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/****************************************************************************
**
** Definition of TQSqlQuery class
**
** Created : 2000-11-03
**
** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the sql module of the TQt 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 TQt 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.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** 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 TQSQLQUERY_H
#define TQSQLQUERY_H
#ifndef QT_H
#include "ntqobject.h"
#include "ntqstring.h"
#include "ntqvariant.h"
#include "ntqvaluelist.h"
#include "ntqsqlerror.h"
#include "ntqsqlfield.h"
#include "ntqsql.h"
#endif // QT_H
#ifndef TQT_NO_SQL
class TQSqlDriver;
class TQSqlResult;
class TQSqlDatabase;
class TQ_EXPORT TQSqlResultShared : public TQObject, public TQShared
{
TQ_OBJECT
public:
TQSqlResultShared( TQSqlResult* result );
virtual ~TQSqlResultShared();
TQSqlResult* sqlResult;
TQString executedQuery;
private slots:
void slotResultDestroyed();
};
class TQ_EXPORT TQSqlQuery
{
public:
TQSqlQuery( TQSqlResult * r );
TQSqlQuery( const TQString& query = TQString::null, TQSqlDatabase* db = 0 );
Q_EXPLICIT TQSqlQuery( TQSqlDatabase* db );
TQSqlQuery( const TQSqlQuery& other );
TQSqlQuery& operator=( const TQSqlQuery& other );
virtual ~TQSqlQuery();
bool isValid() const;
bool isActive() const;
bool isNull( int field ) const;
int at() const;
TQString lastQuery() const;
int numRowsAffected() const;
TQSqlError lastError() const;
bool isSelect() const;
int size() const;
const TQSqlDriver* driver() const;
const TQSqlResult* result() const;
bool isForwardOnly() const;
void setForwardOnly( bool forward );
virtual bool exec ( const TQString& query );
virtual TQVariant 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 TQString& query );
void bindValue( const TQString& placeholder, const TQVariant& val );
void bindValue( int pos, const TQVariant& val );
void addBindValue( const TQVariant& val );
// remove these overloads in 4.0
void bindValue( const TQString& placeholder, const TQVariant& val, TQSql::ParameterType type );
void bindValue( int pos, const TQVariant& val, TQSql::ParameterType type );
void addBindValue( const TQVariant& val, TQSql::ParameterType type );
TQVariant boundValue( const TQString& placeholder ) const;
TQVariant boundValue( int pos ) const;
TQStringVariantMap boundValues() const;
TQString executedQuery() const;
protected:
virtual void beforeSeek();
virtual void afterSeek();
private:
void init( const TQString& query, TQSqlDatabase* db );
void deref();
bool checkDetach();
TQSqlResultShared* d;
};
#endif // TQT_NO_SQL
#endif
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