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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>qsqldriver.h</h1>
<p>This is the verbatim text of the qsqldriver.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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<pre>
/****************************************************************************
**
** Definition of QSqlDriver 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 distributed under the terms of the Q Public License
** as defined by Trolltech ASA 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.
**
** Licensees holding valid Qt Enterprise Edition licenses may use this
** file in accordance with the Qt Commercial License Agreement provided
** with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** 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.
**
**********************************************************************/
#ifndef QSQLDRIVER_H
#define QSQLDRIVER_H
#ifndef QT_H
#include "qobject.h"
#include "qptrdict.h"
#include "qstring.h"
#include "qsqlerror.h"
#include "qsqlquery.h"
#include "qsqlfield.h"
#include "qsqlindex.h"
#include "qstringlist.h"
#include "qmap.h"
#endif // QT_H
#if !defined( QT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL )
#define QM_EXPORT_SQL
#else
#define QM_EXPORT_SQL Q_EXPORT
#endif
#ifndef QT_NO_SQL
class QSqlDriverExtension;
class QSqlDatabase;
class QM_EXPORT_SQL QSqlDriver : public QObject
{
friend class QSqlDatabase;
Q_OBJECT
public:
enum DriverFeature { Transactions, QuerySize, BLOB, Unicode, PreparedQueries,
NamedPlaceholders, PositionalPlaceholders };
QSqlDriver( QObject * parent=0, const char * name=0 );
~QSqlDriver();
bool isOpen() const;
bool isOpenError() const;
virtual bool beginTransaction();
virtual bool commitTransaction();
virtual bool rollbackTransaction();
virtual QStringList tables( const QString& tableType ) const;
virtual QSqlIndex primaryIndex( const QString& tableName ) const;
virtual QSqlRecord record( const QString& tableName ) const;
virtual QSqlRecord record( const QSqlQuery& query ) const;
virtual QSqlRecordInfo recordInfo( const QString& tablename ) const;
virtual QSqlRecordInfo recordInfo( const QSqlQuery& query ) const;
virtual QString nullText() const;
virtual QString formatValue( const QSqlField* field, bool trimStrings = FALSE ) const;
QSqlError lastError() const;
virtual bool hasFeature( DriverFeature f ) const = 0;
virtual bool open( const QString & db,
const QString & user = QString::null,
const QString & password = QString::null,
const QString & host = QString::null,
int port = -1 ) = 0;
virtual void close() = 0;
virtual QSqlQuery createQuery() const = 0;
// ### remove for 4.0
bool open( const QString& db,
const QString& user,
const QString& password,
const QString& host,
int port,
const QString& connOpts );
protected:
virtual void setOpen( bool o );
virtual void setOpenError( bool e );
virtual void setLastError( const QSqlError& e );
private:
// ### This class needs a d-pointer in 4.0.
int dbState;
QSqlError error;
#if defined(Q_DISABLE_COPY)
QSqlDriver( const QSqlDriver & );
QSqlDriver &operator=( const QSqlDriver & );
#endif
};
#endif // QT_NO_SQL
#endif
</pre>
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