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recordset.h

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/*
   This file is part of the KDB libraries
   Copyright (c) 2000 Praduroux Alessandro <pradu@thekompany.com>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
*/     
#ifndef RECORDSET_H
#define RECORDSET_H

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <qstring.h>
#include <qlist.h>

#include "dataobject.h"
#include "field.h"
#include "record.h"
#include "recordsetiterator.h"

namespace KDB {

class Connector;
class Handler;

class Recordset;

typedef KSharedPtr<Recordset> RecordsetPtr;

class Recordset : public DataObject {
    friend class Table;
    friend class Query;
    friend class Database;

    Q_OBJECT

 public:

    ~Recordset();
    
    RecordsetIterator begin(); 
    
    FieldList fields();
    
    bool updatable();
    
    RecordPtr addRecord();
    
    void requery();

    unsigned long long count();
    
 signals:
    void recordAdded( RecordPtr );
    void recordRemoved( RecordPtr );
    void recordUpdated( RecordPtr );
    void changed();
    
 private:

    Connector *connector;
    Recordset(Connector * conn, const QString &baseQuery, QObject *parent = 0);

    QString m_sql;
    FieldList m_fields;

    Handler *m_handle;
    bool m_changed;
    
};
 
}

#endif

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