mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-09-10 00:18:49 -06:00
52 lines
2.7 KiB
MySQL
52 lines
2.7 KiB
MySQL
![]() |
-- This converts the old hot_rank functions, to columns
|
||
|
|
||
|
-- Remove the old compound indexes
|
||
|
DROP INDEX idx_post_aggregates_featured_local_newest_comment_time;
|
||
|
DROP INDEX idx_post_aggregates_featured_community_newest_comment_time;
|
||
|
DROP INDEX idx_post_aggregates_featured_local_comments;
|
||
|
DROP INDEX idx_post_aggregates_featured_community_comments;
|
||
|
DROP INDEX idx_post_aggregates_featured_local_hot;
|
||
|
DROP INDEX idx_post_aggregates_featured_community_hot;
|
||
|
DROP INDEX idx_post_aggregates_featured_local_score;
|
||
|
DROP INDEX idx_post_aggregates_featured_community_score;
|
||
|
DROP INDEX idx_post_aggregates_featured_local_published;
|
||
|
DROP INDEX idx_post_aggregates_featured_community_published;
|
||
|
DROP INDEX idx_post_aggregates_featured_local_active;
|
||
|
DROP INDEX idx_post_aggregates_featured_community_active;
|
||
|
|
||
|
DROP INDEX idx_comment_aggregates_hot;
|
||
|
|
||
|
DROP INDEX idx_community_aggregates_hot;
|
||
|
|
||
|
-- Add the new hot rank columns for post and comment aggregates
|
||
|
-- Note: 1728 is the result of the hot_rank function, with a score of 1, posted now
|
||
|
-- hot_rank = 10000*log10(1 + 3)/Power(2, 1.8)
|
||
|
alter table post_aggregates add column hot_rank integer not null default 1728;
|
||
|
alter table post_aggregates add column hot_rank_active integer not null default 1728;
|
||
|
|
||
|
alter table comment_aggregates add column hot_rank integer not null default 1728;
|
||
|
|
||
|
alter table community_aggregates add column hot_rank integer not null default 1728;
|
||
|
|
||
|
-- Populate them initially
|
||
|
-- Note: After initial population, these are updated in a periodic scheduled job,
|
||
|
-- with only the last week being updated.
|
||
|
update post_aggregates set hot_rank_active = hot_rank(score::numeric, newest_comment_time_necro);
|
||
|
update post_aggregates set hot_rank = hot_rank(score::numeric, published);
|
||
|
update comment_aggregates set hot_rank = hot_rank(score::numeric, published);
|
||
|
update community_aggregates set hot_rank = hot_rank(subscribers::numeric, published);
|
||
|
|
||
|
-- Create single column indexes
|
||
|
create index idx_post_aggregates_score on post_aggregates (score desc);
|
||
|
create index idx_post_aggregates_published on post_aggregates (published desc);
|
||
|
create index idx_post_aggregates_newest_comment_time on post_aggregates (newest_comment_time desc);
|
||
|
create index idx_post_aggregates_newest_comment_time_necro on post_aggregates (newest_comment_time_necro desc);
|
||
|
create index idx_post_aggregates_featured_community on post_aggregates (featured_community desc);
|
||
|
create index idx_post_aggregates_featured_local on post_aggregates (featured_local desc);
|
||
|
create index idx_post_aggregates_hot on post_aggregates (hot_rank desc);
|
||
|
create index idx_post_aggregates_active on post_aggregates (hot_rank_active desc);
|
||
|
|
||
|
create index idx_comment_aggregates_hot on comment_aggregates (hot_rank desc);
|
||
|
|
||
|
create index idx_community_aggregates_hot on community_aggregates (hot_rank desc);
|