using System;
using System.Collections.Generic;
using System.Linq;
using MongoDB.Bson;
using MongoDB.Driver;
using MongoDB.Driver.Linq;

var settings = new MongoClientSettings { LinqProvider = LinqProvider.V3 };
var client = new MongoClient(settings);
var db = client.GetDatabase("test");
var people = db.GetCollection<Person>("people");
var movies = db.GetCollection<Movie>("movies");

var query = from movie in movies.AsQueryable()
            from person in people.AsQueryable(new AggregateOptions())
            where person.MovieIds.Contains(movie.Id)
            select new { movie, person };

foreach (var tuple in query.ToList())
{
    Console.WriteLine(tuple);
}

class Movie
{
    public ObjectId Id { get; set; }
}

class Person
{
    public IEnumerable<ObjectId> MovieIds { get; set; }
}

/Users/james/Dropbox/code/mongodb/mongo-csharp-driver/tests/MongoDB.Driver.TestConsoleApplication/bin/Debug/netcoreapp3.1/MongoDB.Driver.TestConsoleApplication
Unhandled exception. System.InvalidOperationException: Cannot find serializer for test.people.Aggregate([]).
   at MongoDB.Driver.Linq.Linq3Implementation.Serializers.KnownSerializers.KnownSerializersRegistry.GetSerializer(Expression expression, IBsonSerializer defaultSerializer) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Serializers/KnownSerializers/KnownSerializersRegistry.cs:line 43
   at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToAggregationExpressionTranslators.ConstantExpressionToAggregationExpressionTranslator.Translate(TranslationContext context, ConstantExpression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/ConstantExpressionToAggregationExpressionTranslator.cs:line 50
   at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToAggregationExpressionTranslators.ExpressionToAggregationExpressionTranslator.Translate(TranslationContext context, Expression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/ExpressionToAggregationExpressionTranslator.cs:line 65
   at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToAggregationExpressionTranslators.ExpressionToAggregationExpressionTranslator.TranslateLambdaBody(TranslationContext context, LambdaExpression lambdaExpression, IBsonSerializer parameterSerializer, Boolean asRoot) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/ExpressionToAggregationExpressionTranslator.cs:line 115
   at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToPipelineTranslators.SelectManyMethodToPipelineTranslator.TranslateSelectManyWithCollectionSelectorAndResultSelector(TranslationContext context, AstPipeline pipeline, ReadOnlyCollection`1 arguments) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToPipelineTranslators/SelectManyMethodToPipelineTranslator.cs:line 97
   at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToPipelineTranslators.SelectManyMethodToPipelineTranslator.Translate(TranslationContext context, MethodCallExpression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToPipelineTranslators/SelectManyMethodToPipelineTranslator.cs:line 62
   at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToPipelineTranslators.ExpressionToPipelineTranslator.Translate(TranslationContext context, Expression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToPipelineTranslators/ExpressionToPipelineTranslator.cs:line 57
   at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToPipelineTranslators.WhereMethodToPipelineTranslator.Translate(TranslationContext context, MethodCallExpression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToPipelineTranslators/WhereMethodToPipelineTranslator.cs:line 36
   at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToPipelineTranslators.ExpressionToPipelineTranslator.Translate(TranslationContext context, Expression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToPipelineTranslators/ExpressionToPipelineTranslator.cs:line 63
   at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToPipelineTranslators.SelectMethodToPipelineTranslator.Translate(TranslationContext context, MethodCallExpression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToPipelineTranslators/SelectMethodToPipelineTranslator.cs:line 35
   at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToPipelineTranslators.ExpressionToPipelineTranslator.Translate(TranslationContext context, Expression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToPipelineTranslators/ExpressionToPipelineTranslator.cs:line 55
   at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToExecutableQueryTranslators.ExpressionToExecutableQueryTranslator.Translate[TDocument,TOutput](MongoQueryProvider`1 provider, Expression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToExecutableQueryTranslators/ExpressionToExecutableQueryTranslator.cs:line 34
   at MongoDB.Driver.Linq.Linq3Implementation.MongoQuery`2.Execute() in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/MongoQuery.cs:line 66
   at MongoDB.Driver.Linq.Linq3Implementation.MongoQuery`2.GetEnumerator() in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/MongoQuery.cs:line 78
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Program.<Main>$(String[] args) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/tests/MongoDB.Driver.TestConsoleApplication/Program.cs:line 18

Process finished with exit code 134.