Megatest

	       (hash-table-set! field->num field count)
	       (set! count (+ count 1)))
	     fields)

	    ;; read the source table
            ;; store a list of all rows in the table in fromdat, up to batch-len.
            ;; Then add fromdat to the fromdats list, clear fromdat and repeat.
            (sqlite3:with-transaction 
              (dbr:dbdat-dbh fromdb)
              (lambda ()
	    (sqlite3:for-each-row
	     (lambda (a . b)
	       (set! fromdat (cons (apply vector a b) fromdat))
	       (if (> (length fromdat) batch-len)
		   (begin
		     (set! fromdats (cons fromdat fromdats))
		     (set! fromdat  '())
		     (set! totrecords (+ totrecords 1)))
               )
             )
	     (dbr:dbdat-dbh fromdb)
	     full-sel)
	        (sqlite3:for-each-row
	          (lambda (a . b)
	            (set! fromdat (cons (apply vector a b) fromdat))
	            (if (> (length fromdat) batch-len)
		      (begin
		        (set! fromdats (cons fromdat fromdats))
		        (set! fromdat  '())
		        (set! totrecords (+ totrecords 1)))
                    )
                 )
	         (dbr:dbdat-dbh fromdb)
	         full-sel)
              )
            )

             ;; Count less than batch-len as a record
             (if (> (length fromdat) 0)
                 (set! totrecords (+ totrecords 1)))

	    ;; tack on remaining records in fromdat
	    (if (not (null? fromdat))