lemmy/migrations/2020-02-08-145624_add_post_newest_activity_time/up.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

107 lines
3.4 KiB
SQL

-- Adds a newest_activity_time for the post_views, in order to sort by newest comment
drop view post_view;
drop view post_mview;
drop materialized view post_aggregates_mview;
drop view post_aggregates_view;
-- regen post view
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),
(
case when (p.published < ('now'::timestamp - '1 month'::interval)) then p.published -- Prevents necro-bumps
else greatest(c.recent_comment_time, p.published)
end
)
) as hot_rank,
(
case when (p.published < ('now'::timestamp - '1 month'::interval)) then p.published -- Prevents necro-bumps
else greatest(c.recent_comment_time, p.published)
end
) as newest_activity_time
from post p
left join post_like pl on p.id = pl.post_id
left join (
select post_id,
max(published) as recent_comment_time
from comment
group by 1
) c on p.id = c.post_id
group by p.id, c.recent_comment_time;
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);
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
;