Method AddAsyncRpcHandler

src/catalog/client_manager.h:99–103

    AsyncTablesHandler();
    ~AsyncTablesHandler() {}
    void AddAsyncRpcHandler(std::shared_ptr<TableHandler> handler, const std::vector<size_t>& pos_info) {
        handlers_.push_back(handler);
        posinfos_.push_back(pos_info);
        rows_cnt_ += pos_info.size();
    }
    const uint64_t GetCount() override {
        if (status_.isRunning()) {
            SyncAllTableHandlers();