Message from Space", "year" : 1978, "score" : 0.7913978099822998 }
5{ "year" : 1980, "plot" : "After the rebels have been brutally overpowered by the Empire on their newly established base, Luke Skywalker takes advanced Jedi training with Master Yoda, while his friends are pursued by Darth Vader as part of his plan to capture Luke.", "genres" : ["Action", "Adventure", "Fantasy"], "title" : "Star Wars: Episode V - The Empire Strikes Back", "score" : 0.78098845481872559 }
6{ "plot" : "After rescuing Han Solo from the palace of Jabba the Hutt, the rebels attempt to destroy the second Death Star, while Luke struggles to make Vader return from the dark side of the Force.", "genres" : ["Action", "Adventure", "Fantasy"], "title" : "Star Wars: Episode VI - Return of the Jedi", "year" : 1983, "score" : 0.77849960327148438 }
7{ "plot" : "Two Jedi Knights escape a hostile blockade to find allies and come across a young boy who may bring balance to the Force, but the long dormant Sith resurface to reclaim their old glory.", "genres" : ["Action", "Adventure", "Fantasy"], "title" : "Star Wars: Episode I - The Phantom Menace", "year" : 1999, "score" : 0.77667427062988281 }
8{ "plot" : "The army of the Marauders, led by by King Terak and the witch Charal attack the Ewoks village. The parents and the brother of Cindel all die in this attack. Cindel and the Ewok Wicket ...", "genres" : ["Adventure", "Family", "Fantasy"], "title" : "Ewoks: The Battle for Endor", "year" : 1985, "score" : 0.76761198043823242 }
9{ "plot" : "A prince and a fellowship of companions set out to rescue his bride from a fortress of alien invaders who have arrived on their home planet.", "genres" : ["Action", "Adventure", "Fantasy"], "title" : "Krull", "year" : 1983, "score" : 0.76243734359741211 }
10{ "plot" : "An outlaw smuggler and her alien companion are recruited by the Emperor of the Galaxy to rescue his son and destroy a secret weapon by the evil Count Zarth Arn.", "genres" : ["Action", "Adventure", "Fantasy"], "title" : "Starcrash", "year" : 1978, "score" : 0.75827145576477051 }
1
2

As queries a seguir usam o estágio do pipeline $vectorSearch para pesquisar filmes que correspondam às incorporações de vetor especificadas. As queries especificam uma pesquisa para até 100 vizinhos mais próximos e limitam os resultados somente para 10 documentos. As queries também especificam um estágio $project para executar as seguintes ações:

  • Exclua o campo _id e inclua somente os campos title, genres, plot e year nos resultados.

  • Adicionar um campo chamado score que exibe a pontuação da pesquisa vetorial para cada documento nos resultados.

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string aventura infantil. Ela especifica vários operadores de query de comparação por campo para pré-filtrar os documentos nos quais executar a pesquisar semântica.

O filtro usa o operador de pipeline de agregação $and para localizar documentos de filme que correspondam aos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não estão no gênero drama, western ou crime, mas sim no gênero action, adventure ou family.

  • Filtre pelo campo year para encontrar filmes que foram lançados entre os anos 1960 e 2000.

1package main
2
3import (
4 "context"
5 "fmt"
6 "log"
7
8 "go.mongodb.org/mongo-driver/bson"
9 "go.mongodb.org/mongo-driver/mongo"
10 "go.mongodb.org/mongo-driver/mongo/options"
11)
12
13func main() {
14 ctx := context.Background()
15
16 // Replace the placeholder with your Atlas connection string
17 const uri = "<connection-string>"
18
19 // Connect to your Atlas cluster
20 clientOptions := options.Client().ApplyURI(uri)
21 client, err := mongo.Connect(ctx, clientOptions)
22 if err != nil {
23 log.Fatalf("failed to connect to the server: %v", err)
24 }
25 defer func() { _ = client.Disconnect(ctx) }()
26
27 // Set the namespace
28 coll := client.Database("sample_mflix").Collection("embedded_movies")
29
30 queryVector := [2048]float64{
31 -0.021090532, -0.026399033, -0.024103465, -0.025538195, -0.000549233, 0.011836523, -0.013199517, -0.003766167, -0.005165028, -0.02238179, 0.037876874, 0.010617003, 0.010903949, -0.001354026, 0.006850836, -0.018005863, -0.02195137, 0.019512329, -0.041894119, -0.008357302, 0.027546817, -0.025251249, 0.004340059, -0.02195137, -0.003748232, -0.006205208, 0.021377478, 0.008931194, -0.00173961, -0.009827901, -0.016642869, -0.033572685, -0.026399033, 0.015208139, 0.010114847, -0.0233861, -0.011406104, -0.033142265, -0.008895326, -0.014347301, -0.019081909, -0.049067769, 0.034433521, -0.023673046, 0.004160717, -0.01334299, -0.06714537, 0.032568373, -0.022525262, -0.024677357, 0.011334368, 0.027403345, 0.026399033, -0.016786342, -0.015925504, 0.013916882, -0.005487842, -0.0233861, 0.026542507, -0.052798066, -0.025681669, -0.025394723, 0.014203828, 0.014921193, -0.031564061, 0.010760476, 0.010688739, 0.013916882, -0.037876874, 0.039598551, -0.000816003, 0.003766167, -0.001694775, 0.026972925, 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-0.018292809, 0.016355922, -0.002134161, 0.037302982, 0.00180238, -0.013199517, -0.020086221, -0.011621314, 0.021377478, -0.005272633, -0.02195137, -0.017216761, 0.037876874, 0.033142265, 0.041607171, -0.011477841, 0.031133642, -0.045050524, -0.003981376, -0.025394723, -0.031707536, 0.024533885, 0.032568373, 0.028694602, -0.021090532, -0.019942747, 0.054806691, -0.004483532, -0.020086221, -0.01599724, 0.018651491, 0.020373167, 0.000504397, -0.007424728, -0.063702017, -0.014203828, 0.030846696, -0.006599758, -0.027259871, -0.024103465, -0.020660114, -0.004985687, 0.005559579, -0.034146577, -0.011549577, -0.00173961, 0.008321434, 0.007030177, -0.015638558,
32 }
33
34 genresFilterCondition := bson.D{
35 {"$and", bson.A{
36 bson.D{{"genres", bson.D{{"$nin", bson.A{"Drama", "Western", "Crime"}}}}},
37 bson.D{{"genres", bson.D{{"$in", bson.A{"Action", "Adventure", "Family"}}}}},
38 }}}
39
40 yearFilterCondition := bson.D{
41 {"$and", bson.A{
42 bson.D{{"year", bson.D{{"$gte", 1960}}}},
43 bson.D{{"year", bson.D{{"$lte", 2000}}}},
44 }},
45 }
46
47 filter := bson.D{{"$and", bson.A{
48 genresFilterCondition, yearFilterCondition,
49 }},
50 }
51
52 vectorSearchStage := bson.D{
53 {"$vectorSearch", bson.D{
54 {"index", "vector_index"},
55 {"path", "plot_embedding_voyage_3_large"},
56 {"filter", filter},
57 {"queryVector", queryVector},
58 {"numCandidates", 200},
59 {"limit", 10},
60 }},
61 }
62
63 projectStage := bson.D{
64 {"$project", bson.D{
65 {"_id", 0},
66 {"plot", 1},
67 {"title", 1},
68 {"genres", 1},
69 {"year", 1},
70 {"score", bson.D{{"$meta", "vectorSearchScore"}}},
71 }}}
72
73 cursor, err := coll.Aggregate(ctx, mongo.Pipeline{vectorSearchStage, projectStage})
74 if err != nil {
75 log.Fatalf("failed to retrieve data from the server: %v", err)
76 }
77 // display the results
78 type ProjectedMovieResult struct {
79 Title string `bson:"title"`
80 Plot string `bson:"plot"`
81 Genres []string `bson:"genres"`
82 Year int32 `bson:"year"`
83 Score float64 `bson:"score"`
84 }
85
86 var results []ProjectedMovieResult
87 if err = cursor.All(ctx, &results); err != nil {
88 log.Fatalf("failed to unmarshal results to ProjectedMovieResult objects: %v", err)
89 }
90 for _, result := range results {
91 fmt.Printf("Title: %v \nPlot: %v \nGenres: %v \nYear: %v \nScore: %v \n\n", result.Title, result.Plot, result.Genres, result.Year, result.Score)
92 }
93}

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string star wars. Ela especifica operadores de pipeline de agregação e de query de comparação para demonstrar um uso combinado dos operadores para filtrar os dados.

O filtro usa o operador de pipeline de agregação $or para localizar documentos de filme que correspondam a um dos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não são do gênero crime .

  • Filtre pelo campo year para encontrar filmes lançados no ano 2015 ou antes e pelo campo genres para encontrar filmes do gênero action .

