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/****************************************************************************
**
** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.
**
** This file is part of the sql module of the TQt 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.TQPL 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.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about TQt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for TQPL 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.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#ifndef TQSQLCACHEDRESULT_P_H
#define TQSQLCACHEDRESULT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the TQt API. It exists for the convenience
// of other TQt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <tqsqlresult.h>
class TQVariant;
template <typename T> class TQValueVector;
class TQSqlCachedResultPrivate;
class TQM_EXPORT_SQL TQSqlCachedResult: public TQSqlResult
{
public:
virtual ~TQSqlCachedResult();
typedef TQValueVector<TQVariant> ValueCache;
protected:
TQSqlCachedResult(const TQSqlDriver * db);
void init(int colCount);
void cleanup();
virtual bool gotoNext(ValueCache &values, int index) = 0;
TQVariant data(int i);
bool isNull(int i);
bool fetch(int i);
bool fetchNext();
bool fetchPrevious();
bool fetchFirst();
bool fetchLast();
int colCount() const;
ValueCache &cache();
private:
bool cacheNext();
TQSqlCachedResultPrivate *d;
};
#endif // TQSQLCACHEDRESULT_P_H
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