Megatest

	       (db-targets  (args:get-arg "-list-db-targets"))
	       (seen        (make-hash-table))
	       (dmode       (let ((d (args:get-arg "-dumpmode")))
			      (if d (string->symbol d) #f)))
	       (data        (make-hash-table))
	       (fields-spec (if (args:get-arg "-fields")
				(extract-fields-constraints (args:get-arg "-fields"))
				(list (list "runs"  "id" "target"   "runname")
				(list (cons "runs" (append keys (list "id" "runname" "state" "status" "owner" "event_time" "comment" "fail_count" "pass_count")))
				      (cons "tests"  db:test-record-fields) ;; "id" "testname" "test_path")
				      (list "steps" "id" "stepname"))))
	       (runs-spec   (let ((r (alist-ref "runs"  fields-spec equal?)))
			      (if (and r (not (null? r))) r (list "id"))))
	       (runs-spec   (let ((r (alist-ref "runs"  fields-spec equal?))) ;; the check is now unnecessary
			      (if (and r (not (null? r))) r (list "id" ))))
	       (tests-spec  (let ((t (alist-ref "tests" fields-spec equal?)))
			      (if (and t (null? t)) ;; all fields
				  db:test-record-fields
				  t)))
	       (adj-tests-spec (delete-duplicates (if tests-spec (cons "id" tests-spec) db:test-record-fields))) ;; '("id"))))
	       (steps-spec  (alist-ref "steps" fields-spec equal?))
	       (test-field-index (make-hash-table)))