mysql_c_api

class DBWorker
    {
    public:
        DBWorker() : m_Connection(NULL) {}
        virtual ~DBWorker() {}
  bool ConnectoToDB(const std::string& connStr);
  bool ReConnect();
        bool ExecSQL(const char* sqlStr);
        void Close()
        {
   if (!m_Connection)
   {
    return;
   }
            mysql_close(m_Connection);
        }
        MYSQL_RES* StoreResult() 
        {
   if (!m_Connection)
   {
    return NULL;
   }
            return mysql_store_result(m_Connection); 
        }
        _Int32 GetAffectedRows()
        {
   if (!m_Connection)
   {
    return 0;
   }