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tqt3/examples/sql/overview/navigating/main.cpp

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/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include <ntqapplication.h>
#include <tqsqldatabase.h>
#include <tqsqlquery.h>
#include "../connection.h"
int main( int argc, char *argv[] )
{
TQApplication app( argc, argv, FALSE );
if ( createConnections() ) {
TQSqlQuery 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;
}