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/****************************************************************************
**
** Definition of TQSqlCursor class
**
** Created : 2000-11-03
**
** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the sql module of the TQt 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 TQt 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 sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** 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 TQSQLCURSOR_H
#define TQSQLCURSOR_H
#ifndef QT_H
#include "ntqsqlrecord.h"
#include "ntqstringlist.h"
#include "ntqsqlquery.h"
#include "ntqsqlindex.h"
#endif // QT_H
#if !defined( TQT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL )
#define TQM_EXPORT_SQL
#else
#define TQM_EXPORT_SQL Q_EXPORT
#endif
#ifndef TQT_NO_SQL
class TQSqlDatabase;
class TQSqlCursorPrivate;
class TQM_EXPORT_SQL TQSqlCursor : public TQSqlRecord, public TQSqlQuery
{
public:
TQSqlCursor( const TQString & name = TQString::null, bool autopopulate = TRUE, TQSqlDatabase* db = 0 );
TQSqlCursor( const TQSqlCursor & other );
TQSqlCursor& operator=( const TQSqlCursor& other );
~TQSqlCursor();
enum Mode {
ReadOnly = 0,
Insert = 1,
Update = 2,
Delete = 4,
Writable = 7
};
TQVariant value( int i ) const;
TQVariant value( const TQString& name ) const;
void setValue( int i, const TQVariant& val );
void setValue( const TQString& name, const TQVariant& val );
virtual TQSqlIndex primaryIndex( bool prime = TRUE ) const;
virtual TQSqlIndex index( const TQStringList& fieldNames ) const;
TQSqlIndex index( const TQString& fieldName ) const;
TQSqlIndex index( const char* fieldName ) const;
virtual void setPrimaryIndex( const TQSqlIndex& idx );
virtual void append( const TQSqlFieldInfo& fieldInfo );
virtual void insert( int pos, const TQSqlFieldInfo& fieldInfo );
void remove( int pos );
void clear();
void setGenerated( const TQString& name, bool generated );
void setGenerated( int i, bool generated );
virtual TQSqlRecord* editBuffer( bool copy = FALSE );
virtual TQSqlRecord* primeInsert();
virtual TQSqlRecord* primeUpdate();
virtual TQSqlRecord* 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 TQString& name, bool calculated );
bool isCalculated( const TQString& name ) const;
virtual void setTrimmed( const TQString& name, bool trim );
bool isTrimmed( const TQString& name ) const;
bool isReadOnly() const;
bool canInsert() const;
bool canUpdate() const;
bool canDelete() const;
bool select();
bool select( const TQSqlIndex& sort );
bool select( const TQSqlIndex & filter, const TQSqlIndex & sort );
virtual bool select( const TQString & filter, const TQSqlIndex & sort = TQSqlIndex() );
virtual void setSort( const TQSqlIndex& sort );
TQSqlIndex sort() const;
virtual void setFilter( const TQString& filter );
TQString filter() const;
virtual void setName( const TQString& name, bool autopopulate = TRUE );
TQString name() const;
TQString toString( const TQString& prefix = TQString::null,
const TQString& sep = "," ) const;
bool isNull( int i ) const;
bool isNull( const TQString& name ) const;
protected:
void afterSeek();
bool exec( const TQString & sql );
virtual TQVariant calculateField( const TQString& name );
virtual int update( const TQString & filter, bool invalidate = TRUE );
virtual int del( const TQString & filter, bool invalidate = TRUE );
virtual TQString toString( const TQString& prefix, TQSqlField* field, const TQString& fieldSep ) const;
virtual TQString toString( TQSqlRecord* rec, const TQString& prefix, const TQString& fieldSep,
const TQString& sep ) const;
virtual TQString toString( const TQSqlIndex& i, TQSqlRecord* rec, const TQString& prefix,
const TQString& fieldSep, const TQString& sep ) const;
private:
void sync();
int apply( const TQString& q, bool invalidate );
int applyPrepared( const TQString& q, bool invalidate );
TQSqlRecord& operator=( const TQSqlRecord & list );
void append( const TQSqlField& field );
void insert( int pos, const TQSqlField& field );
TQSqlCursorPrivate* d;
};
#endif // TQT_NO_SQL
#endif
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