?? main.cpp
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/****************************************************************************** $Id: qt/main.cpp 3.3.4 edited Sep 10 2003 $**** Copyright (C) 1992-2002 Trolltech AS. 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 <qsqlquery.h>#include "../connection.h"int main( int argc, char *argv[] ){ QApplication app( argc, argv, FALSE ); if ( createConnections() ) { QSqlQuery query( "SELECT id, name FROM people ORDER BY name" ); if ( ! query.isActive() ) return 1; // Query failed int i; i = query.size(); // In this example we have 9 records; i == 9. query.first(); // Moves to the first record. i = query.at(); // i == 0 query.last(); // Moves to the last record. i = query.at(); // i == 8 query.seek( query.size() / 2 ); // Moves to the middle record. i = query.at(); // i == 4 } return 0;}
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