build_cells

# File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 155
        def build_cells(items, widths)
          cells = []
          items.each_with_index do |item, i|
            item = 'NULL' if item.nil?
            justifier = item.is_a?(Numeric) ? 'rjust' : 'ljust'
            cells << item.to_s.send(justifier, widths[i])
          end
          '| ' + cells.join(' | ') + ' |'
        end