1UP_SQL = """ 2ALTER TABLE `host_queue_entries` DROP COLUMN `priority`; 3""" 4 5DOWN_SQL = """ 6ALTER TABLE `host_queue_entries` ADD COLUMN `priority` int(11) default NULL 7""" 8 9def migrate_up(manager): 10 manager.execute_script(UP_SQL) 11 12 13def migrate_down(manager): 14 manager.execute_script(DOWN_SQL) 15