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Diffstat (limited to 'examples/sql/overview/update/main.cpp')
-rw-r--r-- | examples/sql/overview/update/main.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/examples/sql/overview/update/main.cpp b/examples/sql/overview/update/main.cpp new file mode 100644 index 0000000..02cd303 --- /dev/null +++ b/examples/sql/overview/update/main.cpp @@ -0,0 +1,32 @@ +/**************************************************************************** +** +** 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; +} |