select doc_id from request
where id in
  (select r.root_id from request r, action a where  a.request_id = r.id and a.ID
   in (1253960076) );

SELECT r.doc_id,a.id
FROM request r
INNER JOIN action a
ON r.id=a.request_id
WHERE a.id in (1253960076)

SELECT
r.doc_id,
a.ID
FROM
request r
INNER JOIN action a ON a.request_id = r.id
WHERE
a.ID IN (1253960076)