Method report

log.cc:42–54

    retries += p->retries;
  }
  void report() {
    cerr << "production statistics" << endl;
    vector<pair<const char *, long> > report;
    for (auto p : production_stats)
      report.push_back(p);
    stable_sort(report.begin(), report.end(),
		[](const pair<std::string, long> &a,
		   const pair<std::string, long> &b)
		{ return a.second > b.second; });
    for (auto p : report) {
      cerr << p.second << "\t" << p.first << endl;
    }
  }
};

void stats_collecting_logger::generated(prod &query)