mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-12-04 18:21:19 +00:00
31 lines
675 B
MySQL
31 lines
675 B
MySQL
|
create view comment_view as
|
||
|
with all_comment as
|
||
|
(
|
||
|
select
|
||
|
c.*,
|
||
|
(select name from user_ where c.creator_id = user_.id) creator_name,
|
||
|
coalesce(sum(cl.score), 0) as score,
|
||
|
count (case when cl.score = 1 then 1 else null end) as upvotes,
|
||
|
count (case when cl.score = -1 then 1 else null end) as downvotes
|
||
|
from comment c
|
||
|
left join comment_like cl on c.id = cl.comment_id
|
||
|
group by c.id
|
||
|
)
|
||
|
|
||
|
select
|
||
|
ac.*,
|
||
|
u.id as user_id,
|
||
|
coalesce(cl.score, 0) as my_vote
|
||
|
from user_ u
|
||
|
cross join all_comment ac
|
||
|
left join comment_like cl on u.id = cl.user_id and ac.id = cl.comment_id
|
||
|
|
||
|
union all
|
||
|
|
||
|
select
|
||
|
ac.*,
|
||
|
null as user_id,
|
||
|
null as my_vote
|
||
|
from all_comment ac
|
||
|
;
|