use hrwiki_p;

SELECT * FROM ipblocks

  INNER JOIN actor ON actor.actor_id = ipblocks.ipb_by_actor

  INNER JOIN user blocker ON actor.actor_user = blocker.user_id

  INNER JOIN user blockee ON ipblocks.ipb_user = blockee.user_id

  INNER JOIN comment on comment.comment_id = ipblocks.ipb_reason_id

  WHERE (blocker.user_name="Kubura" OR blocker.user_name="Speedy Gonsales" OR blocker.user_name="Zaljko" OR blocker.user_name="Roberta_F.") AND

    blockee.user_editcount > 10

;