SET
BEGIN
DECLARE CURSOR
COMMIT
BEGIN
DECLARE CURSOR
COMMIT
  ?column?  | pg_backend_pid 
------------+----------------
 spray-done |            100
(1 row)

 pg_sleep 
----------
 
(1 row)

psql:/tmp/finale.sql:12: ERROR:  levenshtein distance out of range
   ?column?   | ?column? 
--------------+----------
 post-trigger |       42
(1 row)