Driver should not allow insertion of docs with dots in keys

func main() {

	client, err := mongo.NewClient(options.Client().ApplyURI("mongodb://localhost:27017"))

	if err != nil {

		panic(err)

	}

	ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)

	defer cancel()

	err = client.Connect(ctx)

	if err != nil {

		panic(err)

	}

	collection := client.Database("test").Collection("dottest")

	res, err := collection.InsertOne(context.Background(), bson.M{"hello.world": "world"})

	if err != nil {

		panic(err)

	}

	id := res.InsertedID

	fmt.Println("Inserted", id)

	res, err = collection.InsertOne(context.Background(), bson.D{{"hello.world", "world"}})

	if err != nil {

		panic(err)

	}

	id = res.InsertedID

	fmt.Println("Inserted", id)

}

MongoDB Enterprise > db.dottest.find()

{ "_id" : ObjectId("5cc1a94223fd3159fd7faf96"), "hello.world" : "world" }

{ "_id" : ObjectId("5cc1a94223fd3159fd7faf97"), "hello.world" : "world" }