# File lib/mini_profiler/timer_struct/request.rb, line 92
        def add_sql(query, elapsed_ms, page, skip_backtrace = false, full_backtrace = false)
          TimerStruct::Sql.new(query, elapsed_ms, page, self , skip_backtrace, full_backtrace).tap do |timer|
            self[:sql_timings].push(timer)
            timer[:parent_timing_id] = self[:id]
            self[:has_sql_timings]   = true
            self[:sql_timings_duration_milliseconds] += elapsed_ms
            page[:duration_milliseconds_in_sql]      += elapsed_ms
          end
        end