Megatest

      ((< mver 1.27)
       (db:set-var db "MEGATEST_VERSION" 1.27)
       (sqlite3:execute db "ALTER TABLE test_data ADD COLUMN type TEXT DEFAULT '';")
       (patch-db))
      ((< mver 1.29)
       (db:set-var db "MEGATEST_VERSION" 1.29)
       (sqlite3:execute db "ALTER TABLE test_steps ADD COLUMN logfile TEXT;")
       (sqlite3:execute db "ALTER TABLE tests ADD COLUMN shortdir TEXT DEFAULT '';")
       (sqlite3:execute db "CREATE TABLE IF NOT EXISTS tasks_queue (id INTEGER PRIMARY KEY,
                                action TEXT DEFAULT '',
                                owner TEXT,
                                state TEXT DEFAULT 'new',
                                target TEXT DEFAULT '',
                                name TEXT DEFAULT '',
                                test TEXT DEFAULT '',
                                item TEXT DEFAULT '',
                                creation_time TIMESTAMP,
                                execution_time TIMESTAMP);")
       (sqlite3:execute db "CREATE TABLE IF NOT EXISTS monitors (id INTEGER PRIMARY KEY,
                                pid INTEGER,
                                start_time TIMESTAMP,
                                last_update TIMESTAMP,
                                hostname TEXT,
                                username TEXT,
                               CONSTRAINT monitors_constraint UNIQUE (pid,hostname));")
       (patch-db))
      ((< mver megatest-version)
       (db:set-var db "MEGATEST_VERSION" megatest-version))))))

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