1package main
2
3import (
4 "context"
5 "fmt"
6 "log"
7
8 "go.mongodb.org/mongo-driver/bson"
9 "go.mongodb.org/mongo-driver/mongo"
10 "go.mongodb.org/mongo-driver/mongo/options"
11)
12
13func main() {
14 ctx := context.Background()
15
16 // Replace the placeholder with your Atlas connection string
17 const uri = "<connection-string>"
18
19 // Connect to your Atlas cluster
20 clientOptions := options.Client().ApplyURI(uri)
21 client, err := mongo.Connect(ctx, clientOptions)
22 if err != nil {
23 log.Fatalf("failed to connect to the server: %v", err)
24 }
25 defer func() { _ = client.Disconnect(ctx) }()
26
27 // Set the namespace
28 coll := client.Database("sample_mflix").Collection("embedded_movies")
29
30 queryVector := [2048]float64{
31 -0.025189938, 0.014741838, -0.013024342, -0.0197512, 0.011235285, 0.004651551, 0.043509893, 0.003112961, 0.013310592, -0.033348043, 0.037212405, -0.021039322, -0.026048684, 0.012809656, 0.029483676, 0.003578116, -0.044654887, 0.032632418, 0.014312465, -0.058967352, 0.025333062, -0.055246111, 0.02189807, -0.017604331, -0.002880384, 0.045227386, 0.004794675, 0.017604331, 0.023186192, -0.054673612, -0.011306847, -0.012523406, -0.012380281, 0.002540462, 0.015958399, -0.042364895, -0.001467028, -0.020180576, -0.058108605, -0.035065539, 0.010090288, -0.033348043, 0.058394853, -0.013883091, 0.002048471, -0.020753073, -0.029769925, 0.031916797, -0.014741838, -0.040933646, -0.004096943, 0.020753073, -0.002540462, 0.028052431, -0.02404494, 0.006547953, -0.003578116, 0.003757022, 0.019178702, -0.037784904, -0.02833868, 0.01753277, 0.029769925, 0.017747456, -0.031344298, 0.022899942, 0.006333265, 0.010376536, -0.024474313, -0.012094032, -0.004651551, 0.007764512, 0.017962143, 0.013811528, 0.037212405, -0.03148742, 0.000666424, 0.024474313, -0.021325571, 0.041219898, 0.011235285, 0.046658635, 0.019035578, 0.020753073, 0.010662786, -0.001726441, -0.012738093, -0.027193682, -0.014598713, -0.013167467, 0.013596841, 0.001932183, -0.010304974, -0.007478263, 0.005689205, 0.002987727, 0.005724986, 0.002325775, 0.002415228, -0.003828584, -0.029340552, -0.017318081, -0.070417322, 0.003810694, -0.013453716, -0.001628043, -0.027909305, 0.014026215, 0.009589351, 0.004902019, 0.028768053, -0.005259831, -0.010448099, 0.025189938, 0.038357403, 0.048662379, 0.039788652, 0.010448099, 0.001574371, 0.020323699, 0.005510299, 0.026907433, 0.043223642, -0.001153942, -0.010233412, 0.048376128, -0.056104861, 0.006691077, 0.015672149, -0.015028087, 0.036210533, -0.009231539, 0.010519661, 0.022899942, 0.025762435, -0.009052633, -0.0301993, 0.032203045, -0.00522405, 0.029626802, -0.02433119, -0.025619311, 0.016674021, 0.02404494, -0.009589351, -0.026334934, -0.04436864, -0.014455589, 0.02619181, 0.017604331, 0.02189807, -0.007728731, -0.021611821, -0.03363429, 0.008480135, -0.027479932, 0.025046812, -0.006047016, 0.020753073, 0.01016185, -0.034063663, 0.029483676, -0.019035578, 0.041506145, 0.013453716, -0.009159978, 0.007549825, 0.025189938, 0.005152487, -0.009446226, -0.009016853, 0.021325571, 0.030771798, -0.046944883, 0.001314958, 0.021182448, 0.047231134, -0.007048889, -0.030771798, -0.025905561, -0.000612752, -0.023186192, 0.011378409, 0.035065539, 0.007979199, 0.023901815, -0.004973582, 0.005188268, -0.046944883, 0.009374664, 0.047231134, 0.058967352, 0.043509893, 0.011449971, 0.017174957, -0.024188064, -0.025476186, -0.02833868, 0.033061791, 0.015314337, -0.018749328, 0.013382155, 0.007048889, 0.005975454, 0.005295612, -0.013310592, -0.022756819, -0.012523406, -0.03363429, -0.014527151, 0.011449971, 0.01202247, 0.044941138, -0.012594969, 0.002862493, 0.000572499, 0.030628674, -0.0098756, 0.020466823, 0.059539851, -0.00370335, 0.007335138, 0.023901815, 0.023758691, -0.005903892, 0.003918037, 0.013310592, 0.010090288, -0.012809656, -0.010376536, -0.01109216, -0.008086543, 0.012809656, -0.019894326, 0.012738093, 0.056391109, 0.029340552, -0.04436864, -0.001619098, 0.042364895, -0.027623056, 0.011593096, -0.031916797, -0.0301993, 0.032203045, -0.003757022, 0.017174957, 0.033491168, 0.003900147, 0.002325775, 0.006726858, 0.020180576, 0.017389644, 0.009088415, 0.018319955, -0.003631788, 0.00586811, -0.006691077, -0.014240902, -0.009052633, 0.031630546, 0.04436864, -0.022899942, -0.003327648, -0.006691077, 0.013310592, -0.035924286, -0.008158104, -0.005116706, -0.040647399, 0.002397338, 0.014455589, -0.030342424, 0.028624929, -0.031773672, 0.043509893, -0.001833785, -0.025619311, 0.032775544, -0.046944883, 0.013739966, -0.030485548, 0.018319955, 0.016745584, -0.020323699, -0.015815273, -0.020896198, -0.015171212, 0.026334934, 0.035638034, 0.008873728, 0.003291867, -0.02647806, 0.003649678, 0.003613897, 0.009804038, -0.013525278, 0.005367174, 0.007657168, -0.017103394, -0.015815273, -0.000398065, 0.013310592, 0.014240902, 0.003935928, 0.001735386, -0.018606203, 0.008265448, -0.068127327, 0.012165595, -0.007836075, 0.02189807, -0.000983982, 0.019178702, -0.009589351, -0.013739966, -0.007800293, 0.040361151, 0.027623056, -0.002540462, -0.03663991, 0.011163722, -0.016316209, -0.006333265, -0.010877473, -0.023329318, -0.021468697, 0.013596841, 0.032059919, 0.007442481, 0.02433119, -0.003613897, -0.013596841, 0.010448099, 0.010877473, -0.0098756, 0.033920541, -0.006691077, -0.039502401, -0.010877473, -0.016960271, 0.014097777, -0.008122323, 0.007478263, 0.010018725, -0.030485548, -0.011020597, 0.000317558, 0.00461577, 0.020466823, 0.070703574, -0.024617439, 0.002111088, -0.024617439, -0.004204286, -0.048662379, -0.006834202, 0.027766181, -0.002504681, 0.025189938, 0.033920541, -0.02833868, -0.000773768, -0.03578116, 0.015958399, 0.006369046, 0.033204917, -0.006762639, 0.02003745, -0.020180576, 0.015886836, -0.015385899, -0.029340552, -0.009446226, 0.015529023, -0.010376536, -0.012881218, -0.000715623, 0.014312465, -0.029197427, -0.000684315, 0.000360048, 0.015815273, -0.027050557, 0.006655296, 0.018892452, -0.021182448, 0.031201173, 0.014240902, -0.022756819, 0.004365302, -0.020609949, 0.008515916, -0.016244646, 0.001162888, 0.000084421, 0.003273976, -0.017819017, 0.000576971, 0.020753073, -0.004794675, 0.018105267, -0.013095905, -0.028052431, 0.004114834, 0.02833868, -0.027193682, -0.010877473, -0.002576244, 0.011879345, -0.017819017, 0.006726858, -0.021754947, -0.031773672, -0.013382155, 0.024903689, 0.013167467, 0.000033964, 0.034063663, 0.022613693, -0.038357403, -0.010018725, -0.017174957, -0.004418973, 0.02189807, -0.003166633, -0.009589351, 0.009303101, -0.036496785, -0.005760767, -0.006583733, -0.003596007, 0.014026215, -0.003828584, -0.02833868, -0.020896198, 0.001449137, 0.039502401, 0.012881218, 0.025476186, 0.000961619, -0.025762435, 0.002808821, 0.034922414, 0.004687332, -0.046658635, 0.030914923, -0.036067411, 0.008659041, -0.004025381, -0.0301993, -0.026048684, 0.024760563, 0.036496785, -0.029913051, 0.015672149, 0.007764512, 0.01509965, 0.010304974, -0.004490536, -0.007585606, -0.019464951, 0.016602458, -0.007048889, -0.005510299, 0.011163722, 0.013739966, -0.034636162, 0.020609949, -0.004418973, 0.034636162, 0.040933646, 0.031773672, 0.023758691, 0.031344298, -0.006798421, 0.026048684, -0.011521534, 0.020753073, 0.014384027, 0.026334934, -0.034206789, -0.036067411, 0.014598713, 0.023758691, -0.039216153, 0.003363429, 0.002880384, -0.006726858, -0.000916892, -0.001395465, -0.009660914, 0.032059919, 0.008086543, 0.029054303, -0.011593096, 0.065551087, 0.031058047, -0.041219898, -0.014097777, -0.017103394, 