mirror of https://github.com/LemmyNet/lemmy
* Adding a new comment sort. Fixes #1294 * Fixing a migration comment. * Adding a comment for newest_comment_time_necropull/1427/head^2
parent
6f683682c3
commit
0c4b57a6d0
@ -1,5 +1,5 @@
|
||||
tab_spaces = 2
|
||||
edition="2018"
|
||||
imports_layout="HorizontalVertical"
|
||||
merge_imports=true
|
||||
imports_granularity="Crate"
|
||||
reorder_imports=true
|
||||
|
@ -0,0 +1,33 @@
|
||||
drop index idx_post_aggregates_newest_comment_time,
|
||||
idx_post_aggregates_stickied_newest_comment_time,
|
||||
idx_post_aggregates_stickied_comments;
|
||||
|
||||
alter table post_aggregates drop column newest_comment_time;
|
||||
|
||||
alter table post_aggregates rename column newest_comment_time_necro to newest_comment_time;
|
||||
|
||||
create or replace function post_aggregates_comment_count()
|
||||
returns trigger language plpgsql
|
||||
as $$
|
||||
begin
|
||||
IF (TG_OP = 'INSERT') THEN
|
||||
update post_aggregates pa
|
||||
set comments = comments + 1
|
||||
where pa.post_id = NEW.post_id;
|
||||
|
||||
-- A 2 day necro-bump limit
|
||||
update post_aggregates pa
|
||||
set newest_comment_time = NEW.published
|
||||
where pa.post_id = NEW.post_id
|
||||
and published > ('now'::timestamp - '2 days'::interval);
|
||||
ELSIF (TG_OP = 'DELETE') THEN
|
||||
-- Join to post because that post may not exist anymore
|
||||
update post_aggregates pa
|
||||
set comments = comments - 1
|
||||
from post p
|
||||
where pa.post_id = p.id
|
||||
and pa.post_id = OLD.post_id;
|
||||
END IF;
|
||||
return null;
|
||||
end $$;
|
||||
|
@ -0,0 +1,43 @@
|
||||
-- First rename current newest comment time to newest_comment_time_necro
|
||||
-- necro means that time is limited to 2 days, whereas newest_comment_time ignores that.
|
||||
alter table post_aggregates rename column newest_comment_time to newest_comment_time_necro;
|
||||
|
||||
-- Add the newest_comment_time column
|
||||
alter table post_aggregates add column newest_comment_time timestamp not null default now();
|
||||
|
||||
-- Set the current newest_comment_time based on the old ones
|
||||
update post_aggregates set newest_comment_time = newest_comment_time_necro;
|
||||
|
||||
-- Add the indexes for this new column
|
||||
create index idx_post_aggregates_newest_comment_time on post_aggregates (newest_comment_time desc);
|
||||
create index idx_post_aggregates_stickied_newest_comment_time on post_aggregates (stickied desc, newest_comment_time desc);
|
||||
|
||||
-- Forgot to add index w/ stickied first for most comments:
|
||||
create index idx_post_aggregates_stickied_comments on post_aggregates (stickied desc, comments desc);
|
||||
|
||||
-- Alter the comment trigger to set the newest_comment_time, and newest_comment_time_necro
|
||||
create or replace function post_aggregates_comment_count()
|
||||
returns trigger language plpgsql
|
||||
as $$
|
||||
begin
|
||||
IF (TG_OP = 'INSERT') THEN
|
||||
update post_aggregates pa
|
||||
set comments = comments + 1,
|
||||
newest_comment_time = NEW.published
|
||||
where pa.post_id = NEW.post_id;
|
||||
|
||||
-- A 2 day necro-bump limit
|
||||
update post_aggregates pa
|
||||
set newest_comment_time_necro = NEW.published
|
||||
where pa.post_id = NEW.post_id
|
||||
and published > ('now'::timestamp - '2 days'::interval);
|
||||
ELSIF (TG_OP = 'DELETE') THEN
|
||||
-- Join to post because that post may not exist anymore
|
||||
update post_aggregates pa
|
||||
set comments = comments - 1
|
||||
from post p
|
||||
where pa.post_id = p.id
|
||||
and pa.post_id = OLD.post_id;
|
||||
END IF;
|
||||
return null;
|
||||
end $$;
|
Loading…
Reference in New Issue