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/****************************************************************************
**
** Definition of QSqlCursor class
**
** Created : 2000-11-03
**
** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the sql module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** 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 [email protected].
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef QSQLCURSOR_H
#define QSQLCURSOR_H
#ifndef QT_H
#include "qsqlrecord.h"
#include "qstringlist.h"
#include "qsqlquery.h"
#include "qsqlindex.h"
#endif // QT_H
#if !defined( QT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL )
#define QM_EXPORT_SQL
#else
#define QM_EXPORT_SQL Q_EXPORT
#endif
#ifndef QT_NO_SQL
class QSqlDatabase;
class QSqlCursorPrivate;
class QM_EXPORT_SQL QSqlCursor : public QSqlRecord, public QSqlQuery
{
public:
QSqlCursor( const QString & name = QString::null, bool autopopulate = TRUE, QSqlDatabase* db = 0 );
QSqlCursor( const QSqlCursor & other );
QSqlCursor& operator=( const QSqlCursor& other );
~QSqlCursor();
enum Mode {
ReadOnly = 0,
Insert = 1,
Update = 2,
Delete = 4,
Writable = 7
};
QVariant value( int i ) const;
QVariant value( const QString& name ) const;
void setValue( int i, const QVariant& val );
void setValue( const QString& name, const QVariant& val );
virtual QSqlIndex primaryIndex( bool prime = TRUE ) const;
virtual QSqlIndex index( const QStringList& fieldNames ) const;
QSqlIndex index( const QString& fieldName ) const;
QSqlIndex index( const char* fieldName ) const;
virtual void setPrimaryIndex( const QSqlIndex& idx );
virtual void append( const QSqlFieldInfo& fieldInfo );
virtual void insert( int pos, const QSqlFieldInfo& fieldInfo );
void remove( int pos );
void clear();
void setGenerated( const QString& name, bool generated );
void setGenerated( int i, bool generated );
virtual QSqlRecord* editBuffer( bool copy = FALSE );
virtual QSqlRecord* primeInsert();
virtual QSqlRecord* primeUpdate();
virtual QSqlRecord* primeDelete();
virtual int insert( bool invalidate = TRUE );
virtual int update( bool invalidate = TRUE );
virtual int del( bool invalidate = TRUE );
virtual void setMode( int flags );
int mode() const;
virtual void setCalculated( const QString& name, bool calculated );
bool isCalculated( const QString& name ) const;
virtual void setTrimmed( const QString& name, bool trim );
bool isTrimmed( const QString& name ) const;
bool isReadOnly() const;
bool canInsert() const;
bool canUpdate() const;
bool canDelete() const;
bool select();
bool select( const QSqlIndex& sort );
bool select( const QSqlIndex & filter, const QSqlIndex & sort );
virtual bool select( const QString & filter, const QSqlIndex & sort = QSqlIndex() );
virtual void setSort( const QSqlIndex& sort );
QSqlIndex sort() const;
virtual void setFilter( const QString& filter );
QString filter() const;
virtual void setName( const QString& name, bool autopopulate = TRUE );
QString name() const;
QString toString( const QString& prefix = QString::null,
const QString& sep = "," ) const;
bool isNull( int i ) const;
bool isNull( const QString& name ) const;
protected:
void afterSeek();
bool exec( const QString & sql );
virtual QVariant calculateField( const QString& name );
virtual int update( const QString & filter, bool invalidate = TRUE );
virtual int del( const QString & filter, bool invalidate = TRUE );
virtual QString toString( const QString& prefix, QSqlField* field, const QString& fieldSep ) const;
virtual QString toString( QSqlRecord* rec, const QString& prefix, const QString& fieldSep,
const QString& sep ) const;
virtual QString toString( const QSqlIndex& i, QSqlRecord* rec, const QString& prefix,
const QString& fieldSep, const QString& sep ) const;
private:
void sync();
int apply( const QString& q, bool invalidate );
int applyPrepared( const QString& q, bool invalidate );
QSqlRecord& operator=( const QSqlRecord & list );
void append( const QSqlField& field );
void insert( int pos, const QSqlField& field );
QSqlCursorPrivate* d;
};
#endif // QT_NO_SQL
#endif
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