# File lib/big_record/connection_adapters/hbase_rest_adapter.rb, line 87
      def update_raw(table_name, row, values, timestamp)
        result = nil

        columns = columns_to_hbase_format(values)
        timestamp ||= Time.now.to_bigrecord_timestamp

        log "UPDATE #{table_name} SET #{values.inspect if values} WHERE ROW=#{row};" do
          @connection.create_row(table_name, row, timestamp, columns)
        end
        result
      end