auto mc = startDbUpdate();

            auto mc = startDbUpdate();

                auto mc = startDbUpdate();

                auto mc = startDbUpdate();

#include <functional>

    MaintainCount(counter & c, std::function<void(unsigned long)> warn) : c(c)
    {
        warn(++c);
    }

}
MaintainCount State::startDbUpdate()
{
    return MaintainCount(nrActiveDbUpdates, [](unsigned long c) {
        if (c > 6) {
            printMsg(lvlError, format("warning: %d concurrent database updates; PostgreSQL may be stalled") % c);
        }
    });

        root.attr("nrActiveDbUpdates", nrActiveDbUpdates);

        auto mc = startDbUpdate();

                auto mc = startDbUpdate();

            {
            auto mc = startDbUpdate();

            }

                    auto mc = startDbUpdate();

                        auto mc = startDbUpdate();

    counter nrActiveDbUpdates{0};

    MaintainCount startDbUpdate();