Megatest

    (if (> (abs (- *last-global-delta-printed* *global-delta*)) 0.08) ;; don't print all the time, only if it changes a bit
	(begin
	  (debug:print-info 4 "launch throttle factor=" *global-delta*)
	  (set! *last-global-delta-printed* *global-delta*)))
    res))

(define (db:set-var dbstruct var val)
  (db:delay-if-busy)
  (sqlite3:execute (db:get-db dbstruct #f) "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);" var val))

(define (db:del-var dbstruct var)
  (db:delay-if-busy)
  (sqlite3:execute (db:get-db dbstruct #f) "DELETE FROM metadat WHERE var=?;" var))

;; use a global for some primitive caching, it is just silly to
;; re-read the db over and over again for the keys since they never
;; change

;; why get the keys from the db? why not get from the *configdat*

	 (allvals   (append (list runname state status user) (map cadr keyvals)))
	 (qryvals   (append (list runname) (map cadr keyvals)))
	 (key=?str  (string-intersperse (map (lambda (k)(conc k "=?")) keys) " AND ")))
    (debug:print 3 "keys: " keys " allvals: " allvals " keyvals: " keyvals " key=?str is " key=?str)
    (debug:print 2 "NOTE: using target " (string-intersperse (map cadr keyvals) "/") " for this run")
    (if (and runname (null? (filter (lambda (x)(not x)) keyvals))) ;; there must be a better way to "apply and"
	(let ((res #f))
	  (db:delay-if-busy)
	  (apply sqlite3:execute db (conc "INSERT OR IGNORE INTO runs (runname,state,status,owner,event_time" comma keystr ") VALUES (?,?,?,?,strftime('%s','now')" comma valslots ");")
		 allvals)
	  (apply sqlite3:for-each-row 
		 (lambda (id)
		   (set! res id))
		 db
		 (let ((qry (conc "SELECT id FROM runs WHERE (runname=? " andstr key=?str ");")))
					;(debug:print 4 "qry: " qry) 
		   qry)
		 qryvals)
	  (db:delay-if-busy)
	  (sqlite3:execute db "UPDATE runs SET state=?,status=?,event_time=strftime('%s','now') WHERE id=? AND state='deleted';" state status res)
	  res) 
	(begin
	  (debug:print 0 "ERROR: Called without all necessary keys")
	  #f))))

;; replace header and keystr with a call to runs:get-std-run-fields

     run-id)
    (debug:print-info 11 "db:get-run-info run-id: " run-id " header: " header " keystr: " keystr)
    (let ((finalres (vector header res)))
      ;; (hash-table-set! *run-info-cache* run-id finalres)
      finalres)))

(define (db:set-comment-for-run dbstruct run-id comment)
  (db:delay-if-busy)
  (sqlite3:execute (db:get-db dbstruct #f) "UPDATE runs SET comment=? WHERE id=?;" comment ;; (sdb:qry 'getid comment)
		   run-id))

;; does not (obviously!) removed dependent data. But why not!!?
(define (db:delete-run dbstruct run-id)
  ;; First set any related tests to DELETED
  (let ((db (db:get-db dbstruct run-id)))
    (db:delay-if-busy)
    (sqlite3:execute db "UPDATE tests SET state='DELETED',comment='';")
    (sqlite3:execute db "DELETE FROM test_steps;")
    (sqlite3:execute db "DELETE FROM test_data;")
    (sqlite3:execute (db:get-db dbstruct #f) "UPDATE runs SET state='deleted',comment='' WHERE id=?;" run-id)))

(define (db:update-run-event_time dbstruct run-id)
  (db:delay-if-busy)
  (sqlite3:execute (db:get-db dbstruct #f) "UPDATE runs SET event_time=strftime('%s','now') WHERE id=?;" run-id))

(define (db:lock/unlock-run dbstruct run-id lock unlock user)
  (let ((newlockval (if lock "locked"
			(if unlock
			    "unlocked"
			    "locked")))) ;; semi-failsafe
    (sqlite3:execute (db:get-db dbstruct #f) "UPDATE runs SET state=? WHERE id=?;" newlockval run-id)
    (db:delay-if-busy)
    (sqlite3:execute (db:get-db dbstruct #f) "INSERT INTO access_log (user,accessed,args) VALUES(?,strftime('%s','now'),?);"
		     user (conc newlockval " " run-id))
    (debug:print-info 1 "" newlockval " run number " run-id)))