0.016244646, -0.028911177, 0.044654887, -0.030771798, 0.024760563, 0.02833868, 0.018248392, 0.026907433, -0.002227377, 0.034063663, 0.000167724, 0.021039322, -0.018892452, 0.012738093, -0.001395465, 0.005760767, -0.024760563, -0.002683587, 0.000230341, -0.0197512, 0.009088415, -0.00400749, -0.026764309, -0.012881218, 0.016101522, -0.009303101, 0.015529023, -0.016817145, 0.014312465, -0.030914923, -0.018463079, 0.020323699, -0.023472441, -0.023758691, -0.005009362, 0.018176829, 0.012738093, 0.009374664, -0.031916797, 0.016387772, 0.027479932, 0.015529023, -0.021325571, 0.020323699, -0.025476186, 0.008515916, -0.039788652, -0.007979199, -0.009947163, -0.006869983, 0.004758894, 0.022613693, -0.013668403, -0.015171212, 0.035351787, -0.022327444, 0.019178702, 0.000404774, -0.003524444, -0.012094032, 0.023901815, -0.0400749, -0.004579989, 0.00245101, 0.013024342, 0.015958399, 0.009517789, 0.034779288, 0.021468697, 0.00062617, 0.007728731, -0.028195554, 0.0301993, -0.002504681, 0.008909509, 0.004651551, -0.007013108, 0.03148742, 0.019608077, 0.002540462, 0.043509893, -0.006190141, 0.024903689, 0.010519661, 0.018319955, 0.010519661, 0.009660914, 0.000966091, -0.004454754, 0.000299667, 0.007907636, -0.018463079, 0.004758894, -0.001851675, 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-0.001628043, 0.022041194, 0.026764309, -0.038643654, -0.009124196, -0.020323699, -0.013883091, 0.02404494, 0.002361557, -0.03234617, -0.0049378, 0.018606203, 0.022327444, 0.043509893, -0.030485548, -0.003560225, 0.007442481, 0.00370335, 0.011449971, 0.023472441, 0.000197915, -0.011950907, 0.023329318, -0.009804038, -0.025619311, 0.0074067, -0.003953818, 0.014312465, 0.048662379, -0.027193682, 0.019894326, -0.042364895, 0.003327648, 0.042937394, -0.040933646, -0.020466823, 0.056104861, 0.020896198, -0.014527151, -0.036210533, -0.022470569, 0.035924286, -0.013167467, -0.055532362, -0.006190141, -0.027909305, 0.012881218, 0.003005618, 0.005689205, 0.01109216, -0.016387772, -0.021468697, 0.018176829, -0.021611821, 0.032918669, 0.002951946, -0.008837947, -0.031773672, -0.029913051, 0.017318081, 0.017461207, -0.02833868, -0.027479932, -0.023615567, 0.037212405, -0.023615567, -0.02404494, 0.029626802, 0.002951946, 0.004043271, -0.001377575, 0.007800293, 0.024188064, -0.027336806, -0.002361557, -0.00307718, -0.025189938, 0.007192013, -0.000207978, 0.040933646, 0.010877473, -0.000720096, -0.006941545, 0.003059289, 0.032775544, -0.007657168, 0.019321827, -0.012094032, 0.042078644, -0.010591224, 0.011807784, -0.016173085, -0.015529023, -0.023615567, 0.016173085, -0.018606203, 0.007192013, -0.008587479, 0.000257177, 0.002245268, -0.011879345, 0.044082388, -0.005939673, -0.003059289, -0.013954652, -0.026621183, 0.039502401, -0.006440609, 0.014384027, 0.012094032, -0.034779288, -0.002379447, 0.023329318, 0.029483676, -0.002325775, -0.001565426, 0.025619311, 0.018606203, -0.016101522, -0.0301993, 0.002576244, 0.035208661, 0.002325775, -0.011664659, -0.022470569, -0.047231134, -0.016888708, -0.017747456, 0.05152487, 0.009374664, -0.010591224, 0.009303101, -0.005009362, -0.029197427, 0.001726441, -0.023758691, -0.002934055, -0.017461207, 0.018606203, -0.002665696, -0.003578116, -0.018606203, -0.004651551, -0.021325571, 0.005367174, -0.009124196, 0.016888708, -0.01295278, 0.002048471, -0.011593096, 0.017604331, -0.008515916, 0.006082797, -0.036067411, -0.027336806, -0.010018725, -0.001306012, 0.026334934, -0.019321827, -0.030914923, -0.026764309, -0.0024689, -0.005581861, -0.002755149, 0.019464951, -0.01295278, 0.011163722, 0.000639588, 0.025476186, 0.029483676, 0.042651143, -0.011306847, 0.002737259, 0.010090288, -0.015600586, 0.038357403, 0.029197427, -0.008193886, 0.044082388, 0.032489292, -0.00123445, -0.008372792, 0.009124196, -0.00309507, -0.041792396, 0.007764512, -0.009947163, 0.044941138, 0.030056175, -0.013024342, -0.019321827, 0.019321827, 0.008551697, -0.053814866, 0.038071156, -0.037784904, 0.012165595, -0.008444354, -0.029626802, -0.006905764, -0.028195554, -0.01080591, -0.0098756, -0.032203045, 0.040361151, -0.033920541, 0.004454754, -0.036067411, 0.011879345, -0.011235285, 0.020609949, -0.004579989, 0.0074067, -0.017103394, 0.01789058, 0.011449971, -0.007836075, 0.000427138, -0.007120451, 0.008337011, 0.00123445, -0.003273976, -0.007263576, -0.011449971, 0.022756819, 0.002576244, -0.013310592, -0.013382155, -0.011664659, -0.013453716, -0.005152487, -0.050379876, -0.034636162, -0.011306847, 0.015028087, 0.008480135, -0.047517382, -0.00586811, -0.008301229, -0.01416934, 0.000876638, 0.000326503, 0.01080591, 0.004150615, 0.005259831, -0.008837947, 0.017031832, -0.016316209, -0.036210533, -0.013883091, -0.000295195, 0.014240902, 0.020753073, -0.022899942, -0.038929902, 0.00586811, -0.008050761, 0.00016437, -0.001932183, 0.001789058, 0.017031832, 0.045227386, -0.016745584, -0.005689205, 0.008372792, 0.008301229, -0.016674021, -0.004222177, 0.005832329, 0.016173085, -0.009374664, -0.006869983, -0.052669868, 0.035065539, 0.000123557, 0.007478263, 0.033491168, 0.054387365, 0.002254213, -0.007836075, -0.020323699, -0.019178702, -0.010376536, -0.039788652, -0.032632418, -0.012380281, -0.002540462, -0.016602458, -0.022756819, 0.019608077, 0.001887456, 0.032918669, 0.008050761, -0.013739966, 0.006547953, -0.016674021, 0.001574371, 0.019321827, -0.016960271, -0.031201173, 0.027766181, 0.006655296, 0.020753073, 0.009804038, 0.024903689, -0.043509893, 0.015815273, -0.017962143, -0.043223642, 0.033920541, -0.007764512, -0.006762639, 0.017819017, -0.026621183, 0.046658635, -0.004490536, 0.024188064, -0.010304974, 0.004651551, 0.047231134, -0.038071156, 0.009589351, -0.033920541, -0.027050557, 0.050093625, 0.008515916, -0.025189938, -0.008050761, 0.011950907, 0.004973582, 0.014527151, -0.009374664, -0.003721241, 0.019608077, 0.049807377, 0.016602458, 0.02404494,
32 }
33
34 genresFilterCondition := bson.D{{"genres", bson.D{{"$ne", "Crime"}}}}
35
36 yearAndGenresFilterCondition := bson.D{
37 {"$and", bson.A{
38 bson.D{{"year", bson.D{{"$lte", 2015}}}},
39 bson.D{{"genres", bson.D{{"$eq", "Action"}}}},
40 }},
41 }
42
43 filter := bson.D{{"$or", bson.A{
44 genresFilterCondition, yearAndGenresFilterCondition,
45 }},
46 }
47
48 vectorSearchStage := bson.D{
49 {"$vectorSearch", bson.D{
50 {"index", "vector_index"},
51 {"path", "plot_embedding_voyage_3_large"},
52 {"filter", filter},
53 {"queryVector", queryVector},
54 {"numCandidates", 200},
55 {"limit", 10},
56 }},
57 }
58
59 projectStage := bson.D{
60 {"$project", bson.D{
61 {"_id", 0},
62 {"plot", 1},
63 {"title", 1},
64 {"genres", 1},
65 {"year", 1},
66 {"score", bson.D{{"$meta", "vectorSearchScore"}}},
67 }}}
68
69 cursor, err := coll.Aggregate(ctx, mongo.Pipeline{vectorSearchStage, projectStage})
70 if err != nil {
71 log.Fatalf("failed to retrieve data from the server: %v", err)
72 }
73 // display the results
74 type ProjectedMovieResult struct {
75 Title string `bson:"title"`
76 Plot string `bson:"plot"`
77 Genres []string `bson:"genres"`
78 Year int32 `bson:"year"`
79 Score float64 `bson:"score"`
80 }
81
82 var results []ProjectedMovieResult
83 if err = cursor.All(ctx, &results); err != nil {
84 log.Fatalf("failed to unmarshal results to ProjectedMovieResult objects: %v", err)
85 }
86 for _, result := range results {
87 fmt.Printf("Title: %v \nPlot: %v \nGenres: %v \nYear: %v \nScore: %v \n\n", result.Title, result.Plot, result.Genres, result.Year, result.Score)
88 }
89}
3

