IBQuery.h

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#ifndef __DCL_INTERBASE_QUERY_H__
#define __DCL_INTERBASE_QUERY_H__   20020321
 
__DCL_BEGIN_NAMESPACE
 
#define _IB_STMT_TYPE_UNKNOWN 0
 
class IBField;
class IBParam;
 
class IBQuery : public SQL::Query
{
    DECLARE_CLASSINFO(IBQuery)
public:
    void setErrorStatus(SQL::Error _error,
            const wchar_t* _filename, int _line);
    void setErrorStatus(const ByteString& _message,
            const wchar_t* _filename, int _line);
 
    IBConnection* conn() const;
    int stmtType() const;
 
protected:
    isc_stmt_handle __stmtHandle;
    int             __stmtType;
    XSQLDA*         __inSQLDA;
    XSQLDA*         __outSQLDA;
    char*           __outBuffer;
 
    IBParam*     __params;
    IBField*     __fields;
 
protected:
    bool reset();
    bool initFields();
    bool initParams(size_t _paramCount);
 
public:
    IBQuery(IBConnection* _connHandle);
    virtual ~IBQuery();
    virtual void __destroy();
    virtual bool __prepare(const char* _sql, size_t _sqllen,
            size_t _paramCount);
    virtual bool __execute();
    virtual bool __fetch();
 
    virtual bool __getField(size_t _index, SQL::Field** _fieldHandleOut);
    virtual bool __getParam(size_t _index, SQL::Param** _paramHandleOut);
};
 
inline void IBQuery::setErrorStatus(SQL::Error _error,
        const wchar_t* _filename, int _line)
{
    conn()->setErrorStatus(_error, _filename, _line);
}
 
inline void IBQuery::setErrorStatus(const ByteString& _message,
        const wchar_t* _filename, int _line)
{
    conn()->setErrorStatus(_message, _filename, _line);
}
 
inline IBConnection* IBQuery::conn() const
{
    return (IBConnection*)Query::__connHandle;
}
 
inline int IBQuery::stmtType() const
{
    return __stmtType;
}
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_INTERBASE_QUERY_H__