埋め込みドキュメントのフィールドに対して Atlas Search クエリを実行する方法

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using MongoDB.Bson;
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using MongoDB.Bson.Serialization.Attributes;
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using MongoDB.Bson.Serialization.Conventions;
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using MongoDB.Driver;
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using MongoDB.Driver.Search;
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public class NestedArrayExample
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{
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    private const string MongoConnectionString = "<connection-string>";
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    public static void Main(string[] args)
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    {
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        // allow automapping of the camelCase database fields to our SchoolDocument
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        var camelCaseConvention = new ConventionPack { new CamelCaseElementNameConvention() };
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        ConventionRegistry.Register("CamelCase", camelCaseConvention, type => true);
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        // connect to your Atlas cluster
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        var mongoClient = new MongoClient(MongoConnectionString);
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        var districtSchoolsDatabase = mongoClient.GetDatabase("local_school_district");
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        var schoolsCollection = districtSchoolsDatabase.GetCollection<SchoolDocument>("schools");
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        // define variables for query 
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        var compoundQuery = Builders<TeacherDocument>.Search.Compound()
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            .Must(Builders<TeacherDocument>.Search.Text(teacher => teacher.First, "John"))
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            .Should(Builders<TeacherDocument>.Search.Text(teacher => teacher.Last, "Smith"));
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        var opts = new SearchHighlightOptions<SchoolDocument>(school => school.Teachers.Select(teacher => teacher.Last));;
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        // define and run pipeline
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        var results = schoolsCollection.Aggregate()
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            .Search(Builders<SchoolDocument>.Search.EmbeddedDocument(
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                school => school.Teachers, compoundQuery), opts,
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                indexName: "embedded-documents-tutorial"
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            )
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            .Project<SchoolDocument>(Builders<SchoolDocument>.Projection
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                .Include(school => school.Name)
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                .Include(school => school.Mascot)
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                .Include(school => school.Teachers)
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                .MetaSearchScore(school => school.Score)
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                .MetaSearchHighlights("highlights"))
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            .ToList();
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        // print results
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        foreach (var school in results)
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        {
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            Console.WriteLine(school.ToJson());
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        }
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    }
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}
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[BsonIgnoreExtraElements]
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public class SchoolDocument
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{
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    public int Id { get; set; }
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    public string Name { get; set; }
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    public string Mascot { get; set; }
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    public TeacherDocument[] Teachers { get; set; }
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    [BsonElement("highlights")]
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    public List<SearchHighlight> Highlights { get; set; }
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    public double Score { get; set; }
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}
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[BsonIgnoreExtraElements]
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public class TeacherDocument
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{
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    public string First { get; set; }
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    public string Last { get; set; }
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    public ClassDocument[] Classes { get; set; }
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}
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[BsonIgnoreExtraElements]
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public class ClassDocument
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{
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    public string Subject { get; set; }
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    public string Grade { get; set; }
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}

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using MongoDB.Bson;
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using MongoDB.Bson.Serialization.Attributes;
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using MongoDB.Bson.Serialization.Conventions;
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using MongoDB.Driver;
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using MongoDB.Driver.Search;
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using System;
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using System.Collections.Generic;
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using System.Reflection.Emit;
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public class NestedArrayWithinObjectExample
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{
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    private const string MongoConnectionString = "<connection-string>";
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    public static void Main(string[] args)
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    {
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        // allow automapping of the camelCase database fields to our SchoolDocument
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        var camelCaseConvention = new ConventionPack { new CamelCaseElementNameConvention() };
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        ConventionRegistry.Register("CamelCase", camelCaseConvention, type => true);
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        // connect to your Atlas cluster
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        var mongoClient = new MongoClient(MongoConnectionString);
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        var districtSchoolsDatabase = mongoClient.GetDatabase("local_school_district");
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        var schoolsCollection = districtSchoolsDatabase.GetCollection<SchoolDocument>("schools");
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        // define variables for query 
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        var queryStringQuery = Builders<ExtraCurricularDocument>.Search.QueryString(
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            sport => sport.ClubName, "dodgeball OR frisbee"
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        );
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        // define and run pipeline
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        var results = schoolsCollection.Aggregate()
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            .Search(Builders<SchoolDocument>.Search.EmbeddedDocument(
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                school => school.Clubs.Sports, queryStringQuery),
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                indexName: "embedded-documents-tutorial"
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            )
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            .Project<SchoolDocument>(Builders<SchoolDocument>.Projection
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                .Include(school => school.Clubs)
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                .Include(school => school.Name)
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                .Include(school => school.Id)
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                .MetaSearchScore(school => school.Score))
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            .ToList();
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        // print results
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        foreach (var school in results)
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        {
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            Console.WriteLine(school.ToJson());
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        }
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    }
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}
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[BsonIgnoreExtraElements]
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public class SchoolDocument
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{
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    public int Id { get; set; }
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    public string Name { get; set; }
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    public ClubDocument Clubs { get; set; } 
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    public double Score { get; set; }
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}
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[BsonIgnoreExtraElements]
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public class ClubDocument
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{
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    public ExtraCurricularDocument[] Sports { get; set; }
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}
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[BsonIgnoreExtraElements]
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public class ExtraCurricularDocument
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{
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    [BsonElement("club_name")]
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    public string ClubName { get; set; }
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    public string Description { get; set; }
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}

