najdete v dokumentech BSON s ovladačem MongoDB C++

Zde je pro vás ukázka. Nemám moc na mongo cxx, takže si nejsem jistý syntaxí.

bsoncxx::builder::stream::document filter_builder;
filter_builder << "$or" << "Builds.level" 
    << open_document << "$gte" << 1 << "$lte" << 5 << close_document
    << open_document << "abs.status" << "$gte" << 2 << "$lte" << 5 
        << close_document << close_array;

auto cursor = db["your collection name"].find(filter_builder.view());
for (auto&& doc : cursor) {
    std::cout << bsoncxx::to_json(doc) << std::endl;
}