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32<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qsqlquery.h</h1>
33
34<p>This is the verbatim text of the qsqlquery.h include file. It is provided only for illustration; the copyright remains with Trolltech.
35<hr>
36<pre>
37/****************************************************************************
38**
39** Definition of QSqlQuery class
40**
41** Created : 2000-11-03
42**
43** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
44**
45** This file is part of the sql module of the Qt GUI Toolkit.
46**
47** This file may be distributed under the terms of the Q Public License
48** as defined by Trolltech ASA of Norway and appearing in the file
49** LICENSE.QPL included in the packaging of this file.
50**
51** This file may be distributed and/or modified under the terms of the
52** GNU General Public License version 2 as published by the Free Software
53** Foundation and appearing in the file LICENSE.GPL included in the
54** packaging of this file.
55**
56** Licensees holding valid Qt Enterprise Edition licenses may use this
57** file in accordance with the Qt Commercial License Agreement provided
58** with the Software.
59**
60** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
61** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
62**
63** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
64** information about Qt Commercial License Agreements.
65** See http://www.trolltech.com/qpl/ for QPL licensing information.
66** See http://www.trolltech.com/gpl/ for GPL licensing information.
67**
68** Contact info@trolltech.com if any conditions of this licensing are
69** not clear to you.
70**
71**********************************************************************/
72
73#ifndef QSQLQUERY_H
74#define QSQLQUERY_H
75
76#ifndef QT_H
77#include "qobject.h"
78#include "qstring.h"
79#include "qvariant.h"
80#include "qvaluelist.h"
81#include "qsqlerror.h"
82#include "qsqlfield.h"
83#include "qsql.h"
84#endif // QT_H
85
86#ifndef QT_NO_SQL
87
88class QSqlDriver;
89class QSqlResult;
90class QSqlDatabase;
91
92class Q_EXPORT QSqlResultShared : public QObject, public QShared
93{
94 Q_OBJECT
95public:
96 QSqlResultShared( QSqlResult* result );
97 virtual ~QSqlResultShared();
98 QSqlResult* sqlResult;
99 QString executedQuery;
100private slots:
101 void slotResultDestroyed();
102};
103
104class Q_EXPORT QSqlQuery
105{
106public:
107 QSqlQuery( QSqlResult * r );
108 QSqlQuery( const QString&amp; query = QString::null, QSqlDatabase* db = 0 );
109 Q_EXPLICIT QSqlQuery( QSqlDatabase* db );
110 QSqlQuery( const QSqlQuery&amp; other );
111 QSqlQuery&amp; operator=( const QSqlQuery&amp; other );
112 virtual ~QSqlQuery();
113
114 bool isValid() const;
115 bool isActive() const;
116 bool isNull( int field ) const;
117 int at() const;
118 QString lastQuery() const;
119 int numRowsAffected() const;
120 QSqlError lastError() const;
121 bool isSelect() const;
122 int size() const;
123 const QSqlDriver* driver() const;
124 const QSqlResult* result() const;
125 bool isForwardOnly() const;
126 void setForwardOnly( bool forward );
127
128 virtual bool exec ( const QString&amp; query );
129 virtual QVariant value( int i ) const;
130
131 virtual bool seek( int i, bool relative = FALSE );
132 virtual bool next();
133 virtual bool prev();
134 virtual bool first();
135 virtual bool last();
136
137 // prepared query support
138 bool exec();
139 bool prepare( const QString&amp; query );
140 void bindValue( const QString&amp; placeholder, const QVariant&amp; val );
141 void bindValue( int pos, const QVariant&amp; val );
142 void addBindValue( const QVariant&amp; val );
143 // remove these overloads in 4.0
144 void bindValue( const QString&amp; placeholder, const QVariant&amp; val, QSql::ParameterType type );
145 void bindValue( int pos, const QVariant&amp; val, QSql::ParameterType type );
146 void addBindValue( const QVariant&amp; val, QSql::ParameterType type );
147 QVariant boundValue( const QString&amp; placeholder ) const;
148 QVariant boundValue( int pos ) const;
149 QMap&lt;QString, QVariant&gt; boundValues() const;
150 QString executedQuery() const;
151
152protected:
153 virtual void beforeSeek();
154 virtual void afterSeek();
155
156private:
157 void init( const QString&amp; query, QSqlDatabase* db );
158 void deref();
159 bool checkDetach();
160 QSqlResultShared* d;
161};
162
163
164#endif // QT_NO_SQL
165#endif
166</pre>
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