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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** +** Definition of TQSqlQuery class +** +** Created : 2000-11-03 +** +** Copyright (C) 2005-2007 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 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 TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements 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 TQSQLTQUERY_H +#define TQSQLTQUERY_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 TQSqlDriver; +class TQSqlResult; +class TQSqlDatabase; + +class Q_EXPORT TQSqlResultShared : public TQObject, public TQShared +{ + Q_OBJECT +public: + TQSqlResultShared( TQSqlResult* result ); + virtual ~TQSqlResultShared(); + TQSqlResult* sqlResult; + TQString executedQuery; +private slots: + void slotResultDestroyed(); +}; + +class Q_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; + TQMap<TQString, TQVariant> 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 // QT_NO_SQL +#endif +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>TQt 3.3.8</div> +</table></div></address></body> +</html> |