db = QSqlDatabase::addDatabase("QSQLITE");
db.setDatabaseName(sqliteDbName);
db.open();
if(!db.open())
{
    qDebug() << "db error: " << db.lastError().text();
    qFatal( "Failed to connect." );
}

qry.prepare("CREATE TABLE IF NOT EXISTS addons (id INTEGER PRIMARY KEY  AUTOINCREMENT  NOT NULL  UNIQUE ,naam VARCHAR UNIQUE , update VARCHAR, created VARCHAR, download VARCHAR, supports VARCHAR)");

if (!qry.exec())
{
    qDebug() << "qry error: " << qry.lastError().text();
    qFatal("Failed to connect to db.");
}
else
{
    qDebug() << "table created";
}