log (ActiveRecord::ConnectionAdapters::AbstractAdapter)

    # File lib/active_record/connection_adapters/abstract_adapter.rb, line 201
            def log(sql, name)
              if block_given?
                result = nil
                ms = Benchmark.ms { result = yield }
                @runtime += ms
                log_info(sql, name, ms)
                result
              else
                log_info(sql, name, 0)
                nil
              end
            rescue Exception => e
              # Log message and raise exception.
              # Set last_verification 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