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      1 def migrate_up(manager):
      2     raise Exception('migrate.py should be migrating directly to schema 51 '
      3                     'instead of running migration 1...')
      4 
      5 
      6 def migrate_down(manager):
      7     manager.execute_script(DROP_DB_SQL)
      8 
      9 
     10 DROP_DB_SQL = """\
     11 DROP TABLE IF EXISTS `acl_groups`;
     12 DROP TABLE IF EXISTS `acl_groups_hosts`;
     13 DROP TABLE IF EXISTS `acl_groups_users`;
     14 DROP TABLE IF EXISTS `autotests`;
     15 DROP TABLE IF EXISTS `host_queue_entries`;
     16 DROP TABLE IF EXISTS `hosts`;
     17 DROP TABLE IF EXISTS `hosts_labels`;
     18 DROP TABLE IF EXISTS `ineligible_host_queues`;
     19 DROP TABLE IF EXISTS `jobs`;
     20 DROP TABLE IF EXISTS `labels`;
     21 DROP TABLE IF EXISTS `users`;
     22 """
     23