    # File lib/active_record/connection_adapters/abstract_adapter.rb, line 106
            def log(sql, name)
              if block_given?
                if @logger and @logger.level <= Logger::INFO
                  result = nil
                  seconds = Benchmark.realtime { result = yield }
                  @runtime += seconds
                  log_info(sql, name, seconds)
                  result
                else
                  yield
                end
              else
                log_info(sql, name, 0)
                nil
              end
            rescue Exception => e
              # Log message and raise exception.
              # Set last_verfication to 0, so that connection gets verified
              # upon reentering the request loop
              @last_verification = 0
              message = "#{e.class.name}: #{e.message}: #{sql}"
              log_info(message, name, 0)
              raise ActiveRecord::StatementInvalid, message
            end