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<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>
<p>This is the verbatim text of the qsqlquery.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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<pre>
/****************************************************************************
**
** Definition of QSqlQuery class
**
** Created : 2000-11-03
**
** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the sql module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** herein.
**
**********************************************************************/
#ifndef QSQLQUERY_H
#define QSQLQUERY_H
#ifndef QT_H
#include "qobject.h"
#include "qstring.h"
#include "qvariant.h"
#include "qvaluelist.h"
#include "qsqlerror.h"
#include "qsqlfield.h"
#include "qsql.h"
#endif // QT_H
#ifndef QT_NO_SQL
class QSqlDriver;
class QSqlResult;
class QSqlDatabase;
class Q_EXPORT QSqlResultShared : public QObject, public QShared
{
Q_OBJECT
public:
QSqlResultShared( QSqlResult* result );
virtual ~QSqlResultShared();
QSqlResult* sqlResult;
QString executedQuery;
private slots:
void slotResultDestroyed();
};
class Q_EXPORT QSqlQuery
{
public:
QSqlQuery( QSqlResult * r );
QSqlQuery( const QString& query = QString::null, QSqlDatabase* db = 0 );
Q_EXPLICIT QSqlQuery( QSqlDatabase* db );
QSqlQuery( const QSqlQuery& other );
QSqlQuery& operator=( const QSqlQuery& other );
virtual ~QSqlQuery();
bool isValid() const;
bool isActive() const;
bool isNull( int field ) const;
int at() const;
QString lastQuery() const;
int numRowsAffected() const;
QSqlError lastError() const;
bool isSelect() const;
int size() const;
const QSqlDriver* driver() const;
const QSqlResult* result() const;
bool isForwardOnly() const;
void setForwardOnly( bool forward );
virtual bool exec ( const QString& query );
virtual QVariant value( int i ) const;
virtual bool seek( int i, bool relative = FALSE );
virtual bool next();
virtual bool prev();
virtual bool first();
virtual bool last();
// prepared query support
bool exec();
bool prepare( const QString& query );
void bindValue( const QString& placeholder, const QVariant& val );
void bindValue( int pos, const QVariant& val );
void addBindValue( const QVariant& val );
// remove these overloads in 4.0
void bindValue( const QString& placeholder, const QVariant& val, QSql::ParameterType type );
void bindValue( int pos, const QVariant& val, QSql::ParameterType type );
void addBindValue( const QVariant& val, QSql::ParameterType type );
QVariant boundValue( const QString& placeholder ) const;
QVariant boundValue( int pos ) const;
QMap<QString, QVariant> boundValues() const;
QString executedQuery() const;
protected:
virtual void beforeSeek();
virtual void afterSeek();
private:
void init( const QString& query, QSqlDatabase* db );
void deref();
bool checkDetach();
QSqlResultShared* d;
};
#endif // QT_NO_SQL
#endif
</pre>
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