anchor.diff:           (new-value  (dump-resultset data-stream
                                        resultset
                                        idx
  -                                     comparator)))
  +                                     comparator
  +                                     progress)))
       (list :table table
             :columns columns
             :incremental incremental
  
positive.code:                                             :limit limit
                                              :columns columns
                                              :incremental incremental
                                              :last-value last-value)))
                (when write-receipt-path
                  (write-receipt write-receipt-path new-receipt)))))))))
  
  
negative.code:       (usage)
        (bind ((config (make-config options))
               ((:plist uri table columns limit incremental last-value
                        output-path read-receipt-path write-receipt-path
                        progress)
                (prepare-parameters config))
               (receipt (when read-receipt-path
                          (read-receipt read-receipt-path))))
  