(define (db:set-run-status db run-id status #!key (msg #f))
  (db:delay-if-busy)
  (if msg
      (sqlite3:execute db "UPDATE runs SET status=?,comment=? WHERE id=?;" status msg run-id)
      (sqlite3:execute db "UPDATE runs SET status=? WHERE id=?;" status run-id)))

(define (db:get-run-status db run-id)
  (let ((res "n/a"))
    (sqlite3:for-each-row 

;; get a useful subset of the tests data (used in dashboard
;; use db:mintests-get-{id ,run_id,testname ...}
(define (db:get-tests-for-runs-mindata dbstruct run-ids testpatt states statuses not-in)
  (db:get-tests-for-runs dbstruct run-ids testpatt states statuses not-in: not-in qryvals: "id,run_id,testname,state,status,event_time,item_path"))

(define (db:get-tests-for-runs dbstruct run-ids testpatt states statuses #!key (not-in #f)(qryvals #f))
  (db:delay-if-busy)
  (let ((res '()))
    (for-each 
     (lambda (run-id)
       (set! res (append 
		  res 
		  (db:get-tests-for-run dbstruct run-id testpatt states statuses #f #f not-in #f #f qryvals))))
     (if run-ids
	 run-ids
	 (db:get-all-run-ids dbstruct)))
    res))

;; Convert calling routines to get list of run-ids and loop, do not use the get-tests-for-runs
;;

(define (db:delete-test-records dbstruct run-id test-id)
  (let ((db (db:get-db dbstruct run-id)))
    (db:general-call db 'delete-test-step-records (list test-id))
    (db:delay-if-busy)
    (db:general-call db 'delete-test-data-records (list test-id))
    (sqlite3:execute db "UPDATE tests SET state='DELETED',status='n/a',comment='' WHERE id=?;" test-id)))

(define (db:delete-tests-for-run dbdbstruct run-id)
  (let ((db (db:get-db dbstruct run-id)))
     (sqlite3:execute db "DELETE FROM tests WHERE run_id=?;" run-id)))

(define (db:set-tests-state-status dbstruct run-id testnames currstate currstatus newstate newstatus)
  (for-each (lambda (testname)
	      (let ((qry (conc "UPDATE tests SET state=?,status=? WHERE "
			       (if currstate  (conc "state='" currstate "' AND ") "")
			       (if currstatus (conc "status='" currstatus "' AND ") "")
			       " run_id=? AND testname=? AND NOT (item_path='' AND testname in (SELECT DISTINCT testname FROM tests WHERE testname=? AND item_path != ''));")))
		;;(debug:print 0 "QRY: " qry)
		(db:delay-if-busy)
		(sqlite3:execute (db:get-db dbstruct run-id) qry run-id newstate newstatus testname testname)))
	    testnames))

;; speed up for common cases with a little logic
;; NB// Ultimately this will be deprecated in deference to mt:test-set-state-status-by-id
;;
(define (db:test-set-state-status-by-id dbstruct run-id test-id newstate newstatus newcomment)
  (db:delay-if-busy)
  (let ((db (db:get-db dbstruct run-id)))
    (cond
     ((and newstate newstatus newcomment)
    (sqlite3:execute db "UPDATE tests SET state=?,status=?,comment=? WHERE id=?;" newstate newstatus newcomment ;; (sdb:qry 'getid newcomment)
		     test-id))
     ((and newstate newstatus)
      (sqlite3:execute db "UPDATE tests SET state=?,status=? WHERE id=?;" newstate newstatus test-id))
     (else
      (if newstate   (sqlite3:execute db "UPDATE tests SET state=?   WHERE id=?;" newstate   test-id))
      (if newstatus  (sqlite3:execute db "UPDATE tests SET status=?  WHERE id=?;" newstatus  test-id))
    (if newcomment (sqlite3:execute db "UPDATE tests SET comment=? WHERE id=?;" newcomment ;; (sdb:qry 'getid newcomment)
				    test-id))))
    (mt:process-triggers run-id test-id newstate newstatus)))

