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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** +** Definition of TQSqlDriver 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 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 TQSQLDRIVER_H +#define TQSQLDRIVER_H + +#ifndef QT_H +#include "tqobject.h" +#include "ntqptrdict.h" +#include "ntqstring.h" +#include "tqsqlerror.h" +#include "tqsqlquery.h" +#include "tqsqlfield.h" +#include "tqsqlindex.h" +#include "ntqstringlist.h" +#include "ntqmap.h" +#endif // QT_H + +#if !defined( TQT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL ) +#define TQM_EXPORT_SQL +#else +#define TQM_EXPORT_SQL TQ_EXPORT +#endif + +#ifndef TQT_NO_SQL + +class TQSqlDriverExtension; + +class TQSqlDatabase; + +class TQM_EXPORT_SQL TQSqlDriver : public TQObject +{ + friend class TQSqlDatabase; + TQ_OBJECT +public: + enum DriverFeature { Transactions, QuerySize, BLOB, Unicode, PreparedQueries, + NamedPlaceholders, PositionalPlaceholders }; + + TQSqlDriver( TQObject * parent=0, const char * name=0 ); + ~TQSqlDriver(); + bool isOpen() const; + bool isOpenError() const; + + virtual bool beginTransaction(); + virtual bool commitTransaction(); + virtual bool rollbackTransaction(); + virtual TQStringList tables( const TQString& tableType ) const; + virtual TQSqlIndex primaryIndex( const TQString& tableName ) const; + virtual TQSqlRecord record( const TQString& tableName ) const; + virtual TQSqlRecord record( const TQSqlQuery& query ) const; + virtual TQSqlRecordInfo recordInfo( const TQString& tablename ) const; + virtual TQSqlRecordInfo recordInfo( const TQSqlQuery& query ) const; + virtual TQString nullText() const; + virtual TQString formatValue( const TQSqlField* field, bool trimStrings = FALSE ) const; + TQSqlError lastError() const; + + virtual bool hasFeature( DriverFeature f ) const = 0; + virtual bool open( const TQString & db, + const TQString & user = TQString::null, + const TQString & password = TQString::null, + const TQString & host = TQString::null, + int port = -1 ) = 0; + virtual void close() = 0; + virtual TQSqlQuery createQuery() const = 0; + + // ### remove for 4.0 + bool open( const TQString& db, + const TQString& user, + const TQString& password, + const TQString& host, + int port, + const TQString& connOpts ); +protected: + virtual void setOpen( bool o ); + virtual void setOpenError( bool e ); + virtual void setLastError( const TQSqlError& e ); +private: + // ### This class needs a d-pointer in 4.0. + int dbState; + TQSqlError error; +#if defined(TQ_DISABLE_COPY) + TQSqlDriver( const TQSqlDriver & ); + TQSqlDriver &operator=( const TQSqlDriver & ); +#endif +}; + +#endif // TQT_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> |