+
−/**
+
− * db_bridge/mysql_db.cpp
+
− * Copyright 2008 (C) Markus Broeker
+
− */
+
−
+
−#include <cstdlib>
+
−#include <mysql_db.hpp>
+
−#include <console.hpp>
+
−
+
−MySQL_DB::MySQL_DB (std::string srv, std::string usr, std::string pwd, std::string db)
+
−{
+
−    server = (srv != "") ? srv : "localhost";
+
−    user = (usr != "") ? usr : getenv ("USER");
+
−    password = pwd;
+
−    database = db;
+
−    conn = mysql_init (NULL);
+
−
+
−    if (pwd == "") {
+
−        std::cout << "Passwort von " << user << "@" << server << ": ";
+
−        Console::getpass (password);
+
−    }
+
−}
+
−
+
−MySQL_DB::~MySQL_DB ()
+
−{
+
−    if (conn != NULL) {
+
−        mysql_close (conn);
+
−        std::cerr << "Datenbank wird geschlossen" << std::endl;
+
−    }
+
−}
+
−
+
−bool MySQL_DB::connect ()
+
−{
+
−    std::cerr << "Verbindungsparameter:" << " host=" << server
+
−        << " user=" << user << " password=" << password << " database=" << database << std::endl;
+
−
+
−    if (!mysql_real_connect (conn, server.c_str (), user.c_str (), password.c_str (), database.c_str (), 0, NULL, 0)) {
+
−        std::cerr << server << ": " << mysql_error (conn) << std::endl;
+
−        return false;
+
−    }
+
−
+
−    return true;
+
−}
+
−
+
−Abstract_DB::DB_RESULT MySQL_DB::query (std::string sql_string)
+
−{
+
−    Abstract_DB::DB_ROW vec;
+
−    Abstract_DB::DB_RESULT rows;
+
−    MYSQL_ROW row;
+
−    int i = 0;
+
−
+
−    /*
+
−     * send SQL query
+
−     */
+
−    if (mysql_query (conn, sql_string.c_str ())) {
+
−        std::cerr << server << ": " << mysql_error (conn) << std::endl;
+
−        return rows;
+
−    }
+
−
+
−    res = mysql_use_result (conn);
+
−
+
−    /*
+
−     * push everything into a vector< vector<string> >
+
−     */
+
−    while ((row = mysql_fetch_row (res)) != NULL) {
+
−        i = 0;
+
−        while (row[i] != NULL) {
+
−            vec.push_back (row[i++]);
+
−        }
+
−        rows.push_back (vec);
+
−        vec.clear ();
+
−    }
+
−
+
−    std::cerr << "Die Abfrage hat " << i << " Spalte(n) und " << rows.size () << " Reihe(n)." << std::endl;
+
−
+
−    if (res != NULL) {
+
−        mysql_free_result (res);
+
−    }
+
−
+
−    return rows;
+
−}