You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
qt3/examples/sql/overview/update/main.cpp

33 lines
891 B

/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include <qapplication.h>
#include <qsqldatabase.h>
#include <qsqlcursor.h>
#include "../connection.h"
int main( int argc, char *argv[] )
{
QApplication app( argc, argv, FALSE );
if ( createConnections() ) {
QSqlCursor cur( "prices" );
cur.select( "id=202" );
if ( cur.next() ) {
QSqlRecord *buffer = cur.primeUpdate();
double price = buffer->value( "price" ).toDouble();
double newprice = price * 1.05;
buffer->setValue( "price", newprice );
cur.update();
}
}
return 0;
}