MariaDBFetchRowCommand.cpp

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/*
 * SNode.C - A Slim Toolkit for Network Communication
 * Copyright (C) Volker Christian <me@vchrist.at>
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 *               2021, 2022 Daniel Flockert
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#include "database/mariadb/commands/async/MariaDBFetchRowCommand.h"
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
 
namespace database::mariadb::commands::async {
 
    MariaDBFetchRowCommand::MariaDBFetchRowCommand(MYSQL_RES*& result,
                                                   const std::function<void(const MYSQL_ROW)>& onRow,
                                                   const std::function<void(const std::string&, unsigned int)>& onError)
        : MariaDBCommandASync("FetchRow", onError)
        , result(result)
        , onRow(onRow) {
    }
 
    int MariaDBFetchRowCommand::commandStart() {
        int ret = 0;
        row = nullptr;
 
        if (result != nullptr) {
            ret = mysql_fetch_row_start(&row, result);
        }
 
        return ret;
    }
 
    int MariaDBFetchRowCommand::commandContinue(int status) {
        return mysql_fetch_row_cont(&row, result, status);
    }
 
    bool MariaDBFetchRowCommand::commandCompleted() {
        onRow(row);
 
        return row == nullptr;
    }
 
    void MariaDBFetchRowCommand::commandError(const std::string& errorString, unsigned int errorNumber) {
        onError(errorString, errorNumber);
    }
 
} // namespace database::mariadb::commands::async