void Job::run()
{
    while (true)
    {
        try
        {
            boost::mutex::scoped_lock lock(Job::io_mutex);
            string sqlConnectionString = "hostaddr="+server+" port="+port+
                                         " dbname="+dbname+" user="+user+
                                         " password="+password;
            session sql(postgresql, sqlConnectionString);
            string result;
            sql << sqlQuery, into(result);
            cout << interval << endl;
            cout << boost::this_thread::get_id() << endl;
            sql.close();
        }
        catch (std::exception const &e )
        {
            cerr << "Error: " << e.what() << '\n';
        }
        boost::this_thread::sleep(boost::posix_time::milliseconds(interval));
    }
}