MyConnection.h

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#ifndef __DCL_MY_CONNECTION_H__
#define __DCL_MY_CONNECTION_H__ 20031025_20250414
 
__DCL_BEGIN_NAMESPACE
 
class MyQuery;
 
class MyConnection : public SQL::Connection
{
    DECLARE_CLASSINFO(MyConnection)
protected:
    MYSQL*      __mysql;
    bool        __storeResult;
    ByteString  __lastErrorMessage;
 
public:
    MYSQL* connHandle() const;
    bool storeResult() const;
 
    void setErrorHandle(
        SQL::Error _error,
        const wchar_t* _filename, int _line
    );
 
    void setErrorMessage(
        const ByteString& _message,
        const wchar_t* _filename, int _line
    );
 
public:
    // interface implementation
    MyConnection(const wchar_t* _serverTitle);
 
    virtual void destroy();
    virtual ~MyConnection();
    virtual bool __open(const char* _conns, size_t _connslen);
    virtual bool __close();
    virtual bool __execute(const char* _sql, size_t _sqllen);
    virtual bool __startTrans();
    virtual bool __commitTrans();
    virtual bool __rollbackTrans();
    virtual bool __createQueryInstance(SQL::Query** _queryHandleOut);
    virtual bool __getErrorMessage(char* _buf, size_t* _buflen);
    virtual bool __getServerInfo(char* _buf, size_t* _buflen);
};
 
inline MYSQL* MyConnection::connHandle() const
{
    return __mysql;
}
 
inline bool MyConnection::storeResult() const
{
    return __storeResult;
}
 
inline void MyConnection::setErrorHandle(
        SQL::Error _error, 
        const wchar_t* _filename,
        int _line
    )
{
    Connection::setErrorStatus(_error, _filename, _line);
 
    if (_error == SQL::eServerError)
        __lastErrorMessage = mysql_error(connHandle());
    else
        __lastErrorMessage.clear();
}
 
inline void MyConnection::setErrorMessage(
        const ByteString& _message, 
        const wchar_t* _filename,
        int _line
    )
{
    Connection::setErrorStatus(SQL::eServerError, _filename, _line);
 
    __lastErrorMessage = _message;
}
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_MY_CONNECTION_H__