Working non-streaming serializer and read-only model

src/ifcparse/IfcParse.cpp

@@ -2436,15 +2436,16 @@ aggregate_of_instance::ptr IfcFile::getInverse(int instance_id, const IfcParse::
             } else if constexpr (std::is_same_v<std::decay_t<decltype(x)>, impl::rocks_db_file_storage>) {
                 if (attribute_index == -1) {
                     // @todo no lower/upper_bounds() implemented yet
-                    auto prefix = "v|" + std::to_string(instance_id) + "|";
+                    auto prefix = "v|" + std::to_string(instance_id) + "|" + std::to_string(ent->index_in_schema()) + "|";
                     auto it = x.db->NewIterator(rocksdb::ReadOptions());
                     it->Seek(prefix);
                     while (it->Valid() && it->key().starts_with(prefix)) {
-                        std::vector<size_t> vals(it->value().size() / sizeof(size_t));
+                        std::vector<uint32_t> vals(it->value().size() / sizeof(uint32_t));
                         memcpy(vals.data(), it->value().data(), it->value().size());
                         for (auto& v : vals) {
                             return_value->push(instance_by_id(v));
                         }
+                        it->Next();
                     }
                 } else {
                     auto it = x.byref_excl_.find({ instance_id, ent->index_in_schema(), attribute_index });