    # File lib/active_record/vendor/db2.rb, line 340
        def adjust_content(c)
          case c.class.to_s
          when 'DB2CLI::NullClass'
            return nil
          when 'DB2CLI::Time'
            "%02d:%02d:%02d" % [c.hour, c.minute, c.second]
          when 'DB2CLI::Date'
            "%04d-%02d-%02d" % [c.year, c.month, c.day]
          when 'DB2CLI::Timestamp'
            "%04d-%02d-%02d %02d:%02d:%02d" % [c.year, c.month, c.day, c.hour, c.minute, c.second]
          else
            return c
          end
        end