Megatest

                              id           INTEGER PRIMARY KEY,
                              test_id      INTEGER,
                              state        TEXT DEFAULT 'new',
                              status       TEXT DEFAULT 'n/a',
                              archive_type TEXT DEFAULT 'bup',
                              du           INTEGER,
                              archive_path TEXT);")))

        (db:create-triggers db)    
     db)) ;; )

;;======================================================================
;; A R C H I V E S
;;======================================================================

;;======================================================================
;; lazy-safe get file mod time. on any error (file not existing etc.) return 0
;;
(define (dbfile:lazy-modification-time fpath)
  (handle-exceptions
      exn
    (begin
      (dbfile:print-err "Failed to get modification time for " fpath ", treating it as zero. exn=" exn)
      0)
    (if (file-exists? fpath)
	(file-modification-time fpath)
	0)))

;;======================================================================
;; find timestamp of newest file associated with a sqlite db file

	 (config-reruns      (let ((x (configf:lookup *configdat* "setup" "reruns")))
			       (if x (string->number x) #f)))
	 (allowed-tests      #f)
	 (runconf            #f))

    ;; check if readonly
    (when readonly-mode
      (debug:print-error 0 *default-log-port* "Megatest database is readonly.  Cannot proceed.")
      (exit 1))

    ;; per user request. If less than 100Meg space on dbdir partition, bail out with error
    ;; this will reduce issues in database corruption
    (common:check-db-dir-and-exit-if-insufficient)

    ;; override the number of reruns from the configs

	 (state-status (if (string? new-state-status) (string-split new-state-status ",") '(#f #f)))
	 (rp-mutex     (make-mutex))
	 (bup-mutex    (make-mutex))
         (keep-records (args:get-arg "-keep-records")) ;; used in conjunction with -remove-runs to keep the records, TODO: consolidate this with "mode".
	 (test-records '())) ;; for tasks that we wish to operate on all tests in one fell swoop

    (let* ((write-access-actions '(remove-runs set-state-status archive run-wait kill-runs))
           (dbfile             (conc  *toppath* "/.db/main.db"))
           (readonly-mode      (not (file-write-access? dbfile))))
      (when (and readonly-mode
                 (member action write-access-actions))
        (debug:print-error 0 *default-log-port* dbfile " is readonly.  Cannot proceed with action ["action"] in which write-access isrequired .")
        (exit 1)))
    
    (debug:print-info 4 *default-log-port* "runs:operate-on => Header: " header " action: " action " new-state-status: " new-state-status)
    (if (> 2 (length state-status))
	(begin
	  (debug:print-error 0 *default-log-port* "the parameter to -set-state-status is a comma delimited string. E.g. COMPLETED,FAIL")
	  (exit)))

 ;; dbfile:add-dbdat
 ;; db:initialize-main-db
 ;; dbfile:set-subdb
 ;; db:with-db
 ;; dbfile:get-subdb
 )

;; *************** dbfile.scm tests ****************

(define tmpdir (common:get-db-tmp-area))
(test #f #t (dbr:dbstruct? (dbfile:setup #t *toppath* tmpdir)))
(test #f #t (dbr:dbstruct? (db:setup #t)))
(define dbstruct *dbstruct-dbs*)
(test #f #t (dbr:dbdat? (dbfile:open-db *dbstruct-dbs* #f db:initialize-main-db)))
(define maindbdat (dbfile:open-db *dbstruct-dbs* #f db:initialize-main-db))
(dbfile:add-dbdat dbstruct #f maindbdat)

(test #f #t (dbr:dbdat? (dbfile:get-dbdat dbstruct 1)))

(test #f #t (db:close-all dbstruct))

(test #f #t (db:safely-close-sqlite3-db (dbr:dbdat-dbh rundbdat) (dbr:dbdat-stmt-cache rundbdat)))
(test #f #t (db:safely-close-sqlite3-db (dbr:dbdat-dbh maindbdat) (dbr:dbdat-stmt-cache maindbdat)))

(test #f #t (> (dbfile:lazy-sqlite-db-modification-time ".db/main.db") 0))

(test #f #t (common:simple-file-lock "./db.lock"))
(test #f "./db.lock" (common:simple-file-release-lock "./db.lock"))



;; *************** db.scm tests ****************


(define thisdbdat (db:open-db dbstruct #f))
(test #f #t (dbr:dbdat? thisdbdat))