MariaDBFetchRowCommand.h

Go to the documentation of this file.

/*
 * SNode.C - a slim toolkit for network communication
 * Copyright (C) Volker Christian <me@vchrist.at>
 *               2020, 2021, 2022, 2023, 2024, 2025
 *               2021, 2022 Daniel Flockert
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef DATABASE_MARIADB_COMMANDS_ASYNC_MARIADBFETCHROWCOMMAND
#define DATABASE_MARIADB_COMMANDS_ASYNC_MARIADBFETCHROWCOMMAND
 
#include "database/mariadb/MariaDBCommandASync.h" // IWYU pragma: export
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
 
namespace database::mariadb::commands::async {
 
    class MariaDBFetchRowCommand : public MariaDBCommandASync {
    public:
        MariaDBFetchRowCommand(MYSQL_RES*& result,
                               const std::function<void(const MYSQL_ROW)>& onRow,
                               const std::function<void(const std::string&, unsigned int)>& onError);
 
    private:
        int commandStart() override;
        int commandContinue(int status) override;
        bool commandCompleted() override;
        void commandError(const std::string& errorString, unsigned int errorNumber) override;
 
        MYSQL_RES*& result;
        MYSQL_ROW row = nullptr;
 
        std::function<void(const MYSQL_ROW)> onRow;
    };
 
} // namespace database::mariadb::commands::async
 
#endif // DATABASE_MARIADB_COMMANDS_ASYNC_MARIADBFETCHROWCOMMAND