mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-11-05 12:05:01 +00:00
437 lines
12 KiB
PL/PgSQL
Vendored
437 lines
12 KiB
PL/PgSQL
Vendored
-- post
|
|
create view post_aggregates_view as
|
|
select
|
|
p.*,
|
|
(select u.banned from user_ u where p.creator_id = u.id) as banned,
|
|
(select cb.id::bool from community_user_ban cb where p.creator_id = cb.user_id and p.community_id = cb.community_id) as banned_from_community,
|
|
(select name from user_ where p.creator_id = user_.id) as creator_name,
|
|
(select avatar from user_ where p.creator_id = user_.id) as creator_avatar,
|
|
(select name from community where p.community_id = community.id) as community_name,
|
|
(select removed from community c where p.community_id = c.id) as community_removed,
|
|
(select deleted from community c where p.community_id = c.id) as community_deleted,
|
|
(select nsfw from community c where p.community_id = c.id) as community_nsfw,
|
|
(select count(*) from comment where comment.post_id = p.id) as number_of_comments,
|
|
coalesce(sum(pl.score), 0) as score,
|
|
count (case when pl.score = 1 then 1 else null end) as upvotes,
|
|
count (case when pl.score = -1 then 1 else null end) as downvotes,
|
|
hot_rank(coalesce(sum(pl.score) , 0), p.published) as hot_rank
|
|
from post p
|
|
left join post_like pl on p.id = pl.post_id
|
|
group by p.id;
|
|
|
|
create materialized view post_aggregates_mview as select * from post_aggregates_view;
|
|
|
|
create unique index idx_post_aggregates_mview_id on post_aggregates_mview (id);
|
|
|
|
drop view post_view;
|
|
create view post_view as
|
|
with all_post as (
|
|
select
|
|
pa.*
|
|
from post_aggregates_view pa
|
|
)
|
|
select
|
|
ap.*,
|
|
u.id as user_id,
|
|
coalesce(pl.score, 0) as my_vote,
|
|
(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
|
|
(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
|
|
(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
|
|
from user_ u
|
|
cross join all_post ap
|
|
left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
|
|
|
|
union all
|
|
|
|
select
|
|
ap.*,
|
|
null as user_id,
|
|
null as my_vote,
|
|
null as subscribed,
|
|
null as read,
|
|
null as saved
|
|
from all_post ap
|
|
;
|
|
|
|
create view post_mview as
|
|
with all_post as (
|
|
select
|
|
pa.*
|
|
from post_aggregates_mview pa
|
|
)
|
|
select
|
|
ap.*,
|
|
u.id as user_id,
|
|
coalesce(pl.score, 0) as my_vote,
|
|
(select cf.id::bool from community_follower cf where u.id = cf.user_id and cf.community_id = ap.community_id) as subscribed,
|
|
(select pr.id::bool from post_read pr where u.id = pr.user_id and pr.post_id = ap.id) as read,
|
|
(select ps.id::bool from post_saved ps where u.id = ps.user_id and ps.post_id = ap.id) as saved
|
|
from user_ u
|
|
cross join all_post ap
|
|
left join post_like pl on u.id = pl.user_id and ap.id = pl.post_id
|
|
|
|
union all
|
|
|
|
select
|
|
ap.*,
|
|
null as user_id,
|
|
null as my_vote,
|
|
null as subscribed,
|
|
null as read,
|
|
null as saved
|
|
from all_post ap
|
|
;
|
|
|
|
|
|
-- user_view
|
|
drop view user_view;
|
|
create view user_view as
|
|
select
|
|
u.id,
|
|
u.name,
|
|
u.avatar,
|
|
u.email,
|
|
u.fedi_name,
|
|
u.admin,
|
|
u.banned,
|
|
u.show_avatars,
|
|
u.send_notifications_to_email,
|
|
u.published,
|
|
(select count(*) from post p where p.creator_id = u.id) as number_of_posts,
|
|
(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,
|
|
(select count(*) from comment c where c.creator_id = u.id) as number_of_comments,
|
|
(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
|
|
from user_ u;
|
|
|
|
create materialized view user_mview as select * from user_view;
|
|
|
|
create unique index idx_user_mview_id on user_mview (id);
|
|
|
|
-- community
|
|
create view community_aggregates_view as
|
|
select c.*,
|
|
(select name from user_ u where c.creator_id = u.id) as creator_name,
|
|
(select avatar from user_ u where c.creator_id = u.id) as creator_avatar,
|
|
(select name from category ct where c.category_id = ct.id) as category_name,
|
|
(select count(*) from community_follower cf where cf.community_id = c.id) as number_of_subscribers,
|
|
(select count(*) from post p where p.community_id = c.id) as number_of_posts,
