Megatest

         ;; TODO: couldn't we just use changed_run_ids for run_ids?
         (run_ids 
          (db:with-db dbstruct #f #f 
            (lambda (dbdat db)
              (sqlite3:fold-row backcons '() db "SELECT id FROM runs  WHERE last_update>=?" since-time))
          )
         )
         (run_stat_ids
          (db:with-db dbstruct #f #f 
            (lambda (dbdat db)
              (sqlite3:fold-row backcons '() db "SELECT id FROM run_stats  WHERE last_update>=?" since-time))
          )
         )
        )
        (for-each
          (lambda (run_id)
           (set! all_tests 
             (append 
               (map (lambda (x) (cons x run_id))                
                (db:with-db dbstruct run_id #f 
                  (lambda (dbdat db)
                    (sqlite3:fold-row backcons '() db "SELECT id FROM tests  WHERE run_id=? and last_update>=?" run_id since-time)
                  )
                )
               ) all_tests
              )
            )
            (set! all_test_steps 
              (append 
                (map (lambda (x) (cons x run_id))
                  (db:with-db dbstruct run_id #f 
                    (lambda (dbdat db)
                      (sqlite3:fold-row backcons '() db "SELECT id FROM test_steps WHERE last_update>=?" since-time)
                    )
                  )
                ) all_test_steps
              )
            )
            (set! all_test_data 
              (append 
                (map (lambda (x) (cons x run_id))
                  (db:with-db dbstruct run_id #f 
                    (lambda (dbdat db)
                      (sqlite3:fold-row backcons '() db "SELECT id FROM test_data  WHERE last_update>=?" since-time)
                    )
                  )
                ) all_test_data
              )
            )
          )
          changed_run_ids
        )
        (debug:print 2 *default-log-port*  "run_ids = " run_ids)
        (debug:print 2 *default-log-port*  "all_tests = " all_tests)

      `((runs       . ,run_ids)
        (tests      . ,all_tests)
        (test_steps . ,all_test_steps)
        (test_data  . ,all_test_data)
        (run_stats  . ,run_stat_ids)
       )
  )
)

;;======================================================================
;; Extract ods file from the db
;;======================================================================