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src/qt/include/qsqlresult.h
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00001 /****************************************************************************
00002 **
00003 ** Definition of QSqlResult class
00004 **
00005 ** Created : 2000-11-03
00006 **
00007 ** Copyright (C) 2005-2007 Trolltech ASA.  All rights reserved.
00008 **
00009 ** This file is part of the sql module of the Qt GUI Toolkit.
00010 **
00011 ** This file may be distributed under the terms of the Q Public License
00012 ** as defined by Trolltech ASA of Norway and appearing in the file
00013 ** LICENSE.QPL included in the packaging of this file.
00014 **
00015 ** This file may be distributed and/or modified under the terms of the
00016 ** GNU General Public License version 2 as published by the Free Software
00017 ** Foundation and appearing in the file LICENSE.GPL included in the
00018 ** packaging of this file.
00019 **
00020 ** Licensees holding valid Qt Enterprise Edition licenses may use this
00021 ** file in accordance with the Qt Commercial License Agreement provided
00022 ** with the Software.
00023 **
00024 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00025 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00026 **
00027 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
00028 **   information about Qt Commercial License Agreements.
00029 ** See http://www.trolltech.com/qpl/ for QPL licensing information.
00030 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
00031 **
00032 ** Contact info@trolltech.com if any conditions of this licensing are
00033 ** not clear to you.
00034 **
00035 **********************************************************************/
00036 
00037 #ifndef QSQLRESULT_H
00038 #define QSQLRESULT_H
00039 
00040 #ifndef QT_H
00041 #include "qstring.h"
00042 #include "qvariant.h"
00043 #include "qsqlerror.h"
00044 #include "qsqlfield.h"
00045 #include "qsql.h"
00046 #endif // QT_H
00047 
00048 #if !defined( QT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL )
00049 #define QM_EXPORT_SQL
00050 #else
00051 #define QM_EXPORT_SQL Q_EXPORT
00052 #endif
00053 
00054 #ifndef QT_NO_SQL
00055 
00056 class QSqlDriver;
00057 class QSql;
00058 class QSqlResultPrivate;
00059 class QSqlExtension;
00060 
00061 class QM_EXPORT_SQL QSqlResult
00062 {
00063 friend class QSqlQuery;
00064 friend class QSqlResultShared;
00065 public:
00066     virtual ~QSqlResult();
00067     
00068     // BCI HACK - remove in 4.0
00069     void            setExtension( QSqlExtension * ext );
00070     QSqlExtension * extension();
00071 
00072 protected:
00073     QSqlResult(const QSqlDriver * db );
00074     int             at() const;
00075     QString         lastQuery() const;
00076     QSqlError       lastError() const;
00077     bool            isValid() const;
00078     bool            isActive() const;
00079     bool            isSelect() const;
00080     bool            isForwardOnly() const;
00081     const QSqlDriver* driver() const;
00082     virtual void    setAt( int at );
00083     virtual void    setActive( bool a );
00084     virtual void    setLastError( const QSqlError& e );
00085     virtual void    setQuery( const QString& query );
00086     virtual void    setSelect( bool s );
00087     virtual void    setForwardOnly( bool forward );
00088 
00089     virtual QVariant data( int i ) = 0;
00090     virtual bool    isNull( int i ) = 0;
00091     virtual bool    reset ( const QString& sqlquery ) = 0;
00092     virtual bool    fetch( int i ) = 0;
00093     virtual bool    fetchNext();
00094     virtual bool    fetchPrev();
00095     virtual bool    fetchFirst() = 0;
00096     virtual bool    fetchLast() = 0;
00097     virtual int     size() = 0;
00098     virtual int     numRowsAffected() = 0;
00099 private:
00100     QSqlResultPrivate* d;
00101     bool forwardOnly;
00102 
00103 private:        // Disabled copy constructor and operator=
00104 #if defined(Q_DISABLE_COPY)
00105     QSqlResult( const QSqlResult & );
00106     QSqlResult &operator=( const QSqlResult & );
00107 #endif
00108 };
00109 
00110 #endif  // QT_NO_SQL
00111 #endif
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