mirror of
https://github.com/LemmyNet/lemmy
synced 2024-11-09 01:10:39 +00:00
749 lines
20 KiB
MySQL
749 lines
20 KiB
MySQL
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-- This adds the following columns, as well as updates the views:
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-- Site icon
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-- Site banner
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-- Community icon
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-- Community Banner
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-- User Banner (User avatar is already there)
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-- User preferred name (already in table, needs to be added to view)
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-- It also adds hot_rank_active to post_view
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alter table site
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add column icon text,
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add column banner text;
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alter table community
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add column icon text,
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add column banner text;
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alter table user_ add column banner text;
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drop view site_view;
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create view site_view as
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select s.*,
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u.name as creator_name,
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u.preferred_username as creator_preferred_username,
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u.avatar as creator_avatar,
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(select count(*) from user_) as number_of_users,
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(select count(*) from post) as number_of_posts,
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(select count(*) from comment) as number_of_comments,
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(select count(*) from community) as number_of_communities
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from site s
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left join user_ u on s.creator_id = u.id;
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-- User
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drop table user_fast;
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drop view user_view;
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create view user_view as
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select
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u.id,
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u.actor_id,
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u.name,
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u.preferred_username,
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u.avatar,
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u.banner,
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u.email,
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u.matrix_user_id,
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u.bio,
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u.local,
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u.admin,
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u.banned,
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u.show_avatars,
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u.send_notifications_to_email,
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u.published,
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coalesce(pd.posts, 0) as number_of_posts,
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coalesce(pd.score, 0) as post_score,
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coalesce(cd.comments, 0) as number_of_comments,
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coalesce(cd.score, 0) as comment_score
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from user_ u
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left join (
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select
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p.creator_id as creator_id,
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count(distinct p.id) as posts,
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sum(pl.score) as score
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from post p
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join post_like pl on p.id = pl.post_id
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group by p.creator_id
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) pd on u.id = pd.creator_id
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left join (
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select
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c.creator_id,
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count(distinct c.id) as comments,
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sum(cl.score) as score
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from comment c
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join comment_like cl on c.id = cl.comment_id
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group by c.creator_id
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) cd on u.id = cd.creator_id;
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create table user_fast as select * from user_view;
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alter table user_fast add primary key (id);
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-- private message
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drop view private_message_view;
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create view private_message_view as
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select
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pm.*,
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u.name as creator_name,
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u.preferred_username as creator_preferred_username,
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u.avatar as creator_avatar,
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u.actor_id as creator_actor_id,
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u.local as creator_local,
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u2.name as recipient_name,
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u2.preferred_username as recipient_preferred_username,
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u2.avatar as recipient_avatar,
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u2.actor_id as recipient_actor_id,
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u2.local as recipient_local
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from private_message pm
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inner join user_ u on u.id = pm.creator_id
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inner join user_ u2 on u2.id = pm.recipient_id;
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-- Post fast
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drop view post_fast_view;
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drop table post_aggregates_fast;
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drop view post_view;
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drop view post_aggregates_view;
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create view post_aggregates_view as
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select
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p.*,
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-- creator details
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u.actor_id as creator_actor_id,
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u."local" as creator_local,
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u."name" as creator_name,
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u."preferred_username" as creator_preferred_username,
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u.published as creator_published,
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u.avatar as creator_avatar,
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u.banned as banned,
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cb.id::bool as banned_from_community,
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-- community details
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c.actor_id as community_actor_id,
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c."local" as community_local,
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c."name" as community_name,
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c.icon as community_icon,
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c.removed as community_removed,
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c.deleted as community_deleted,
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c.nsfw as community_nsfw,
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-- post score data/comment count
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coalesce(ct.comments, 0) as number_of_comments,
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coalesce(pl.score, 0) as score,
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coalesce(pl.upvotes, 0) as upvotes,
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coalesce(pl.downvotes, 0) as downvotes,
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hot_rank(coalesce(pl.score, 1), p.published) as hot_rank,
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hot_rank(coalesce(pl.score, 1), greatest(ct.recent_comment_time, p.published)) as hot_rank_active,
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greatest(ct.recent_comment_time, p.published) as newest_activity_time
