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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** +** Definition of QSqlDatabase 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 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 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 QSQLDATABASE_H +#define QSQLDATABASE_H + +#ifndef QT_H +#include "qobject.h" +#include "qstring.h" +#include "qsqlquery.h" +#include "qstringlist.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 QSqlError; +class QSqlDriver; +class QSqlIndex; +class QSqlRecord; +class QSqlRecordInfo; +class QSqlDatabasePrivate; + +class QM_EXPORT_SQL QSqlDriverCreatorBase +{ +public: + virtual QSqlDriver* createObject() = 0; +}; + +template <class type> +class QM_EXPORT_SQL QSqlDriverCreator: public QSqlDriverCreatorBase +{ +public: + QSqlDriver* createObject() { return new type; } +}; + +class QM_EXPORT_SQL QSqlDatabase : public QObject +{ + Q_OBJECT + Q_PROPERTY( QString databaseName READ databaseName WRITE setDatabaseName ) + Q_PROPERTY( QString userName READ userName WRITE setUserName ) + Q_PROPERTY( QString password READ password WRITE setPassword ) + Q_PROPERTY( QString hostName READ hostName WRITE setHostName ) + Q_PROPERTY( int port READ port WRITE setPort ) + Q_PROPERTY( QString connectOptions READ connectOptions WRITE setConnectOptions ) + +public: + ~QSqlDatabase(); + + bool open(); + bool open( const QString& user, const QString& password ); + void close(); + bool isOpen() const; + bool isOpenError() const; + QStringList tables() const; + QStringList tables( QSql::TableType type ) const; + QSqlIndex primaryIndex( const QString& tablename ) const; + QSqlRecord record( const QString& tablename ) const; + QSqlRecord record( const QSqlQuery& query ) const; + QSqlRecordInfo recordInfo( const QString& tablename ) const; + QSqlRecordInfo recordInfo( const QSqlQuery& query ) const; + QSqlQuery exec( const QString& query = QString::null ) const; + QSqlError lastError() const; + + bool transaction(); + bool commit(); + bool rollback(); + + virtual void setDatabaseName( const QString& name ); + virtual void setUserName( const QString& name ); + virtual void setPassword( const QString& password ); + virtual void setHostName( const QString& host ); + virtual void setPort( int p ); + void setConnectOptions( const QString& options = QString::null ); + QString databaseName() const; + QString userName() const; + QString password() const; + QString hostName() const; + QString driverName() const; + int port() const; + QString connectOptions() const; + + QSqlDriver* driver() const; + + // MOC_SKIP_BEGIN + QT_STATIC_CONST char * const defaultConnection; + // MOC_SKIP_END + + static QSqlDatabase* addDatabase( const QString& type, const QString& connectionName = defaultConnection ); + static QSqlDatabase* addDatabase( QSqlDriver* driver, const QString& connectionName = defaultConnection ); + static QSqlDatabase* database( const QString& connectionName = defaultConnection, bool open = TRUE ); + static void removeDatabase( const QString& connectionName ); + static void removeDatabase( QSqlDatabase* db ); + static bool contains( const QString& connectionName = defaultConnection ); + static QStringList drivers(); + static void registerSqlDriver( const QString& name, const QSqlDriverCreatorBase* creator ); // ### 4.0: creator should not be const + static bool isDriverAvailable( const QString& name ); + +protected: + QSqlDatabase( const QString& type, const QString& name, QObject * parent=0, const char * objname=0 ); + QSqlDatabase( QSqlDriver* driver, QObject * parent=0, const char * objname=0 ); +private: + void init( const QString& type, const QString& name ); + QSqlDatabasePrivate* d; +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + QSqlDatabase( const QSqlDatabase & ); + QSqlDatabase &operator=( const QSqlDatabase & ); +#endif + +}; + +#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>Qt 3.3.8</div> +</table></div></address></body> +</html> |