doc/html/sql-overview-basicdatamanip-main-cpp.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>sql/overview/basicdatamanip/main.cpp Example File</h1>

 
<pre>/****************************************************************************
** $Id: qt/main.cpp   3.3.8   edited Jan 11 14:37 $
**
** Copyright (C) 1992-2007 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 &lt;<a href="qapplication-h.html">qapplication.h</a>&gt;
#include &lt;<a href="qsqldatabase-h.html">qsqldatabase.h</a>&gt;
#include &lt;<a href="qsqlquery-h.html">qsqlquery.h</a>&gt;
#include "../connection.h"

bool createConnections();


int main( int argc, char *argv[] )
{
    <a href="qapplication.html">QApplication</a> app( argc, argv, FALSE );

    int rows = 0;

    if ( createConnections() ) {
        <a href="qsqlquery.html">QSqlQuery</a> query( "INSERT INTO staff ( id, forename, surname, salary ) "
                     "VALUES ( 1155, 'Ginger', 'Davis', 50000 )" );
        if ( query.<a href="qsqlquery.html#isActive">isActive</a>() ) rows += query.<a href="qsqlquery.html#numRowsAffected">numRowsAffected</a>() ;

        query.<a href="qsqlquery.html#exec">exec</a>( "UPDATE staff SET salary=60000 WHERE id=1155" );
        if ( query.<a href="qsqlquery.html#isActive">isActive</a>() ) rows += query.<a href="qsqlquery.html#numRowsAffected">numRowsAffected</a>() ;

        query.<a href="qsqlquery.html#exec">exec</a>( "DELETE FROM staff WHERE id=1155" );
        if ( query.<a href="qsqlquery.html#isActive">isActive</a>() ) rows += query.<a href="qsqlquery.html#numRowsAffected">numRowsAffected</a>() ;
    }

    return ( rows == 3 ) ? 0 : 1;
}


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