qsql_ibase.h

Trolltech公司发布的基于C++图形开发环境

/****************************************************************************
**
** Definition of Interbase driver classes
**
** Created : 030911
**
** Copyright (C) 1992-2003 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 [e-mail] 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.
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**********************************************************************/

#ifndef QSQL_IBASE_H
#define QSQL_IBASE_H

#include "qsqlresult.h"
#include "qsqldriver.h"
#include "../cache/qsqlcachedresult.h"


class QIBaseDriverPrivate;
class QIBaseResultPrivate;
class QIBaseDriver;

class QIBaseResult : public QtSqlCachedResult
{
    friend class QIBaseDriver;
    friend class QIBaseResultPrivate;

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

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

protected:
    bool gotoNext(QtSqlCachedResult::RowCache* row);
    bool reset (const QString& query);
    int size();
    int numRowsAffected();

private:
    QIBaseResultPrivate* d;
};

class QIBaseDriver : public QSqlDriver
{
    friend class QIBaseDriverPrivate;
    friend class QIBaseResultPrivate;
    friend class QIBaseResult;
public:
    QIBaseDriver(QObject *parent = 0, const char *name = 0);
    QIBaseDriver(void *connection, QObject *parent = 0, const char *name = 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();
    QSqlQuery createQuery() const;
    bool beginTransaction();
    bool commitTransaction();
    bool rollbackTransaction();
    QStringList tables(const QString& typeName) const;

    QSqlRecord record(const QString& tablename) const;
    QSqlRecordInfo recordInfo(const QString& tablename) const;
    QSqlIndex primaryIndex(const QString &table) const;
    QSqlRecord record(const QSqlQuery& query) const;
    QSqlRecordInfo recordInfo(const QSqlQuery& query) const;

    QString formatValue(const QSqlField* field, bool trimStrings) const;
    
private:
    QIBaseDriverPrivate* d;
};


#endif