PqConnection.h

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#ifndef __DCL_PQ_CONNECTION_H__
#define __DCL_PQ_CONNECTION_H__     20260106
 
__DCL_BEGIN_NAMESPACE
 
class PqConnection : public SQL::Connection
{
    DECLARE_CLASSINFO(PqConnection)
protected:
    PGconn*     __conn;
    int         __cursor;
    int         __stmtNo;
    ByteString  __lastErrorMessage;
 
public:
    PGconn* connHandle() const;
    int cursor() const;
    int stmtNo();
 
    void setErrorMessage(
        const ByteString& _message,
        const wchar_t* _filename, int _line
    );
 
public:
    // interface implementation
    virtual void destroy();
    PqConnection(const wchar_t* _serverTitle);
    virtual ~PqConnection();
    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 PGconn* PqConnection::connHandle() const
{
    return __conn;
}
 
inline int PqConnection::cursor() const
{
    return __cursor;
}
 
inline int PqConnection::stmtNo()
{
    return ++__stmtNo;
}
 
inline void PqConnection::setErrorMessage(
        const ByteString& _message,
        const wchar_t* _filename, int _line
    )
{
    Connection::setErrorStatus(SQL::eServerError, _filename, _line);
    __lastErrorMessage = _message;
}
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_PQ_CONNECTION_H__