Method updateStat

src/stats/QueryStats.java:589–602

Increments the cumulative value for a cumulative stat. If it's a time then it must be in nanoseconds @param query_index The index of the sub query @param name The name of the stat @param value The value to add to the existing value

(final int query_index, final QueryStat name, 
      final long value)

   * @param value The value to add to the existing value
   */
  public void updateStat(final int query_index, final QueryStat name, 
      final long value) {
    Map<QueryStat, Long> qs = query_stats.get(query_index);
    long cum_time = value;
    if (qs == null) {
      qs = new HashMap<QueryStat, Long>();
      query_stats.put(query_index, qs);
    }
    
    if (qs.containsKey(name)) {
      cum_time += qs.get(name);
    }
    qs.put(name, cum_time);
  }

  /**
   * Adds a value for a specific scanner for a specific sub query. If it's a time