qsql_ibase.h

奇趣公司比较新的qt/emd版本

/****************************************************************************
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the QtSql module of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  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 [e-mail].
**
** In addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.0, which can be found at
** http://www.trolltech.com/products/qt/gplexception/ and in the file
** GPL_EXCEPTION.txt in this package.
**
** In addition, as a special exception, Trolltech, as the sole copyright
** holder for Qt Designer, grants users of the Qt/Eclipse Integration
** plug-in the right for the Qt/Eclipse Integration to link to
** functionality provided by Qt Designer and its related libraries.
**
** Trolltech reserves all rights not expressly granted herein.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef QSQL_IBASE_H
#define QSQL_IBASE_H

#include <QtSql/qsqlresult.h>
#include <QtSql/qsqldriver.h>
#include <QtSql/private/qsqlcachedresult_p.h>
#include <ibase.h>

QT_BEGIN_HEADER
class QIBaseDriverPrivate;
class QIBaseResultPrivate;
class QIBaseDriver;

class QIBaseResult : public QSqlCachedResult
{
    friend class QIBaseResultPrivate;

public:
    explicit QIBaseResult(const QIBaseDriver* db);
    virtual ~QIBaseResult();

    bool prepare(const QString& query);
    bool exec();
    QVariant handle() const;

protected:
    bool gotoNext(QSqlCachedResult::ValueCache& row, int rowIdx);
    bool reset (const QString& query);
    int size();
    int numRowsAffected();
    QSqlRecord record() const;

private:
    QIBaseResultPrivate* d;
};

class QIBaseDriver : public QSqlDriver
{
    friend class QIBaseDriverPrivate;
    friend class QIBaseResultPrivate;
public:
    explicit QIBaseDriver(QObject *parent = 0);
    explicit QIBaseDriver(isc_db_handle connection, QObject *parent = 0);
    virtual ~QIBaseDriver();
    bool hasFeature(DriverFeature f) const;
    bool open(const QString & db,
                   const QString & user,
                   const QString & password,
                   const QString & host,
                   int port,
                   const QString & connOpts);
    bool open(const QString & db,
            const QString & user,
            const QString & password,
            const QString & host,
            int port) { return open (db, user, password, host, port, QString()); }
    void close();
    QSqlResult *createResult() const;
    bool beginTransaction();
    bool commitTransaction();
    bool rollbackTransaction();
    QStringList tables(QSql::TableType) const;

    QSqlRecord record(const QString& tablename) const;
    QSqlIndex primaryIndex(const QString &table) const;

    QString formatValue(const QSqlField &field, bool trimStrings) const;
    QVariant handle() const;

private:
    QIBaseDriverPrivate* d;
};

QT_END_HEADER
#endif // QSQL_IBASE_H