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# qsqldatabase.h

This is the verbatim text of the qsqldatabase.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    **
    ** Definition of QSqlDatabase class
    **
    ** Created : 2000-11-03
    **
    ** Copyright (C) 2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the sql module of the Qt GUI Toolkit.
    **
    ** This file may be distributed under the terms of the Q Public License
    ** as defined by Trolltech AS of Norway and appearing in the file
    ** LICENSE.QPL included in the packaging of this file.
    **
    ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
    **
    ** Licensees holding valid Qt Enterprise Edition 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
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/qpl/ for QPL licensing information.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    **********************************************************************/

    #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