Substitua <connection-string> pela string de conexão do seu cluster do Atlas ou da implantação local do Atlas.

Sua string de conexão deve usar o seguinte formato:

mongodb+srv://<db_username>:<db_password>@<clusterName>.<hostname>.mongodb.net

Para saber mais, consulte Conectar a um cluster via drivers.

Sua string de conexão deve usar o seguinte formato:

mongodb://localhost:<port-number>/?directConnection=true

Para saber mais, consulte Connection strings.

4
go run AtlasVectorSearchTutorial.go
1Title: 3 Ninjas: High Noon at Mega Mountain
2Plot: Three young boys, Rocky, Colt and Tum Tum together with their neighbor girl, computer whiz Amanda are visiting Mega Mountain amusement park when it is invaded by an army of ninjas led by ...
3Genres: [Action Adventure Comedy]
4Year: 1998
5Score: 0.7746343612670898
6
7Title: White Wolves: A Cry in the Wild II
8Plot: A two-week trek through the Cascade Mountains tries the survival instincts of five adventurous teenagers. At first, it's all a good time. Shooting the rapids, exploring caves and making new...
9Genres: [Action Adventure Family]
10Year: 1993
11Score: 0.770106315612793
12
13Title: Space Raiders
14Plot: A futuristic, sensitive tale of adventure and confrontation when a 10 year old boy is accidentally kidnapped by a spaceship filled with a motley crew of space pirates.
15Genres: [Action Adventure Sci-Fi]
16Year: 1983
17Score: 0.7569591999053955
18
19Title: The Ewok Adventure
20Plot: Wicket the Ewok and his friends agree to help two shipwrecked human children on a quest to find their parents.
21Genres: [Adventure Family Fantasy]
22Year: 1984
23Score: 0.7515435218811035
24
25Title: Time Bandits
26Plot: A young boy accidentally joins a band of dwarves as they jump from era to era looking for treasure to steal.
27Genres: [Adventure Comedy Fantasy]
28Year: 1981
29Score: 0.7513599395751953
30
31Title: Chitty Chitty Bang Bang
32Plot: A down-on-his-luck inventor turns a broken-down Grand Prix car into a fancy vehicle for his children, and then they go off on a magical fantasy adventure to save their grandfather in a far-off land.
33Genres: [Adventure Family Fantasy]
34Year: 1968
35Score: 0.7492260932922363
36
37Title: Forest Warrior
38Plot: A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.
39Genres: [Action Adventure Comedy]
40Year: 1996
41Score: 0.7473714351654053
42
43Title: Forest Warrior
44Plot: A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.
45Genres: [Action Adventure Comedy]
46Year: 1996
47Score: 0.7473714351654053
48
49Title: Warriors of Virtue
50Plot: A young boy is whisked away to the mythical land of Tao where he becomes the center of a conflict between an evil lord and a group of animal warriors.
51Genres: [Action Fantasy Adventure]
52Year: 1997
53Score: 0.7464213371276855
54
55Title: Taxandria
56Plot: A young prince is taken for tuition at a seaside hotel but there quickly bores and wanders off to visit a nearby lighthouse. Befriended by the keeper, he learns of a secret world he can see...
57Genres: [Animation Adventure Fantasy]
58Year: 1994
59Score: 0.7453246116638184
go run AtlasVectorSearchTutorial.go
1Title: Star Wars: Episode IV - A New Hope
2Plot: Luke Skywalker joins forces with a Jedi Knight, a cocky pilot, a wookiee and two droids to save the universe from the Empire's world-destroying battle-station, while also attempting to rescue Princess Leia from the evil Darth Vader.
3Genres: [Action Adventure Fantasy]
4Year: 1977
5Score: 0.79868483543396
6
7Title: Dune
8Plot: A Duke's son leads desert warriors against the galactic emperor and his father's evil nemesis when they assassinate his father and free their desert world from the emperor's rule.
9Genres: [Action Adventure Sci-Fi]
10Year: 1984
11Score: 0.7949700355529785
12
13Title: Message from Space
14Plot: In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...
15Genres: [Action Adventure Sci-Fi]
16Year: 1978
17Score: 0.7913978099822998
18
19Title: Message from Space
20Plot: In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...
21Genres: [Action Adventure Sci-Fi]
22Year: 1978
23Score: 0.7913978099822998
24
25Title: Star Wars: Episode V - The Empire Strikes Back
26Plot: After the rebels have been brutally overpowered by the Empire on their newly established base, Luke Skywalker takes advanced Jedi training with Master Yoda, while his friends are pursued by Darth Vader as part of his plan to capture Luke.
27Genres: [Action Adventure Fantasy]
28Year: 1980
29Score: 0.7809884548187256
30
31Title: Star Wars: Episode VI - Return of the Jedi
32Plot: After rescuing Han Solo from the palace of Jabba the Hutt, the rebels attempt to destroy the second Death Star, while Luke struggles to make Vader return from the dark side of the Force.
33Genres: [Action Adventure Fantasy]
34Year: 1983
35Score: 0.7784996032714844
36
37Title: Star Wars: Episode I - The Phantom Menace
38Plot: Two Jedi Knights escape a hostile blockade to find allies and come across a young boy who may bring balance to the Force, but the long dormant Sith resurface to reclaim their old glory.
39Genres: [Action Adventure Fantasy]
40Year: 1999
41Score: 0.7766742706298828
42
43Title: Ewoks: The Battle for Endor
44Plot: The army of the Marauders, led by by King Terak and the witch Charal attack the Ewoks village. The parents and the brother of Cindel all die in this attack. Cindel and the Ewok Wicket ...
45Genres: [Adventure Family Fantasy]
46Year: 1985
47Score: 0.7676119804382324
48
49Title: Krull
50Plot: A prince and a fellowship of companions set out to rescue his bride from a fortress of alien invaders who have arrived on their home planet.
51Genres: [Action Adventure Fantasy]
52Year: 1983
53Score: 0.7624373435974121
54
55Title: Starcrash
56Plot: An outlaw smuggler and her alien companion are recruited by the Emperor of the Galaxy to rescue his son and destroy a secret weapon by the evil Count Zarth Arn.
57Genres: [Action Adventure Fantasy]
58Year: 1978
59Score: 0.7582714557647705
1
2

As queries a seguir usam o estágio do pipeline $vectorSearch para pesquisar filmes que correspondam às incorporações de vetor especificadas. As queries especificam uma pesquisa para até 100 vizinhos mais próximos e limitam os resultados somente para 10 documentos. As queries também especificam um estágio $project para executar as seguintes ações:

  • Exclua o campo _id e inclua somente os campos title, genres, plot e year nos resultados.

  • Adicionar um campo chamado score que exibe a pontuação da pesquisa vetorial para cada documento nos resultados.

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string aventura infantil. Ela especifica vários operadores de query de comparação por campo para pré-filtrar os documentos nos quais executar a pesquisar semântica.

O filtro usa o operador de pipeline de agregação $and para localizar documentos de filme que correspondam aos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não estão no gênero drama, western ou crime, mas sim no gênero action, adventure ou family.

  • Filtre pelo campo year para encontrar filmes que foram lançados entre os anos 1960 e 2000.

