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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 $$
begin
IF (TG_OP = 'INSERT') THEN
update post_aggregates pa
set comments = comments + 1
where pa.post_id = NEW.post_id;
-- A 2 day necro-bump limit
update post_aggregates pa
set newest_comment_time = NEW.published
where pa.post_id = NEW.post_id
and published > ('now'::timestamp - '2 days'::interval);
ELSIF (TG_OP = 'DELETE') THEN
-- Join to post because that post may not exist anymore
update post_aggregates pa
set comments = comments - 1
from post p
where pa.post_id = p.id
and pa.post_id = OLD.post_id;
END IF;
return null;
end $$;