|
|
(select count(*) from comment co, post p where c.id = p.community_id and p.id = co.post_id) as number_of_comments,
|
|
hot_rank((select count(*) from community_follower cf where cf.community_id = c.id), c.published) as hot_rank
|
|
from community c;
|
|
|
|
create materialized view community_aggregates_mview as select * from community_aggregates_view;
|
|
|
|
create unique index idx_community_aggregates_mview_id on community_aggregates_mview (id);
|
|
|
|
drop view community_view;
|
|
create view community_view as
|
|
with all_community as
|
|
(
|
|
select
|
|
ca.*
|
|
from community_aggregates_view ca
|
|
)
|
|
|
|
select
|
|
ac.*,
|
|
u.id as user_id,
|
|
(select cf.id::boolean from community_follower cf where u.id = cf.user_id and ac.id = cf.community_id) as subscribed
|
|
from user_ u
|
|
cross join all_community ac
|
|
|
|
union all
|
|
|
|
select
|
|
ac.*,
|
|
null as user_id,
|
|
null as subscribed
|
|
from all_community ac
|
|
;
|
|
|
|
create view community_mview as
|
|
with all_community as
|
|
(
|
|
select
|
|
ca.*
|
|
from community_aggregates_mview ca
|
|
)
|
|
|
|
select
|
|
ac.*,
|
|
u.id as user_id,
|
|
(select cf.id::boolean from community_follower cf where u.id = cf.user_id and ac.id = cf.community_id) as subscribed
|
|
from user_ u
|
|
cross join all_community ac
|
|
|
|
union all
|
|
|
|
select
|
|
ac.*,
|
|
null as user_id,
|
|
null as subscribed
|
|
from all_community ac
|
|
;
|
|
|
|
|
|
-- reply and comment view
|
|
create view comment_aggregates_view as
|
|
select
|
|
c.*,
|
|
(select community_id from post p where p.id = c.post_id),
|
|
(select u.banned from user_ u where c.creator_id = u.id) as banned,
|
|
(select cb.id::bool from community_user_ban cb, post p where c.creator_id = cb.user_id and p.id = c.post_id and p.community_id = cb.community_id) as banned_from_community,
|
|
(select name from user_ where c.creator_id = user_.id) as creator_name,
|
|
(select avatar from user_ where c.creator_id = user_.id) as creator_avatar,
|
|
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;
|
|
|
|
create materialized view comment_aggregates_mview as select * from comment_aggregates_view;
|
|
|
|
create unique index idx_comment_aggregates_mview_id on comment_aggregates_mview (id);
|
|
|
|
drop view reply_view;
|
|
drop view user_mention_view;
|
|
drop view comment_view;
|
|
|
|
create view comment_view as
|
|
with all_comment as
|
|
(
|
|
select
|
|
ca.*
|
|
from comment_aggregates_view ca
|
|
)
|
|
|
|
select
|
|
ac.*,
|
|
u.id as user_id,
|
|
coalesce(cl.score, 0) as my_vote,
|
|
(select cs.id::bool from comment_saved cs where u.id = cs.user_id and cs.comment_id = ac.id) as saved
|
|
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,
|
|
null as saved
|
|
from all_comment ac
|
|
;
|
|
|
|
create view comment_mview as
|
|
with all_comment as
|
|
(
|
|
select
|
|
ca.*
|
|
from comment_aggregates_mview ca
|
|
)
|
|
|
|
select
|
|
ac.*,
|
|
u.id as user_id,
|
|
coalesce(cl.score, 0) as my_vote,
|
|
(select cs.id::bool from comment_saved cs where u.id = cs.user_id and cs.comment_id = ac.id) as saved
|
|
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,
|
|
null as saved
|
|
from all_comment ac
|
|
;
|
|
|
|
create view reply_view as
|
|
with closereply as (
|
|
select
|
|
c2.id,
|
|
c2.creator_id as sender_id,
|
|
c.creator_id as recipient_id
|
|
from comment c
|
|
inner join comment c2 on c.id = c2.parent_id
|
|
where c2.creator_id != c.creator_id
|
|
-- Do union where post is null
|
|
union
|
|
select
|
|
c.id,
|
|
c.creator_id as sender_id,
|
|
p.creator_id as recipient_id
|
|
from comment c, post p
|
|
where c.post_id = p.id and c.parent_id is null and c.creator_id != p.creator_id
|
|
)
|
|
select cv.*,
|
|
closereply.recipient_id
|
|
from comment_view cv, closereply
|
|
where closereply.id = cv.id
|
|
;
|
|
|
|
-- user mention
|
|
create view user_mention_view as
|
|
select
|
|
c.id,
|
|
um.id as user_mention_id,
|
|
c.creator_id,
|
|
c.post_id,
|
|
c.parent_id,
|
|
c.content,
|
|
c.removed,
|
|
um.read,
|
|
c.published,
|
|
c.updated,
|
|
c.deleted,
|
|
c.community_id,
|
|
c.banned,
|
|
c.banned_from_community,
|
|
c.creator_name,
|
|
