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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtSql module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSQLRESULT_H
#define QSQLRESULT_H
#include <QtCore/qvariant.h>
#include <QtCore/qvector.h>
#include <QtSql/qsql.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Sql)
class QString;
class QSqlRecord;
template <typename T> class QVector;
class QVariant;
class QSqlDriver;
class QSqlError;
class QSqlResultPrivate;
class Q_SQL_EXPORT QSqlResult
{
friend class QSqlQuery;
friend class QSqlTableModelPrivate;
friend class QSqlResultPrivate;
public:
virtual ~QSqlResult();
virtual QVariant handle() const;
protected:
enum BindingSyntax {
PositionalBinding,
NamedBinding
#ifdef QT3_SUPPORT
, BindByPosition = PositionalBinding,
BindByName = NamedBinding
#endif
};
explicit 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);
// prepared query support
virtual bool exec();
virtual bool prepare(const QString& query);
virtual bool savePrepare(const QString& sqlquery);
virtual void bindValue(int pos, const QVariant& val, QSql::ParamType type);
virtual void bindValue(const QString& placeholder, const QVariant& val,
QSql::ParamType type);
void addBindValue(const QVariant& val, QSql::ParamType type);
QVariant boundValue(const QString& placeholder) const;
QVariant boundValue(int pos) const;
QSql::ParamType bindValueType(const QString& placeholder) const;
QSql::ParamType bindValueType(int pos) const;
int boundValueCount() const;
QVector<QVariant>& boundValues() const;
QString executedQuery() const;
QString boundValueName(int pos) const;
void clear();
bool hasOutValues() const;
BindingSyntax bindingSyntax() const;
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 fetchPrevious();
virtual bool fetchFirst() = 0;
virtual bool fetchLast() = 0;
virtual int size() = 0;
virtual int numRowsAffected() = 0;
virtual QSqlRecord record() const;
virtual QVariant lastInsertId() const;
enum VirtualHookOperation { BatchOperation, DetachFromResultSet, SetNumericalPrecision, NextResult };
virtual void virtual_hook(int id, void *data);
bool execBatch(bool arrayBind = false);
void detachFromResultSet();
void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy policy);
QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;
bool nextResult();
private:
QSqlResultPrivate* d;
void resetBindCount(); // HACK
private:
Q_DISABLE_COPY(QSqlResult)
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QSQLRESULT_H
|
