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127 lines
4.3 KiB
127 lines
4.3 KiB
/****************************************************************************
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**
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** Definition of QSqlDriver class
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**
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** Created : 2000-11-03
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**
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** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the sql module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef QSQLDRIVER_H
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#define QSQLDRIVER_H
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#ifndef QT_H
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#include "qobject.h"
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#include "qptrdict.h"
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#include "qstring.h"
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#include "qsqlerror.h"
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#include "qsqlquery.h"
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#include "qsqlfield.h"
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#include "qsqlindex.h"
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#include "qstringlist.h"
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#include "qmap.h"
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#endif // QT_H
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#if !defined( QT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL )
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#define QM_EXPORT_SQL
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#else
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#define QM_EXPORT_SQL Q_EXPORT
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#endif
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#ifndef QT_NO_SQL
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class QSqlDriverExtension;
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class QSqlDatabase;
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class QM_EXPORT_SQL QSqlDriver : public QObject
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{
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friend class QSqlDatabase;
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Q_OBJECT
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public:
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enum DriverFeature { Transactions, QuerySize, BLOB, Unicode, PreparedQueries,
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NamedPlaceholders, PositionalPlaceholders };
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QSqlDriver( QObject * parent=0, const char * name=0 );
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~QSqlDriver();
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bool isOpen() const;
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bool isOpenError() const;
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virtual bool beginTransaction();
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virtual bool commitTransaction();
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virtual bool rollbackTransaction();
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virtual QStringList tables( const QString& tableType ) const;
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virtual QSqlIndex primaryIndex( const QString& tableName ) const;
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virtual QSqlRecord record( const QString& tableName ) const;
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virtual QSqlRecord record( const QSqlQuery& query ) const;
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virtual QSqlRecordInfo recordInfo( const QString& tablename ) const;
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virtual QSqlRecordInfo recordInfo( const QSqlQuery& query ) const;
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virtual QString nullText() const;
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virtual QString formatValue( const QSqlField* field, bool trimStrings = FALSE ) const;
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QSqlError lastError() const;
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virtual bool hasFeature( DriverFeature f ) const = 0;
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virtual bool open( const QString & db,
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const QString & user = QString::null,
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const QString & password = QString::null,
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const QString & host = QString::null,
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int port = -1 ) = 0;
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virtual void close() = 0;
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virtual bool ping() = 0;
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virtual QSqlQuery createQuery() const = 0;
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// ### remove for 4.0
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bool open( const QString& db,
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const QString& user,
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const QString& password,
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const QString& host,
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int port,
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const QString& connOpts );
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protected:
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virtual void setOpen( bool o );
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virtual void setOpenError( bool e );
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virtual void setLastError( const QSqlError& e );
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private:
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// ### This class needs a d-pointer in 4.0.
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int dbState;
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QSqlError error;
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#if defined(Q_DISABLE_COPY)
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QSqlDriver( const QSqlDriver & );
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QSqlDriver &operator=( const QSqlDriver & );
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#endif
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};
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#endif // QT_NO_SQL
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#endif
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