c.creator_avatar,
|
|
c.score,
|
|
c.upvotes,
|
|
c.downvotes,
|
|
c.user_id,
|
|
c.my_vote,
|
|
c.saved,
|
|
um.recipient_id
|
|
from user_mention um, comment_view c
|
|
where um.comment_id = c.id;
|
|
|
|
-- user
|
|
create or replace function refresh_user()
|
|
returns trigger language plpgsql
|
|
as $$
|
|
begin
|
|
refresh materialized view concurrently user_mview;
|
|
refresh materialized view concurrently comment_aggregates_mview; -- cause of bans
|
|
refresh materialized view concurrently post_aggregates_mview;
|
|
return null;
|
|
end $$;
|
|
|
|
create trigger refresh_user
|
|
after insert or update or delete or truncate
|
|
on user_
|
|
for each statement
|
|
execute procedure refresh_user();
|
|
|
|
-- post
|
|
create or replace function refresh_post()
|
|
returns trigger language plpgsql
|
|
as $$
|
|
begin
|
|
refresh materialized view concurrently post_aggregates_mview;
|
|
refresh materialized view concurrently user_mview;
|
|
return null;
|
|
end $$;
|
|
|
|
create trigger refresh_post
|
|
after insert or update or delete or truncate
|
|
on post
|
|
for each statement
|
|
execute procedure refresh_post();
|
|
|
|
-- post_like
|
|
create or replace function refresh_post_like()
|
|
returns trigger language plpgsql
|
|
as $$
|
|
begin
|
|
refresh materialized view concurrently post_aggregates_mview;
|
|
refresh materialized view concurrently user_mview;
|
|
return null;
|
|
end $$;
|
|
|
|
create trigger refresh_post_like
|
|
after insert or update or delete or truncate
|
|
on post_like
|
|
for each statement
|
|
execute procedure refresh_post_like();
|
|
|
|
-- community
|
|
create or replace function refresh_community()
|
|
returns trigger language plpgsql
|
|
as $$
|
|
begin
|
|
refresh materialized view concurrently post_aggregates_mview;
|
|
refresh materialized view concurrently community_aggregates_mview;
|
|
refresh materialized view concurrently user_mview;
|
|
return null;
|
|
end $$;
|
|
|
|
create trigger refresh_community
|
|
after insert or update or delete or truncate
|
|
on community
|
|
for each statement
|
|
execute procedure refresh_community();
|
|
|
|
-- community_follower
|
|
create or replace function refresh_community_follower()
|
|
returns trigger language plpgsql
|
|
as $$
|
|
begin
|
|
refresh materialized view concurrently community_aggregates_mview;
|
|
refresh materialized view concurrently post_aggregates_mview;
|
|
return null;
|
|
end $$;
|
|
|
|
create trigger refresh_community_follower
|
|
after insert or update or delete or truncate
|
|
on community_follower
|
|
for each statement
|
|
execute procedure refresh_community_follower();
|
|
|
|
-- community_user_ban
|
|
create or replace function refresh_community_user_ban()
|
|
returns trigger language plpgsql
|
|
as $$
|
|
begin
|
|
refresh materialized view concurrently comment_aggregates_mview;
|
|
refresh materialized view concurrently post_aggregates_mview;
|
|
return null;
|
|
end $$;
|
|
|
|
create trigger refresh_community_user_ban
|
|
after insert or update or delete or truncate
|
|
on community_user_ban
|
|
for each statement
|
|
execute procedure refresh_community_user_ban();
|
|
|
|
-- comment
|
|
create or replace function refresh_comment()
|
|
returns trigger language plpgsql
|
|
as $$
|
|
begin
|
|
refresh materialized view concurrently post_aggregates_mview;
|
|
refresh materialized view concurrently comment_aggregates_mview;
|
|
refresh materialized view concurrently community_aggregates_mview;
|
|
refresh materialized view concurrently user_mview;
|
|
return null;
|
|
end $$;
|
|
|
|
create trigger refresh_comment
|
|
after insert or update or delete or truncate
|
|
on comment
|
|
for each statement
|
|
execute procedure refresh_comment();
|
|
|
|
-- comment_like
|
|
create or replace function refresh_comment_like()
|
|
returns trigger language plpgsql
|
|
as $$
|
|
begin
|
|
refresh materialized view concurrently comment_aggregates_mview;
|
|
refresh materialized view concurrently user_mview;
|
|
return null;
|
|
end $$;
|
|
|
|
create trigger refresh_comment_like
|
|
after insert or update or delete or truncate
|
|
on comment_like
|
|
for each statement
|
|
execute procedure refresh_comment_like();
|