1import static com.mongodb.client.model.Aggregates.*;
2import static com.mongodb.client.model.Projections.*;
3import static com.mongodb.client.model.search.SearchPath.fieldPath;
4import static java.util.Arrays.asList;
5
6import com.mongodb.client.MongoClient;
7import com.mongodb.client.MongoClients;
8import com.mongodb.client.MongoCollection;
9import com.mongodb.client.MongoDatabase;
10import com.mongodb.client.model.*;
11import com.mongodb.client.model.search.VectorSearchOptions;
12import java.util.Arrays;
13import java.util.List;
14import com.mongodb.client.model.search.FieldSearchPath;
15import org.bson.Document;
16import org.bson.conversions.Bson;
17
18public class AtlasVectorSearchTutorial {
19 public static void main( String[] args ) {
20 // specify connection
21 String uri = "<connection-string>";
22
23 // establish connection and set namespace
24 try (MongoClient mongoClient = MongoClients.create(uri)) {
25 MongoDatabase database = mongoClient.getDatabase("sample_mflix");
26 MongoCollection<Document> collection = database.getCollection("embedded_movies");
27
28 // define $vectorSearch query options
29 List<Double> queryVector = 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30 String indexName = "vector_index";
31 FieldSearchPath fieldSearchPath = fieldPath("plot_embedding_voyage_3_large");
32 int numCandidates = 200;
33 int limit = 10;
34 List<String> genresNotInCriteria = Arrays.asList("Drama", "Western", "Crime");
35 List<String> genresInCriteria = Arrays.asList("Action", "Adventure", "Family");
36 Bson criteria = Filters.and(
37 Filters.nin("genres", genresNotInCriteria),
38 Filters.in("genres", genresInCriteria),
39 Filters.gte("year", 1960),
40 Filters.lte("year", 2000));
41 VectorSearchOptions options = VectorSearchOptions
42 .approximateVectorSearchOptions(numCandidates)
43 .filter(criteria);
44
45 // define pipeline
46 List<Bson> pipeline = asList(
47 vectorSearch(
48 fieldSearchPath,
49 queryVector,
50 indexName,
51 limit,
52 options),
53 project(
54 fields(exclude("_id"), include("title"), include("plot"), include("year"),
55 include("genres"), metaVectorSearchScore("score"))));
56
57 // run query and print results
58 collection.aggregate(pipeline)
59 .forEach(doc -> System.out.println(doc.toJson()));
60 }
61 }
62}

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string star wars. Ela especifica operadores de pipeline de agregação e de query de comparação para demonstrar um uso combinado dos operadores para filtrar os dados.

O filtro usa o operador de pipeline de agregação $or para localizar documentos de filme que correspondam a um dos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não são do gênero crime .

  • Filtre pelo campo year para encontrar filmes lançados no ano 2015 ou antes e pelo campo genres para encontrar filmes do gênero action .

1import static com.mongodb.client.model.Aggregates.*;
2import static com.mongodb.client.model.Projections.*;
3import static com.mongodb.client.model.search.SearchPath.fieldPath;
4import static java.util.Arrays.asList;
5
6import com.mongodb.client.MongoClient;
7import com.mongodb.client.MongoClients;
8import com.mongodb.client.MongoCollection;
9import com.mongodb.client.MongoDatabase;
10import com.mongodb.client.model.*;
11import com.mongodb.client.model.search.VectorSearchOptions;
12import java.util.List;
13import com.mongodb.client.model.search.FieldSearchPath;
14import org.bson.Document;
15import org.bson.conversions.Bson;
16
17public class AtlasVectorSearchTutorial {
18 public static void main( String[] args ) {
19 // specify connection
20 String uri = "<connection-string>";
21
22 // establish connection and set namespace
23 try (MongoClient mongoClient = MongoClients.create(uri)) {
24 MongoDatabase database = mongoClient.getDatabase("sample_mflix");
25 MongoCollection<Document> collection = database.getCollection("embedded_movies");
26
27 // define $vectorSearch query options
28 List<Double> queryVector = 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3,-0.017962143,-0.043223642,0.033920541,-0.007764512,-0.006762639,0.017819017,-0.026621183,0.046658635,-0.004490536,0.024188064,-0.010304974,0.004651551,0.047231134,-0.038071156,0.009589351,-0.033920541,-0.027050557,0.050093625,0.008515916,-0.025189938,-0.008050761,0.011950907,0.004973582,0.014527151,-0.009374664,-0.003721241,0.019608077,0.049807377,0.016602458,0.02404494));
29 String indexName = "vector_index";
30 FieldSearchPath fieldSearchPath = fieldPath("plot_embedding_voyage_3_large");
31 int numCandidates = 200;
32 int limit = 10;
33 Bson criteria = Filters.or(
34 Filters.lte("year", 2015),
35 Filters.and(
36 Filters.lte("year", 2015),
37 Filters.eq("genres", "Action")));
38 VectorSearchOptions options = VectorSearchOptions
39 .approximateVectorSearchOptions(numCandidates)
40 .filter(criteria);
41
42 // define pipeline
43 List<Bson> pipeline = asList(
44 vectorSearch(
45 fieldSearchPath,
46 queryVector,
47 indexName,
48 limit,
49 options),
50 project(
51 fields(exclude("_id"), include("title"), include("plot"), include("year"),
52 include("genres"), metaVectorSearchScore("score"))));
53
54 // run query and print results
55 collection.aggregate(pipeline)
56 .forEach(doc -> System.out.println(doc.toJson()));
57 }
58 }
59}
3

Substitua <connection-string> pela string de conexão do seu cluster do Atlas ou da implantação local do Atlas.

Sua string de conexão deve usar o seguinte formato:

mongodb+srv://<db_username>:<db_password>@<clusterName>.<hostname>.mongodb.net

Para saber mais, consulte Conectar a um cluster via drivers.

Sua string de conexão deve usar o seguinte formato:

mongodb://localhost:<port-number>/?directConnection=true

Para saber mais, consulte Connection strings.