;; Never used, but should be?
(define (db:test-set-state-status-by-run-id-testname db run-id test-name item-path status state)
  (db:delay-if-busy)
  (sqlite3:execute db "UPDATE tests SET state=?,status=?,event_time=strftime('%s','now') WHERE run_id=? AND testname=? AND item_path=?;" 
 		   state status run-id test-name item-path))

;; NEW BEHAVIOR: Count tests running in only one run!
;;
(define (db:get-count-tests-running dbstruct run-id)
  (let ((res 0))

       (set! res (apply vector a b)))
     (db:get-db dbstruct run-id)
     (conc "SELECT " db:test-record-qry-selector " FROM tests WHERE testname=? AND item_path=?;")
     test-name item-path)
    res))

(define (db:test-get-rundir-from-test-id dbstruct run-id test-id)
  (db:delay-if-busy)
  (let ((db (db:get-db dbstruct run-id))
	(res #f))
    (sqlite3:for-each-row
     (lambda (tpath)
       (set! res tpath))
     (db:get-db dbstruct run-id)
     "SELECT rundir FROM tests WHERE id=?;"

;; 						    (thread-sleep! sleep-time)
;; 						    (debug:print-info 0 "trying db call one more time....this may never recover, if necessary kill process " (current-process-id) " on host " (get-host-name) " to clean up")
;; 						    (proc (- remtries 1)))))
;; 					       (apply sqlite3:execute db query params))
;; 					      (debug:print 0 "ERROR: too many attempts to access db were made and no sucess. query: "
;; 							   query ", params: " params))))
;; 			     (proc remtries))
(define (db:delay-if-busy #!key (count 5))
  (let ((dbfj (conc *toppath* "/megatest.db-journal")))
    (if (file-exists? dbfj)
	(case count
	  ((5)
	   (thread-sleep! 0.1)
	   (db:delay-if-busy count: 4))
	  ((4)
	   (thread-sleep! 0.4)
	   (db:delay-if-busy count: 3))
	  ((3)
	   (thread-sleep! 1.0)
	   (db:delay-if-busy count: 2))
	  ((2)
	   (thread-sleep! 2.0)
	   (db:delay-if-busy count: 1))
	  ((1)
	   (thread-sleep! 5.0)
	   (db:delay-if-busy count: 0))
	  (else
	   (debug:print-info 0 "delaying db access due to high database load.")
	   (thread-sleep! 10))))))
;; (db:delay-if-busy)
;; (apply sqlite3:execute db query params)))
;; (db:delay-if-busy)

(define (db:test-get-records-for-index-file dbstruct run-id test-name)
  (let ((res '()))
    (sqlite3:for-each-row 
     (lambda (id itempath state status run_duration logf-id comment-id)
       (let ((logf    (db:get-string dbstruct logf-id))
	     (comment (db:get-string dbstruct comment-id)))

     (db:get-db dbstruct #f)
     "SELECT id,testname,author,owner,description,reviewed,iterated,avg_runtime,avg_disk,tags,jobgroup FROM test_meta WHERE testname=?;"
     testname)
    res))

;; create a new record for a given testname
(define (db:testmeta-add-record dbstruct testname)
  (db:delay-if-busy)
  (sqlite3:execute (db:get-db dbstruct #f) "INSERT OR IGNORE INTO test_meta (testname,author,owner,description,reviewed,iterated,avg_runtime,avg_disk,tags) VALUES (?,'','','','','','','','');" testname))

;; update one of the testmeta fields
(define (db:testmeta-update-field dbstruct testname field value)
  (db:delay-if-busy)
  (sqlite3:execute (db:get-db dbstruct #f) (conc "UPDATE test_meta SET " field "=? WHERE testname=?;") value testname))

(define (db:testmeta-get-all dbstruct)
  (let ((res '()))
    (sqlite3:for-each-row
     (lambda (a . b)
       (set! res (cons (apply vector a b) res)))