qsqlresult.h Include File

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# qsqlresult.h

This is the verbatim text of the qsqlresult.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    **
    ** Definition of QSqlResult class
    **
    ** Created : 2000-11-03
    **
    ** Copyright (C) 2005 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the sql module of the Qt GUI Toolkit.
    **
    ** This file may be distributed under the terms of the Q Public License
    ** as defined by Trolltech AS of Norway and appearing in the file
    ** LICENSE.QPL included in the packaging of this file.
    **
    ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
    **
    ** Licensees holding valid Qt Enterprise Edition licenses may use this
    ** file in accordance with the Qt Commercial License Agreement provided
    ** with the Software.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/qpl/ for QPL licensing information.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    **********************************************************************/

    #ifndef QSQLRESULT_H
    #define QSQLRESULT_H

    #ifndef QT_H
    #include "qstring.h"
    #include "qvariant.h"
    #include "qsqlerror.h"
    #include "qsqlfield.h"
    #include "qsql.h"
    #endif // QT_H

    #if !defined( QT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL )
    #define QM_EXPORT_SQL
    #else
    #define QM_EXPORT_SQL Q_EXPORT
    #endif

    #ifndef QT_NO_SQL

    class QSqlDriver;
    class QSql;
    class QSqlResultPrivate;
    class QSqlExtension;

    class QM_EXPORT_SQL QSqlResult
    {
    friend class QSqlQuery;
    friend class QSqlResultShared;
    public:
        virtual ~QSqlResult();

        // BCI HACK - remove in 4.0
        void 	    setExtension( QSqlExtension * ext );
        QSqlExtension * extension();

    protected:
        QSqlResult(const QSqlDriver * db );
        int		    at() const;
        QString         lastQuery() const;
        QSqlError       lastError() const;
        bool            isValid() const;
        bool            isActive() const;
        bool            isSelect() const;
        bool            isForwardOnly() const;
        const QSqlDriver* driver() const;
        virtual void    setAt( int at );
        virtual void    setActive( bool a );
        virtual void    setLastError( const QSqlError& e );
        virtual void    setQuery( const QString& query );
        virtual void    setSelect( bool s );
        virtual void    setForwardOnly( bool forward );

        virtual QVariant data( int i ) = 0;
        virtual bool    isNull( int i ) = 0;
        virtual bool    reset ( const QString& sqlquery ) = 0;
        virtual bool    fetch( int i ) = 0;
        virtual bool    fetchNext();
        virtual bool    fetchPrev();
        virtual bool    fetchFirst() = 0;
        virtual bool    fetchLast() = 0;
        virtual int     size() = 0;
        virtual int     numRowsAffected() = 0;
    private:
        QSqlResultPrivate* d;
        bool forwardOnly;

    private:	// Disabled copy constructor and operator=
    #if defined(Q_DISABLE_COPY)
        QSqlResult( const QSqlResult & );
        QSqlResult &operator=( const QSqlResult & );
    #endif
    };

    #endif	// QT_NO_SQL
    #endif