4
javac AtlasVectorSearchTutorial.java
java AtlasVectorSearchTutorial
1{
2 "plot": 'Three young boys, Rocky, Colt and Tum Tum together with their neighbor girl, computer whiz Amanda are visiting Mega Mountain amusement park when it is invaded by an army of ninjas led by ...',
3 "genres": [ 'Action', 'Adventure', 'Comedy' ],
4 "title": '3 Ninjas: High Noon at Mega Mountain',
5 "year": 1998,
6 "score": 0.7746343612670898
7},
8{
9 "plot": "A two-week trek through the Cascade Mountains tries the survival instincts of five adventurous teenagers. At first, it's all a good time. Shooting the rapids, exploring caves and making new...",
10 "genres": [ 'Action', 'Adventure', 'Family' ],
11 "title": 'White Wolves: A Cry in the Wild II',
12 "year": 1993,
13 "score": 0.770106315612793
14},
15{
16 "plot": 'A futuristic, sensitive tale of adventure and confrontation when a 10 year old boy is accidentally kidnapped by a spaceship filled with a motley crew of space pirates.',
17 "genres": [ 'Action', 'Adventure', 'Sci-Fi' ],
18 "title": 'Space Raiders',
19 "year": 1983,
20 "score": 0.7569591999053955
21},
22{
23 "plot": 'Wicket the Ewok and his friends agree to help two shipwrecked human children on a quest to find their parents.',
24 "genres": [ 'Adventure', 'Family', 'Fantasy' ],
25 "title": 'The Ewok Adventure',
26 "year": 1984,
27 "score": 0.7515435218811035
28},
29{
30 "plot": 'A young boy accidentally joins a band of dwarves as they jump from era to era looking for treasure to steal.',
31 "genres": [ 'Adventure', 'Comedy', 'Fantasy' ],
32 "title": 'Time Bandits',
33 "year": 1981,
34 "score": 0.7513599395751953
35},
36{
37 "plot": 'A down-on-his-luck inventor turns a broken-down Grand Prix car into a fancy vehicle for his children, and then they go off on a magical fantasy adventure to save their grandfather in a far-off land.',
38 "genres": [ 'Adventure', 'Family', 'Fantasy' ],
39 "title": 'Chitty Chitty Bang Bang',
40 "year": 1968,
41 "score": 0.7492260932922363
42},
43{
44 "plot": 'A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.',
45 "genres": [ 'Action', 'Adventure', 'Comedy' ],
46 "title": 'Forest Warrior',
47 "year": 1996,
48 "score": 0.7473714351654053
49},
50{
51 "plot": 'A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.',
52 "genres": [ 'Action', 'Adventure', 'Comedy' ],
53 "title": 'Forest Warrior',
54 "year": 1996,
55 "score": 0.7473714351654053
56},
57{
58 "plot": 'A young boy is whisked away to the mythical land of Tao where he becomes the center of a conflict between an evil lord and a group of animal warriors.',
59 "genres": [ 'Action', 'Fantasy', 'Adventure' ],
60 "title": 'Warriors of Virtue',
61 "year": 1997,
62 "score": 0.7464213371276855
63},
64{
65 "plot": 'A young prince is taken for tuition at a seaside hotel but there quickly bores and wanders off to visit a nearby lighthouse. Befriended by the keeper, he learns of a secret world he can see...',
66 "genres": [ 'Animation', 'Adventure', 'Fantasy' ],
67 "title": 'Taxandria',
68 "year": 1994,
69 "score": 0.7453246116638184
70}
javac AtlasVectorSearchTutorial.java
java AtlasVectorSearchTutorial
1{
2 "plot": "Luke Skywalker joins forces with a Jedi Knight, a cocky pilot, a wookiee and two droids to save the universe from the Empire's world-destroying battle-station, while also attempting to rescue Princess Leia from the evil Darth Vader.",
3 "genres": [ 'Action', 'Adventure', 'Fantasy' ],
4 "title": 'Star Wars: Episode IV - A New Hope',
5 "released": ISODate('1977-05-25T00:00:00.000Z'),
6 "score": 0.79868483543396
7},
8{
9 "plot": "A Duke's son leads desert warriors against the galactic emperor and his father's evil nemesis when they assassinate his father and free their desert world from the emperor's rule.",
10 "genres": [ 'Action', 'Adventure', 'Sci-Fi' ],
11 "title": 'Dune',
12 "released": ISODate('1984-12-14T00:00:00.000Z'),
13 "score": 0.7949700355529785
14},
15{
16 "plot": 'In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...',
17 "genres": [ 'Action', 'Adventure', 'Sci-Fi' ],
18 "title": 'Message from Space',
19 "released": ISODate('1978-10-30T00:00:00.000Z'),
20 "score": 0.7913978099822998
21},
22{
23 "plot": 'In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...',
24 "genres": [ 'Action', 'Adventure', 'Sci-Fi' ],
25 "title": 'Message from Space',
26 "released": ISODate('1978-10-30T00:00:00.000Z'),
27 "score": 0.7913978099822998
28},
29{
30 "plot": 'After the rebels have been brutally overpowered by the Empire on their newly established base, Luke Skywalker takes advanced Jedi training with Master Yoda, while his friends are pursued by Darth Vader as part of his plan to capture Luke.',
31 "genres": [ 'Action', 'Adventure', 'Fantasy' ],
32 "title": 'Star Wars: Episode V - The Empire Strikes Back',
33 "released": ISODate('1980-06-20T00:00:00.000Z'),
34 "score": 0.7809884548187256
35},
36{
37 "plot": 'After rescuing Han Solo from the palace of Jabba the Hutt, the rebels attempt to destroy the second Death Star, while Luke struggles to make Vader return from the dark side of the Force.',
38 "genres": [ 'Action', 'Adventure', 'Fantasy' ],
39 "title": 'Star Wars: Episode VI - Return of the Jedi',
40 "released": ISODate('1983-05-25T00:00:00.000Z'),
41 "score": 0.7784996032714844
42},
43{
44 "plot": 'Two Jedi Knights escape a hostile blockade to find allies and come across a young boy who may bring balance to the Force, but the long dormant Sith resurface to reclaim their old glory.',
45 "genres": [ 'Action', 'Adventure', 'Fantasy' ],
46 "title": 'Star Wars: Episode I - The Phantom Menace',
47 "released": ISODate('1999-05-19T00:00:00.000Z'),
48 "score": 0.7766742706298828
49},
50{
51 "plot": 'The army of the Marauders, led by by King Terak and the witch Charal attack the Ewoks village. The parents and the brother of Cindel all die in this attack. Cindel and the Ewok Wicket ...',
52 "genres": [ 'Adventure', 'Family', 'Fantasy' ],
53 "title": 'Ewoks: The Battle for Endor',
54 "released": ISODate('1985-11-24T00:00:00.000Z'),
55 "score": 0.7676119804382324
56},
57{
58 "plot": 'A prince and a fellowship of companions set out to rescue his bride from a fortress of alien invaders who have arrived on their home planet.',
59 "genres": [ 'Action', 'Adventure', 'Fantasy' ],
60 "title": 'Krull',
61 "released": ISODate('1983-07-29T00:00:00.000Z'),
62 "score": 0.7624373435974121
63},
64{
65 "plot": 'An outlaw smuggler and her alien companion are recruited by the Emperor of the Galaxy to rescue his son and destroy a secret weapon by the evil Count Zarth Arn.',
66 "genres": [ 'Action', 'Adventure', 'Fantasy' ],
67 "title": 'Starcrash',
68 "released": ISODate('1979-03-09T00:00:00.000Z'),
69 "score": 0.7582714557647705
70}
1
2

As queries a seguir usam o estágio do pipeline $vectorSearch para pesquisar filmes que correspondam às incorporações de vetor especificadas. As queries especificam uma pesquisa para até 100 vizinhos mais próximos e limitam os resultados somente para 10 documentos. As queries também especificam um estágio $project para executar as seguintes ações:

  • Exclua o campo _id e inclua somente os campos title, genres, plot e year nos resultados.

  • Adicionar um campo chamado score que exibe a pontuação da pesquisa vetorial para cada documento nos resultados.

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string aventura infantil. Ela especifica vários operadores de query de comparação por campo para pré-filtrar os documentos nos quais executar a pesquisar semântica.

O filtro usa o operador de pipeline de agregação $and para localizar documentos de filme que correspondam aos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não estão no gênero drama, western ou crime, mas sim no gênero action, adventure ou family.

  • Filtre pelo campo year para encontrar filmes que foram lançados entre os anos 1960 e 2000.

1const { MongoClient } = require("mongodb");
2
3// connect to your Atlas cluster
4const uri = "<connection-string>";
5
6const client = new MongoClient(uri);
7
8async function run() {
9 try {
10 await client.connect();
11
12 // set namespace
13 const database = client.db("sample_mflix");
14 const coll = database.collection("embedded_movies");
15
16 // define pipeline
17 const agg = [
18 {
19 '$vectorSearch': {
20 'index': 'vector_index',
21 'path': 'plot_embedding_voyage_3_large',
22 'filter': {
23 '$and': [
24 {
25 'genres': {
26 '$nin': [
27 'Drama', 'Western', 'Crime'
28 ],
29 '$in': [
30 'Action', 'Adventure', 'Family'
31 ]
32 }
33 }, {
34 'year': {
35 '$gte': 1960,
36 '$lte': 2000
37 }
38 }
39 ]
40 },
41 'queryVector': 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42 'numCandidates': 200,
43 'limit': 10
44 }
45 }, {
46 '$project': {
47 '_id': 0,
48 'title': 1,
49 'genres': 1,
50 'plot': 1,
51 'year': 1,
52 'score': {
53 '$meta': 'vectorSearchScore'
54 }
55 }
56 }
57 ];
58
59 // run pipeline
60 const result = coll.aggregate(agg);
61
62 // print results
63 await result.forEach((doc) => console.dir(JSON.stringify(doc)));
64 } finally {
65 await client.close();
66 }
67}
68run().catch(console.dir);

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string star wars. Ela especifica operadores de pipeline de agregação e de query de comparação para demonstrar um uso combinado dos operadores para filtrar os dados.

O filtro usa o operador de pipeline de agregação $or para localizar documentos de filme que correspondam a um dos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não são do gênero crime .

  • Filtre pelo campo year para encontrar filmes lançados no ano 2015 ou antes e pelo campo genres para encontrar filmes do gênero action .

1const { MongoClient } = require("mongodb");
2
3// connect to your Atlas cluster
4const uri = "<connection-string>";
5
6const client = new MongoClient(uri);
7
8async function run() {
9 try {
10 await client.connect();
11
12 // set namespace
13 const database = client.db("sample_mflix");
14 const coll = database.collection("embedded_movies");
15
16 // define pipeline
17 const agg = [
18 {
19 '$vectorSearch': {
20 'index': 'vector_index',
21 'path': 'plot_embedding_voyage_3_large',
22 'filter': {
23 '$or': [
24 {
25 'genres': {
26 '$ne': 'Crime'
27 }
28 }, {
29 '$and': [
30 {
31 'year': {
32 '$lte': 2015
33 }
34 }, {
35 'genres': {
36 '$eq': 'Action'
37 }
38 }
39 ]
40 }
41 ]
42 },
43 'queryVector': 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44 'numCandidates': 200,
45 'limit': 10
46 }
47 }, {
48 '$project': {
49 '_id': 0,
50 'title': 1,
51 'genres': 1,
52 'plot': 1,
53 'released': 1,
54 'score': {
55 '$meta': 'vectorSearchScore'
56 }
57 }
58 }
59 ];
60
61 // run pipeline
62 const result = coll.aggregate(agg);
63
64 // print results
65 await result.forEach((doc) => console.dir(JSON.stringify(doc)));
66 } finally {
67 await client.close();
68 }
69}
70run().catch(console.dir);
3

Substitua <connection-string> pela string de conexão do seu cluster do Atlas ou da implantação local do Atlas.

