blob: fa8924f804400cf12cc3d9ada39284afb4a8ce9b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/****************************************************************************
**
** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.
**
** This file is part of the sql module of the Qt 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.
**
** 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.
**
** 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 QSQLCACHEDRESULT_P_H
#define QSQLCACHEDRESULT_P_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 <qsqlresult.h>
class QVariant;
template <typename T> class QValueVector;
class QSqlCachedResultPrivate;
class QM_EXPORT_SQL QSqlCachedResult: public QSqlResult
{
public:
virtual ~QSqlCachedResult();
typedef QValueVector<QVariant> ValueCache;
protected:
QSqlCachedResult(const QSqlDriver * db);
void init(int colCount);
void cleanup();
virtual bool gotoNext(ValueCache &values, int index) = 0;
QVariant 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();
QSqlCachedResultPrivate *d;
};
#endif // QSQLCACHEDRESULT_P_H
|
