You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
134 lines
4.4 KiB
134 lines
4.4 KiB
/****************************************************************************
|
|
**
|
|
** Definition of QSqlQuery class
|
|
**
|
|
** Created : 2000-11-03
|
|
**
|
|
** Copyright (C) 2005-2008 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 files LICENSE.GPL2
|
|
** and LICENSE.GPL3 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
|
|
** or contact the sales department at sales@trolltech.com.
|
|
**
|
|
** This file may be used under the terms of the Q Public License as
|
|
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
|
|
** included in the packaging of this file. Licensees holding valid Qt
|
|
** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
|
|
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
|
|
** 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;
|
|
QStringVariantMap 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
|