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tqt3/doc/html/qsqlcursor-h.html

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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>ntqsqlcursor.h</h1>
<p>This is the verbatim text of the ntqsqlcursor.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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/****************************************************************************
**
** Definition of TQSqlCursor class
**
** Created : 2000-11-03
**
** Copyright (C) 2005-2007 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 file LICENSE.GPL 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 &amp; name = TQString::null, bool autopopulate = TRUE, TQSqlDatabase* db = 0 );
TQSqlCursor( const TQSqlCursor &amp; other );
TQSqlCursor&amp; operator=( const TQSqlCursor&amp; other );
~TQSqlCursor();
enum Mode {
ReadOnly = 0,
Insert = 1,
Update = 2,
Delete = 4,
Writable = 7
};
TQVariant value( int i ) const;
TQVariant value( const TQString&amp; name ) const;
void setValue( int i, const TQVariant&amp; val );
void setValue( const TQString&amp; name, const TQVariant&amp; val );
virtual TQSqlIndex primaryIndex( bool prime = TRUE ) const;
virtual TQSqlIndex index( const TQStringList&amp; fieldNames ) const;
TQSqlIndex index( const TQString&amp; fieldName ) const;
TQSqlIndex index( const char* fieldName ) const;
virtual void setPrimaryIndex( const TQSqlIndex&amp; idx );
virtual void append( const TQSqlFieldInfo&amp; fieldInfo );
virtual void insert( int pos, const TQSqlFieldInfo&amp; fieldInfo );
void remove( int pos );
void clear();
void setGenerated( const TQString&amp; 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&amp; name, bool calculated );
bool isCalculated( const TQString&amp; name ) const;
virtual void setTrimmed( const TQString&amp; name, bool trim );
bool isTrimmed( const TQString&amp; name ) const;
bool isReadOnly() const;
bool canInsert() const;
bool canUpdate() const;
bool canDelete() const;
bool select();
bool select( const TQSqlIndex&amp; sort );
bool select( const TQSqlIndex &amp; filter, const TQSqlIndex &amp; sort );
virtual bool select( const TQString &amp; filter, const TQSqlIndex &amp; sort = TQSqlIndex() );
virtual void setSort( const TQSqlIndex&amp; sort );
TQSqlIndex sort() const;
virtual void setFilter( const TQString&amp; filter );
TQString filter() const;
virtual void setName( const TQString&amp; name, bool autopopulate = TRUE );
TQString name() const;
TQString toString( const TQString&amp; prefix = TQString::null,
const TQString&amp; sep = "," ) const;
bool isNull( int i ) const;
bool isNull( const TQString&amp; name ) const;
protected:
void afterSeek();
bool exec( const TQString &amp; sql );
virtual TQVariant calculateField( const TQString&amp; name );
virtual int update( const TQString &amp; filter, bool invalidate = TRUE );
virtual int del( const TQString &amp; filter, bool invalidate = TRUE );
virtual TQString toString( const TQString&amp; prefix, TQSqlField* field, const TQString&amp; fieldSep ) const;
virtual TQString toString( TQSqlRecord* rec, const TQString&amp; prefix, const TQString&amp; fieldSep,
const TQString&amp; sep ) const;
virtual TQString toString( const TQSqlIndex&amp; i, TQSqlRecord* rec, const TQString&amp; prefix,
const TQString&amp; fieldSep, const TQString&amp; sep ) const;
private:
void sync();
int apply( const TQString&amp; q, bool invalidate );
int applyPrepared( const TQString&amp; q, bool invalidate );
TQSqlRecord&amp; operator=( const TQSqlRecord &amp; list );
void append( const TQSqlField&amp; field );
void insert( int pos, const TQSqlField&amp; field );
TQSqlCursorPrivate* d;
};
#endif // TQT_NO_SQL
#endif
</pre>
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