text: # --- !Ups
  
  ALTER TABLE target ADD COLUMN ignore_cookies BOOLEAN;
  ALTER TABLE target ADD COLUMN crawl_rate VARCHAR(32);
  ALTER TABLE target ADD COLUMN parallel_queues VARCHAR(32);
  
  # --- !Downs
  
  ALTER TABLE target DROP COLUMN ignore_cookies;
  ALTER TABLE target DROP COLUMN crawl_rate;
  ALTER TABLE target DROP COLUMN parallel_queues;
  