# File lib/heroku/command/pgbackups.rb, line 260
      def render(*data)
        _data = data
        data = DataSource.new(data, @opts)

        # join in grid lines
        lines = []
        data.rows.each { |row|
          lines << row.join(@opts[:delimiter] || " | ")
        }

        # insert header grid line
        if _data.length > 1
          grid_row = data.rows.first.map { |datum| "-" * datum.length }
          grid_line = grid_row.join("-+-")
          lines.insert(1, grid_line)
          lines << "" # trailing newline
        end
        return lines.join("\n")
      end