FQL stream doesn't return the number of posts as defined by limit
问题 I tried "SELECT post_id, actor_id, target_id, message, likes FROM stream WHERE source_id = me() LIMIT 100" , which returns me 81 instead of 100 posts, then I tried "SELECT post_id, actor_id, target_id, message, likes FROM stream WHERE source_id = me() LIMIT 50" , and expecting it returns 50 posts since the first query returns 81, but the result only contains 43 post. Wondering how LIMIT work. Besides, the created_time doesn't really works for me, "SELECT post_id, actor_id, target_id, message,