1 create view user_view as
8 (select count(*) from post p where p.creator_id = u.id) as number_of_posts,
9 (select coalesce(sum(score), 0) from post p, post_like pl where u.id = p.creator_id and p.id = pl.post_id) as post_score,
10 (select count(*) from comment c where c.creator_id = u.id) as number_of_comments,
11 (select coalesce(sum(score), 0) from comment c, comment_like cl where u.id = c.creator_id and c.id = cl.comment_id) as comment_score