Megatest

    (hash-table-ref/default (dbr:dbstruct-subdbs dbstruct) dbfname #f)))

(define (dbfile:set-subdb dbstruct run-id subdb)
  (hash-table-set! (dbr:dbstruct-subdbs dbstruct) (dbfile:run-id->dbname run-id) subdb))

;; (define *dbfile:num-handles-in-use* 0)

;; Get/open a database.
;;
;;    NOTE: most usage should call dbfile:open-db to get a dbdat
;;
;;    if run-id => get run specific db
;;    if #f     => get main db
;;    if run-id is a string treat it as a filename - DON'T use this - we'll get rid of it.
;;    if db already open - return inmem
;;    if db not open, open inmem, rundb and sync then return inmem
;;    inuse gets set automatically for rundb's
;;
(define (dbfile:get-dbdat dbstruct run-id)
  (let* ((subdb (dbfile:get-subdb dbstruct run-id)))
    (if (stack-empty? (dbr:subdb-dbstack subdb))