Sua string de conexão deve usar o seguinte formato:

mongodb+srv://<db_username>:<db_password>@<clusterName>.<hostname>.mongodb.net

Para saber mais, consulte Conectar a um cluster via drivers.

Sua string de conexão deve usar o seguinte formato:

mongodb://localhost:<port-number>/?directConnection=true

Para saber mais, consulte Connection strings.

4

Execute o seguinte comando para consultar sua collection:

node atlas-vector-search-tutorial.js
'{"plot":"Three young boys, Rocky, Colt and Tum Tum together with their neighbor girl, computer whiz Amanda are visiting Mega Mountain amusement park when it is invaded by an army of ninjas led by ...","genres":["Action","Adventure","Comedy"],"title":"3 Ninjas: High Noon at Mega Mountain","year":1998,"score":0.7746343612670898}'
`{"plot":"A two-week trek through the Cascade Mountains tries the survival instincts of five adventurous teenagers. At first, it's all a good time. Shooting the rapids, exploring caves and making new...","genres":["Action","Adventure","Family"],"title":"White Wolves: A Cry in the Wild II","year":1993,"score":0.770106315612793}`
'{"plot":"A futuristic, sensitive tale of adventure and confrontation when a 10 year old boy is accidentally kidnapped by a spaceship filled with a motley crew of space pirates.","genres":["Action","Adventure","Sci-Fi"],"title":"Space Raiders","year":1983,"score":0.7569591999053955}'
'{"plot":"Wicket the Ewok and his friends agree to help two shipwrecked human children on a quest to find their parents.","genres":["Adventure","Family","Fantasy"],"title":"The Ewok Adventure","year":1984,"score":0.7515435218811035}'
'{"plot":"A young boy accidentally joins a band of dwarves as they jump from era to era looking for treasure to steal.","genres":["Adventure","Comedy","Fantasy"],"title":"Time Bandits","year":1981,"score":0.7513599395751953}'
'{"plot":"A down-on-his-luck inventor turns a broken-down Grand Prix car into a fancy vehicle for his children, and then they go off on a magical fantasy adventure to save their grandfather in a far-off land.","genres":["Adventure","Family","Fantasy"],"title":"Chitty Chitty Bang Bang","year":1968,"score":0.7492260932922363}'
'{"plot":"A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.","genres":["Action","Adventure","Comedy"],"title":"Forest Warrior","year":1996,"score":0.7473714351654053}'
'{"plot":"A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.","genres":["Action","Adventure","Comedy"],"title":"Forest Warrior","year":1996,"score":0.7473714351654053}'
'{"plot":"A young boy is whisked away to the mythical land of Tao where he becomes the center of a conflict between an evil lord and a group of animal warriors.","genres":["Action","Fantasy","Adventure"],"title":"Warriors of Virtue","year":1997,"score":0.7464213371276855}'
'{"plot":"A young prince is taken for tuition at a seaside hotel but there quickly bores and wanders off to visit a nearby lighthouse. Befriended by the keeper, he learns of a secret world he can see...","genres":["Animation","Adventure","Fantasy"],"title":"Taxandria","year":1994,"score":0.7453246116638184}'
node atlas-search-tutorial.js
`{"plot":"Luke Skywalker joins forces with a Jedi Knight, a cocky pilot, a wookiee and two droids to save the universe from the Empire's world-destroying battle-station, while also attempting to rescue Princess Leia from the evil Darth Vader.","genres":["Action","Adventure","Fantasy"],"title":"Star Wars: Episode IV - A New Hope","released":"1977-05-25T00:00:00.000Z","score":0.79868483543396}`
`{"plot":"A Duke's son leads desert warriors against the galactic emperor and his father's evil nemesis when they assassinate his father and free their desert world from the emperor's rule.","genres":["Action","Adventure","Sci-Fi"],"title":"Dune","released":"1984-12-14T00:00:00.000Z","score":0.7949700355529785}`
'{"plot":"In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...","genres":["Action","Adventure","Sci-Fi"],"title":"Message from Space","released":"1978-10-30T00:00:00.000Z","score":0.7913978099822998}'
'{"plot":"In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...","genres":["Action","Adventure","Sci-Fi"],"title":"Message from Space","released":"1978-10-30T00:00:00.000Z","score":0.7913978099822998}'
'{"plot":"After the rebels have been brutally overpowered by the Empire on their newly established base, Luke Skywalker takes advanced Jedi training with Master Yoda, while his friends are pursued by Darth Vader as part of his plan to capture Luke.","genres":["Action","Adventure","Fantasy"],"title":"Star Wars: Episode V - The Empire Strikes Back","released":"1980-06-20T00:00:00.000Z","score":0.7809884548187256}'
'{"plot":"After rescuing Han Solo from the palace of Jabba the Hutt, the rebels attempt to destroy the second Death Star, while Luke struggles to make Vader return from the dark side of the Force.","genres":["Action","Adventure","Fantasy"],"title":"Star Wars: Episode VI - Return of the Jedi","released":"1983-05-25T00:00:00.000Z","score":0.7784996032714844}'
'{"plot":"Two Jedi Knights escape a hostile blockade to find allies and come across a young boy who may bring balance to the Force, but the long dormant Sith resurface to reclaim their old glory.","genres":["Action","Adventure","Fantasy"],"title":"Star Wars: Episode I - The Phantom Menace","released":"1999-05-19T00:00:00.000Z","score":0.7766742706298828}'
'{"plot":"The army of the Marauders, led by by King Terak and the witch Charal attack the Ewoks village. The parents and the brother of Cindel all die in this attack. Cindel and the Ewok Wicket ...","genres":["Adventure","Family","Fantasy"],"title":"Ewoks: The Battle for Endor","released":"1985-11-24T00:00:00.000Z","score":0.7676119804382324}'
'{"plot":"A prince and a fellowship of companions set out to rescue his bride from a fortress of alien invaders who have arrived on their home planet.","genres":["Action","Adventure","Fantasy"],"title":"Krull","released":"1983-07-29T00:00:00.000Z","score":0.7624373435974121}'
'{"plot":"An outlaw smuggler and her alien companion are recruited by the Emperor of the Galaxy to rescue his son and destroy a secret weapon by the evil Count Zarth Arn.","genres":["Action","Adventure","Fantasy"],"title":"Starcrash","released":"1979-03-09T00:00:00.000Z","score":0.7582714557647705}'
1
2

As queries a seguir usam o estágio do pipeline $vectorSearch para pesquisar filmes que correspondam às incorporações de vetor especificadas. As queries especificam uma pesquisa para até 100 vizinhos mais próximos e limitam os resultados somente para 10 documentos. As queries também especificam um estágio $project para executar as seguintes ações:

  • Exclua o campo _id e inclua somente os campos title, genres, plot e year nos resultados.

  • Adicionar um campo chamado score que exibe a pontuação da pesquisa vetorial para cada documento nos resultados.

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string aventura infantil. Ela especifica vários operadores de query de comparação por campo para pré-filtrar os documentos nos quais executar a pesquisar semântica.

O filtro usa o operador de pipeline de agregação $and para localizar documentos de filme que correspondam aos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não estão no gênero drama, western ou crime, mas sim no gênero action, adventure ou family.

  • Filtre pelo campo year para encontrar filmes que foram lançados entre os anos 1960 e 2000.

1import pymongo
2
3# connect to your Atlas cluster
4client = pymongo.MongoClient("<connection-string>")
5
6# define pipeline
7pipeline = [
8 {
9 '$vectorSearch': {
10 'index': 'vector_index',
11 'path': 'plot_embedding_voyage_3_large',
12 'filter': {
13 '$and': [
14 {
15 'genres': {
16 '$nin': [
17 'Drama', 'Western', 'Crime'
18 ],
19 '$in': [
20 'Action', 'Adventure', 'Family'
21 ]
22 }
23 }, {
24 'year': {
25 '$gte': 1960,
26 '$lte': 2000
27 }
28 }
29 ]
30 },
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32 'numCandidates': 200,
33 'limit': 10
34 }
35 }, {
36 '$project': {
37 '_id': 0,
38 'title': 1,
39 'genres': 1,
40 'plot': 1,
41 'year': 1,
42 'score': {
43 '$meta': 'vectorSearchScore'
44 }
45 }
46 }
47]
48
49# run pipeline
50result = client["sample_mflix"]["embedded_movies"].aggregate(pipeline)
51
52# print results
53for i in result:
54 print(i)

A query a seguir pesquisa o campo plot_embedding_voyage_3_large usando as incorporações vetoriais para a string star wars. Ela especifica operadores de pipeline de agregação e de query de comparação para demonstrar um uso combinado dos operadores para filtrar os dados.