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using MongoDB.Bson;
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using MongoDB.Bson.Serialization.Attributes;
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using MongoDB.Bson.Serialization.Conventions;
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using MongoDB.Driver;
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using MongoDB.Driver.Search;
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public class NestedArrayWithinArrayExample
8
{
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    private const string MongoConnectionString = "<connection-string>";
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    public static void Main(string[] args)
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    {
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        // allow automapping of the camelCase database fields to our SchoolDocument
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        var camelCaseConvention = new ConventionPack { new CamelCaseElementNameConvention() };
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        ConventionRegistry.Register("CamelCase", camelCaseConvention, type => true);
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        // connect to your Atlas cluster
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        var mongoClient = new MongoClient(MongoConnectionString);
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        var districtSchoolsDatabase = mongoClient.GetDatabase("local_school_district");
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        var schoolsCollection = districtSchoolsDatabase.GetCollection<SchoolDocument>("schools");
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        // define variables for query 
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        var mustQuery = Builders<ClassDocument>.Search.Compound()
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            .Must(Builders<ClassDocument>.Search.Text(classes => classes.Grade, "12th"), Builders<ClassDocument>.Search.Text(classes => classes.Subject, "science"));
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        var compoundQuery = Builders<TeacherDocument>.Search.Compound()
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            .Must(Builders<TeacherDocument>.Search.EmbeddedDocument(teacher => teacher.Classes, mustQuery))
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            .Should(Builders<TeacherDocument>.Search.Text(teacher => teacher.Last, "smith"));
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        var opts = new SearchHighlightOptions<SchoolDocument>("teachers.classes.subject");
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        // define and run pipeline
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        var results = schoolsCollection.Aggregate()
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            .Search(Builders<SchoolDocument>.Search.EmbeddedDocument(
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                school => school.Teachers, compoundQuery), opts,
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                indexName: "embedded-documents-tutorial"
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            )
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            .Project<SchoolDocument>(Builders<SchoolDocument>.Projection
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                .Include(school => school.Teachers)
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                .MetaSearchScore(school => school.Score)
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                .MetaSearchHighlights("highlights"))
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            .ToList();
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        // print results
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        foreach (var school in results)
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        {
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            Console.WriteLine(school.ToJson());
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        }
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    }
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}
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[BsonIgnoreExtraElements]
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public class SchoolDocument
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{
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    public int Id { get; set; }
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    public TeacherDocument[] Teachers { get; set; }
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    [BsonElement("highlights")]
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    public List<SearchHighlight> Highlights { get; set; }
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    public double Score { get; set; }
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}
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[BsonIgnoreExtraElements]
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public class TeacherDocument
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{
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    public string First { get; set; }
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    public string Last { get; set; }
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    public ClassDocument[] Classes { get; set; }
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}
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[BsonIgnoreExtraElements]
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public class ClassDocument
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{
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    public string Subject { get; set; }
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    public string Grade { get; set; }
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}

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package main
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import (
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	"context"
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	"fmt"
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	"go.mongodb.org/mongo-driver/v2/bson"
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	"go.mongodb.org/mongo-driver/v2/mongo"
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	"go.mongodb.org/mongo-driver/v2/mongo/options"
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)
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func main() {
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	// Connects to your Atlas cluster
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	client, err := mongo.Connect(options.Client().ApplyURI("<connection-string>"))
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	if err != nil {
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		panic(err)
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	}
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	defer client.Disconnect(context.TODO())
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	// Sets the namespace
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	collection := client.Database("local_school_district").Collection("schools")
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	searchStage := bson.D{{Key: "$search", Value: bson.M{
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		"index": "embedded-documents-tutorial",
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		"embeddedDocument": bson.M{
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			"path": "teachers", "operator": bson.M{
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				"compound": bson.M{
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					"must": bson.A{
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						bson.M{
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							"text": bson.D{
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								{Key: "path", Value: "teachers.first"},
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								{Key: "query", Value: "John"},
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							},
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						},
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					},
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					"should": bson.A{
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						bson.M{
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							"text": bson.D{
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								{Key: "path", Value: "teachers.last"},
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								{Key: "query", Value: "Smith"},
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							},
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						},
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					},
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				},
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			},
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		},
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		"highlight": bson.D{{Key: "path", Value: "teachers.last"}},
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	}}}
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	projectStage := bson.D{
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		{Key: "$project", Value: bson.D{
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			{Key: "teachers", Value: 1},
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			{Key: "score", Value: bson.D{{Key: "$meta", Value: "searchScore"}}},
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			{Key: "highlights", Value: bson.D{{Key: "$meta", Value: "searchHighlights"}}},
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		}},
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	}
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	// Runs the pipeline
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	cursor, err := collection.Aggregate(context.TODO(), mongo.Pipeline{searchStage, projectStage})
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	if err != nil {
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		panic(err)
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	}
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	// Prints the results
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	var results []bson.D
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	if err = cursor.All(context.TODO(), &results); err != nil {
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		panic(err)
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	}
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	for _, result := range results {
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		fmt.Println(result)
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	}
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}