select sub.id, count(s) from FeedEntryStatus s LEFT JOIN s.subscription sub where sub.user=:user and s.read=false group by sub.id
select new com.commafeed.backend.dao.FeedEntryDAO$EntryWithFeed(e, f) FROM FeedEntry e LEFT JOIN e.feedRelationships f WITH f.feed.id = :feedId where e.guidHash = :guidHash and e.url = :url
delete from FeedEntryStatus s where s.id in :ids
delete from FeedFeedEntry ffe where ffe.feed.id = :feedId