O filtro usa o operador de pipeline de agregação $or para localizar documentos de filme que correspondam a um dos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não são do gênero crime .

  • Filtre pelo campo year para encontrar filmes lançados no ano 2015 ou antes e pelo campo genres para encontrar filmes do gênero action .

1import pymongo
2
3# connect to your Atlas cluster
4client = pymongo.MongoClient("<connection-string>")
5
6# define pipeline
7pipeline = [
8 {
9 '$vectorSearch': {
10 'index': 'vector_index',
11 'path': 'plot_embedding_voyage_3_large',
12 'filter': {
13 '$or': [
14 {
15 'genres': {
16 '$ne': 'Crime'
17 }
18 }, {
19 '$and': [
20 {
21 'year': {
22 '$lte': 2015
23 }
24 }, {
25 'genres': {
26 '$eq': 'Action'
27 }
28 }
29 ]
30 }
31 ]
32 },
33 'queryVector': 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7962143,-0.043223642,0.033920541,-0.007764512,-0.006762639,0.017819017,-0.026621183,0.046658635,-0.004490536,0.024188064,-0.010304974,0.004651551,0.047231134,-0.038071156,0.009589351,-0.033920541,-0.027050557,0.050093625,0.008515916,-0.025189938,-0.008050761,0.011950907,0.004973582,0.014527151,-0.009374664,-0.003721241,0.019608077,0.049807377,0.016602458,0.02404494],
34 'numCandidates': 200,
35 'limit': 10
36 }
37 }, {
38 '$project': {
39 '_id': 0,
40 'title': 1,
41 'genres': 1,
42 'plot': 1,
43 'year': 1,
44 'score': {
45 '$meta': 'vectorSearchScore'
46 }
47 }
48 }
49]
50
51# run pipeline
52result = client["sample_mflix"]["embedded_movies"].aggregate(pipeline)
53
54# print results
55for i in result:
56 print(i)
3

Substitua <connection-string> pela string de conexão do seu cluster do Atlas ou da implantação local do Atlas.

Sua string de conexão deve usar o seguinte formato:

mongodb+srv://<db_username>:<db_password>@<clusterName>.<hostname>.mongodb.net

Para saber mais, consulte Conectar a um cluster via drivers.

Sua string de conexão deve usar o seguinte formato:

mongodb://localhost:<port-number>/?directConnection=true

Para saber mais, consulte Connection strings.

4
python atlas-vector-search-tutorial.py
{'plot': 'Three young boys, Rocky, Colt and Tum Tum together with their neighbor girl, computer whiz Amanda are visiting Mega Mountain amusement park when it is invaded by an army of ninjas led by ...', 'genres': ['Action', 'Adventure', 'Comedy'], 'title': '3 Ninjas: High Noon at Mega Mountain', 'year': 1998, 'score': 0.7746343612670898}
{'plot': "A two-week trek through the Cascade Mountains tries the survival instincts of five adventurous teenagers. At first, it's all a good time. Shooting the rapids, exploring caves and making new...", 'genres': ['Action', 'Adventure', 'Family'], 'title': 'White Wolves: A Cry in the Wild II', 'year': 1993, 'score': 0.770106315612793}
{'plot': 'A futuristic, sensitive tale of adventure and confrontation when a 10 year old boy is accidentally kidnapped by a spaceship filled with a motley crew of space pirates.', 'genres': ['Action', 'Adventure', 'Sci-Fi'], 'title': 'Space Raiders', 'year': 1983, 'score': 0.7569591999053955}
{'plot': 'Wicket the Ewok and his friends agree to help two shipwrecked human children on a quest to find their parents.', 'genres': ['Adventure', 'Family', 'Fantasy'], 'title': 'The Ewok Adventure', 'year': 1984, 'score': 0.7515435218811035}
{'plot': 'A young boy accidentally joins a band of dwarves as they jump from era to era looking for treasure to steal.', 'genres': ['Adventure', 'Comedy', 'Fantasy'], 'title': 'Time Bandits', 'year': 1981, 'score': 0.7513599395751953}
{'plot': 'A down-on-his-luck inventor turns a broken-down Grand Prix car into a fancy vehicle for his children, and then they go off on a magical fantasy adventure to save their grandfather in a far-off land.', 'genres': ['Adventure', 'Family', 'Fantasy'], 'title': 'Chitty Chitty Bang Bang', 'year': 1968, 'score': 0.7492260932922363}
{'plot': 'A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.', 'genres': ['Action', 'Adventure', 'Comedy'], 'title': 'Forest Warrior', 'year': 1996, 'score': 0.7473714351654053}
{'plot': 'A shape-shifting mountain man and a group of children team up to protect an enchanted forest from evil lumberjacks.', 'genres': ['Action', 'Adventure', 'Comedy'], 'title': 'Forest Warrior', 'year': 1996, 'score': 0.7473714351654053}
{'plot': 'A young boy is whisked away to the mythical land of Tao where he becomes the center of a conflict between an evil lord and a group of animal warriors.', 'genres': ['Action', 'Fantasy', 'Adventure'], 'title': 'Warriors of Virtue', 'year': 1997, 'score': 0.7464213371276855}
{'plot': 'A young prince is taken for tuition at a seaside hotel but there quickly bores and wanders off to visit a nearby lighthouse. Befriended by the keeper, he learns of a secret world he can see...', 'genres': ['Animation', 'Adventure', 'Fantasy'], 'title': 'Taxandria', 'year': 1994, 'score': 0.7453246116638184}
python atlas-vector-search-tutorial.py
{'year': 1977, 'plot': "Luke Skywalker joins forces with a Jedi Knight, a cocky pilot, a wookiee and two droids to save the universe from the Empire's world-destroying battle-station, while also attempting to rescue Princess Leia from the evil Darth Vader.", 'genres': ['Action', 'Adventure', 'Fantasy'], 'title': 'Star Wars: Episode IV - A New Hope', 'score': 0.79868483543396}
{'plot': "A Duke's son leads desert warriors against the galactic emperor and his father's evil nemesis when they assassinate his father and free their desert world from the emperor's rule.", 'genres': ['Action', 'Adventure', 'Sci-Fi'], 'title': 'Dune', 'year': 1984, 'score': 0.7949700355529785}
{'plot': 'In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...', 'genres': ['Action', 'Adventure', 'Sci-Fi'], 'title': 'Message from Space', 'year': 1978, 'score': 0.7913978099822998}
{'plot': 'In this Star Wars take-off, the peaceful planet of Jillucia has been nearly wiped out by the Gavanas, whose leader takes orders from his mother (played a comic actor in drag) rather than ...', 'genres': ['Action', 'Adventure', 'Sci-Fi'], 'title': 'Message from Space', 'year': 1978, 'score': 0.7913978099822998}
{'year': 1980, 'plot': 'After the rebels have been brutally overpowered by the Empire on their newly established base, Luke Skywalker takes advanced Jedi training with Master Yoda, while his friends are pursued by Darth Vader as part of his plan to capture Luke.', 'genres': ['Action', 'Adventure', 'Fantasy'], 'title': 'Star Wars: Episode V - The Empire Strikes Back', 'score': 0.7809884548187256}
{'plot': 'After rescuing Han Solo from the palace of Jabba the Hutt, the rebels attempt to destroy the second Death Star, while Luke struggles to make Vader return from the dark side of the Force.', 'genres': ['Action', 'Adventure', 'Fantasy'], 'title': 'Star Wars: Episode VI - Return of the Jedi', 'year': 1983, 'score': 0.7784996032714844}
{'plot': 'Two Jedi Knights escape a hostile blockade to find allies and come across a young boy who may bring balance to the Force, but the long dormant Sith resurface to reclaim their old glory.', 'genres': ['Action', 'Adventure', 'Fantasy'], 'title': 'Star Wars: Episode I - The Phantom Menace', 'year': 1999, 'score': 0.7766742706298828}
{'plot': 'The army of the Marauders, led by by King Terak and the witch Charal attack the Ewoks village. The parents and the brother of Cindel all die in this attack. Cindel and the Ewok Wicket ...', 'genres': ['Adventure', 'Family', 'Fantasy'], 'title': 'Ewoks: The Battle for Endor', 'year': 1985, 'score': 0.7676119804382324}
{'plot': 'A prince and a fellowship of companions set out to rescue his bride from a fortress of alien invaders who have arrived on their home planet.', 'genres': ['Action', 'Adventure', 'Fantasy'], 'title': 'Krull', 'year': 1983, 'score': 0.7624373435974121}
{'plot': 'An outlaw smuggler and her alien companion are recruited by the Emperor of the Galaxy to rescue his son and destroy a secret weapon by the evil Count Zarth Arn.', 'genres': ['Action', 'Adventure', 'Fantasy'], 'title': 'Starcrash', 'year': 1978, 'score': 0.7582714557647705}

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