lemmy/migrations/2020-08-06-205355_update_community_post_count/down.sql
Dessalines 5c6258390c
Isomorphic docker (#1124)
* Adding a way to GetComments for a community given its name only.

* Adding getcomments to api docs.

* A first pass at locally working isomorphic integration.

* Testing out cargo-husky.

* Testing a fail hook.

* Revert "Testing a fail hook."

This reverts commit 0941cf1736.

* Moving server to top level, now that UI is gone.

* Running cargo fmt using old way.

* Adding nginx, fixing up docker-compose files, fixing docs.

* Trying to re-add API tests.

* Fixing prod dockerfile.

* Redoing nightly fmt

* Trying to fix private message api test.

* Adding CommunityJoin, PostJoin instead of joins from GetComments, etc.

- Fixes #1122

* Fixing fmt.

* Fixing up docs.

* Removing translations.

* Adding apps / clients to readme.

* Fixing main image.

* Using new lemmy-isomorphic-ui with better javascript disabled.

* Try to fix image uploads in federation test

* Revert "Try to fix image uploads in federation test"

This reverts commit a2ddf2a90b.

* Fix post url federation

* Adding some more tests, some still broken.

* Don't need gitattributes anymore.

* Update local federation test setup

* Fixing tests.

* Fixing travis build.

* Fixing travis build, again.

* Changing lemmy-isomorphic-ui to lemmy-ui

* Error in travis build again.

Co-authored-by: Felix Ableitner <me@nutomic.com>
2020-09-15 15:26:47 -04:00

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SQL

-- Drop first
drop view community_view;
drop view community_aggregates_view;
drop view community_fast_view;
drop table community_aggregates_fast;
create view community_aggregates_view as
select
c.id,
c.name,
c.title,
c.icon,
c.banner,
c.description,
c.category_id,
c.creator_id,
c.removed,
c.published,
c.updated,
c.deleted,
c.nsfw,
c.actor_id,
c.local,
c.last_refreshed_at,
u.actor_id as creator_actor_id,
u.local as creator_local,
u.name as creator_name,
u.preferred_username as creator_preferred_username,
u.avatar as creator_avatar,
cat.name as category_name,
coalesce(cf.subs, 0) as number_of_subscribers,
coalesce(cd.posts, 0) as number_of_posts,
coalesce(cd.comments, 0) as number_of_comments,
hot_rank(cf.subs, c.published) as hot_rank
from community c
left join user_ u on c.creator_id = u.id
left join category cat on c.category_id = cat.id
left join (
select
p.community_id,
count(distinct p.id) as posts,
count(distinct ct.id) as comments
from post p
join comment ct on p.id = ct.post_id
group by p.community_id
) cd on cd.community_id = c.id
left join (
select
community_id,
count(*) as subs
from community_follower
group by community_id
) cf on cf.community_id = c.id;
create view community_view as
select
cv.*,
us.user as user_id,
us.is_subbed::bool as subscribed
from community_aggregates_view cv
cross join lateral (
select
u.id as user,
coalesce(cf.community_id, 0) as is_subbed
from user_ u
left join community_follower cf on u.id = cf.user_id and cf.community_id = cv.id
) as us
union all
select
cv.*,
null as user_id,
null as subscribed
from community_aggregates_view cv;
-- The community fast table
create table community_aggregates_fast as select * from community_aggregates_view;
alter table community_aggregates_fast add primary key (id);
create view community_fast_view as
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 (
select
ca.*
from community_aggregates_fast ca
) ac
union all
select
caf.*,
null as user_id,
null as subscribed
from community_aggregates_fast caf;