Megatest

       (sqlite3:execute db "ALTER TABLE test_meta ADD COLUMN jobgroup TEXT DEFAULT 'default';"))
      ((< mver 1.37)
       (db:set-var db "MEGATEST_VERSION" 1.37)
       (sqlite3:execute db "ALTER TABLE tests ADD COLUMN archived INTEGER DEFAULT 0;")) 
      ((< mver megatest-version)
       (db:set-var db "MEGATEST_VERSION" megatest-version))))))

;;======================================================================
;; M A I N T E N A N C E
;;======================================================================

(define (db:find-and-mark-incomplete db)
  (let ((incompleted '()))
    (sqlite3:for-each-row 
     (lambda (test-id)
       (set! incompleted (cons test-id incompleted)))
     db
     "SELECT id FROM tests WHERE event_time<? AND state IN ('RUNNING','REMOTEHOSTSTART');"
     (- (current-seconds) 600)) ;; in RUNNING or REMOTEHOSTSTART for more than 10 minutes
    (sqlite3:for-each-row
     (lambda (test-id)
       (set! incompleted (cons test-id incompleted)))
     db
     "SELECT id FROM tests WHERE event_time<? AND state IN ('LAUNCHED');"
     (- (current-seconds)(* 60 60 24))) ;; in LAUNCHED for more than one day. Could be long due to job queues TODO/BUG: Need override for this in config
    ;; These are defunct tests, do not do all the overhead of set-state-status. Force them to INCOMPLETE.
    (if (> (length incompleted) 0)
	(begin
	  (debug:print 0 "WARNING: Marking test(s); " (string-intersperse (map conc incompleted) ", ") " as INCOMPLETE")
	  (sqlite3:execute 
	   db
	   (conc "UPDATE tests SET state='INCOMPLETE' WHERE id IN (" 
		 (string-intersperse (map conc incompleted) ",")
		 ");"))))))
		     
;; Clean out old junk and vacuum the database
;;
;; Ultimately do something like this:
;;
;; 1. Look at test records either deleted or part of deleted run:
;;    a. If test dir exists, set the the test to state='UNKNOWN', Set the run to 'unknown'
;;    b. If test dir gone, delete the test record

			     count-stmt)
       (map sqlite3:execute statements)
       (sqlite3:for-each-row (lambda (tot)
			       (debug:print-info 0 "Records count after  clean: " tot))
			     count-stmt)))
    (map sqlite3:finalize! statements)
    (sqlite3:finalize! count-stmt)
    (db:find-and-mark-incomplete db)
    (sqlite3:execute db "VACUUM;")))

;; (define (db:report-junk-records db)


;;======================================================================
;; meta get and set vars

	(registry-mutex        (make-mutex))
	(num-retries           0)
	(max-retries           (config-lookup *configdat* "setup" "maxretries"))
	(max-concurrent-jobs   (let ((mcj (config-lookup *configdat* "setup"     "max_concurrent_jobs")))
				 (if (and mcj (string->number mcj))
				     (string->number mcj)
				     1))) ;; length of the register queue ahead
	(reglen                (if (number? reglen-in) reglen-in 1))
	(last-time-incomplete  (- (current-seconds) 610)))

    ;; Initialize the test-registery hash with tests that already have a record
    ;; convert state to symbol and use that as the hash value
    (for-each (lambda (trec)
		(let ((id (db:test-get-id        trec))
		      (tn (db:test-get-testname  trec))
		      (ip (db:test-get-item-path trec))
		      (st (db:test-get-state     trec)))
		  (if (not (equal? st "DELETED"))
		      (hash-table-set! test-registry (runs:make-full-test-name tn ip) (string->symbol st)))))
	      tests-info)
    (set! max-retries (if (and max-retries (string->number max-retries))(string->number max-retries) 100))

    (let loop ((hed         (car sorted-test-names))
	       (tal         (cdr sorted-test-names))
	       (reg         '()) ;; registered, put these at the head of tal 
	       (reruns      '()))
      (if (not (null? reruns))(debug:print-info 4 "reruns=" reruns))

      ;; Here we mark any old defunct tests as incomplete. Do this every five minutes
      (if (> (current-seconds)(+ last-time-incomplete 300))
	  (begin
	    (set! last-time-incomplete (current-seconds))
	    (cdb:remote-run db:find-and-mark-incomplete #f)))

      ;; (print "Top of loop, hed=" hed ", tal=" tal " ,reruns=" reruns)
      (let* ((test-record (hash-table-ref test-records hed))
	     (test-name   (tests:testqueue-get-testname test-record))
	     (tconfig     (tests:testqueue-get-testconfig test-record))
	     (jobgroup    (config-lookup tconfig "requirements" "jobgroup"))
	     (testmode    (let ((m (config-lookup tconfig "requirements" "mode")))