?? qsqlcachedresult.h
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/******************************************************************************** Definition of shared Qt SQL module classes**** Copyright (C) 1992-2000 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 QSQLCACHEDRESULT_H#define QSQLCACHEDRESULT_H//// W A R N I N G// -------------//// This file is not part of the Qt API. It exists for the convenience// of other Qt classes. This header file may change from version to// version without notice, or even be removed.//// We mean it.////#include <qglobal.h>#include <qvariant.h>#include <qptrvector.h>#include <qvaluevector.h>#include <qsqlresult.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_SQLclass QtSqlCachedResultPrivate;class QM_EXPORT_SQL QtSqlCachedResult: public QSqlResult{public: virtual ~QtSqlCachedResult(); typedef QValueVector<QVariant> RowCache; typedef QPtrVector<RowCache> RowsetCache;protected: QtSqlCachedResult(const QSqlDriver * db); void init(int colCount); void cleanup(); bool cacheNext(); virtual bool gotoNext(RowCache* row) = 0; QVariant data(int i); bool isNull(int i); bool fetch(int i); bool fetchNext(); bool fetchPrev(); bool fetchFirst(); bool fetchLast(); int colCount() const;private: QtSqlCachedResultPrivate *d;};#endif#endif
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