text: INSERT INTO keys VALUES ('test.alpha');
  
  INSERT INTO penalties VALUES ('unknown', 'Unknown!', 'un => known');
  INSERT INTO deadline_rules VALUES ('test.a*', t(), 'unknown');
  
  SELECT deadline, penalty_id INTO STRICT result FROM keys WHERE key = 'test.alpha';
  PERFORM assert(result.deadline IS NOT DISTINCT FROM t(), t()::TEXT || result::TEXT);
  PERFORM assert(result.penalty_id IS NOT DISTINCT FROM 'unknown');
  
  DELETE FROM deadline_rules;
  
  SELECT deadline, penalty_id INTO STRICT result FROM keys WHERE key = 'test.alpha';
  PERFORM assert(result.deadline IS NULL);
  PERFORM assert(result.penalty_id IS NULL);
  