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149 lines
4.7 KiB
149 lines
4.7 KiB
/****************************************************************************
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**
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** Definition of the QSqlExtension class
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**
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** Created : 2002-06-03
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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 QSQLEXTENSION_P_H
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#define QSQLEXTENSION_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists for the convenience
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// of other Qt classes. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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//
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#ifndef QT_H
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#include "qmap.h"
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#include "qvaluevector.h"
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#include "qstring.h"
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#include "qvariant.h"
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#include "qsql.h"
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#endif // QT_H
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#ifndef QT_NO_SQL
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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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#define QM_TEMPLATE_EXTERN_SQL
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#else
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#define QM_EXPORT_SQL Q_EXPORT
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#define QM_TEMPLATE_EXTERN_SQL Q_TEMPLATE_EXTERN
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#endif
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struct QSqlParam {
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QSqlParam( const QVariant& v = QVariant(), QSql::ParameterType t = QSql::In ): value( v ), typ( t ) {}
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QVariant value;
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QSql::ParameterType typ;
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Q_DUMMY_COMPARISON_OPERATOR(QSqlParam)
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};
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struct Holder {
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Holder( const QString& hldr = QString::null, int pos = -1 ): holderName( hldr ), holderPos( pos ) {}
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bool operator==( const Holder& h ) const { return h.holderPos == holderPos && h.holderName == holderName; }
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bool operator!=( const Holder& h ) const { return h.holderPos != holderPos || h.holderName != holderName; }
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QString holderName;
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int holderPos;
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};
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#define Q_DEFINED_QSQLEXTENSION
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#include "qwinexport.h"
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class QM_EXPORT_SQL QSqlExtension {
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public:
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QSqlExtension();
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virtual ~QSqlExtension();
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virtual bool prepare( const QString& query );
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virtual bool exec();
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virtual void bindValue( const QString& holder, const QVariant& value, QSql::ParameterType = QSql::In );
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virtual void bindValue( int pos, const QVariant& value, QSql::ParameterType = QSql::In );
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virtual void addBindValue( const QVariant& value, QSql::ParameterType = QSql::In );
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virtual QVariant parameterValue( const QString& holder );
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virtual QVariant parameterValue( int pos );
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QVariant boundValue( const QString& holder ) const;
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QVariant boundValue( int pos ) const;
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QStringVariantMap boundValues() const;
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void clear();
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void clearValues();
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void clearIndex();
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void resetBindCount();
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enum BindMethod { BindByPosition, BindByName };
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BindMethod bindMethod(); // ### 4.0: make this const
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BindMethod bindm;
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int bindCount;
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QMap<int, QString> index;
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typedef QMap<QString, QSqlParam> ValueMap;
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ValueMap values;
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// convenience container for QSqlQuery
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// to map holders <-> positions
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typedef QValueVector<Holder> HolderVector;
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HolderVector holders;
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};
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class QM_EXPORT_SQL QSqlDriverExtension
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{
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public:
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QSqlDriverExtension();
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virtual ~QSqlDriverExtension();
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virtual bool isOpen() const = 0;
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};
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class QM_EXPORT_SQL QSqlOpenExtension
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{
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public:
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QSqlOpenExtension();
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virtual ~QSqlOpenExtension();
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virtual 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 ) = 0;
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};
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#endif
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#endif
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