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from post p
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left join user_ u on p.creator_id = u.id
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left join community_user_ban cb on p.creator_id = cb.user_id and p.community_id = cb.community_id
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left join community c on p.community_id = c.id
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left join (
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select
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post_id,
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count(*) as comments,
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max(published) as recent_comment_time
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from comment
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group by post_id
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) ct on ct.post_id = p.id
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left join (
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select
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post_id,
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sum(score) as score,
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sum(score) filter (where score = 1) as upvotes,
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-sum(score) filter (where score = -1) as downvotes
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from post_like
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group by post_id
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) pl on pl.post_id = p.id
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order by p.id;
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create view post_view as
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select
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pav.*,
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us.id as user_id,
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us.user_vote as my_vote,
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us.is_subbed::bool as subscribed,
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us.is_read::bool as read,
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us.is_saved::bool as saved
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from post_aggregates_view pav
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cross join lateral (
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select
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u.id,
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coalesce(cf.community_id, 0) as is_subbed,
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coalesce(pr.post_id, 0) as is_read,
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coalesce(ps.post_id, 0) as is_saved,
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coalesce(pl.score, 0) as user_vote
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from user_ u
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left join community_user_ban cb on u.id = cb.user_id and cb.community_id = pav.community_id
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left join community_follower cf on u.id = cf.user_id and cf.community_id = pav.community_id
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left join post_read pr on u.id = pr.user_id and pr.post_id = pav.id
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left join post_saved ps on u.id = ps.user_id and ps.post_id = pav.id
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left join post_like pl on u.id = pl.user_id and pav.id = pl.post_id
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) as us
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union all
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select
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pav.*,
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null as user_id,
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null as my_vote,
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null as subscribed,
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null as read,
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null as saved
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from post_aggregates_view pav;
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create table post_aggregates_fast as select * from post_aggregates_view;
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alter table post_aggregates_fast add primary key (id);
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-- For the hot rank resorting
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create index idx_post_aggregates_fast_hot_rank_published on post_aggregates_fast (hot_rank desc, published desc);
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create index idx_post_aggregates_fast_hot_rank_active_published on post_aggregates_fast (hot_rank_active desc, published desc);
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create view post_fast_view as
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select
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pav.*,
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us.id as user_id,
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us.user_vote as my_vote,
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us.is_subbed::bool as subscribed,
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us.is_read::bool as read,
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us.is_saved::bool as saved
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from post_aggregates_fast pav
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cross join lateral (
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select
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u.id,
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coalesce(cf.community_id, 0) as is_subbed,
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coalesce(pr.post_id, 0) as is_read,
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coalesce(ps.post_id, 0) as is_saved,
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coalesce(pl.score, 0) as user_vote
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from user_ u
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left join community_user_ban cb on u.id = cb.user_id and cb.community_id = pav.community_id
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left join community_follower cf on u.id = cf.user_id and cf.community_id = pav.community_id
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left join post_read pr on u.id = pr.user_id and pr.post_id = pav.id
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left join post_saved ps on u.id = ps.user_id and ps.post_id = pav.id
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left join post_like pl on u.id = pl.user_id and pav.id = pl.post_id
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) as us
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union all
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select
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pav.*,
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null as user_id,
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null as my_vote,
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null as subscribed,
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null as read,
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null as saved
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from post_aggregates_fast pav;
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-- Community
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drop view community_moderator_view;
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drop view community_follower_view;
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drop view community_user_ban_view;
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drop view community_view;
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drop view community_aggregates_view;
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drop view community_fast_view;
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drop table community_aggregates_fast;
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create view community_aggregates_view as
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select
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c.id,
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c.name,
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c.title,
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c.icon,
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c.banner,
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c.description,
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c.category_id,
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c.creator_id,
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c.removed,
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c.published,
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c.updated,
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c.deleted,
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c.nsfw,
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c.actor_id,
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c.local,
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c.last_refreshed_at,
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u.actor_id as creator_actor_id,
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u.local as creator_local,
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u.name as creator_name,
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u.preferred_username as creator_preferred_username,
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u.avatar as creator_avatar,
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cat.name as category_name,
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coalesce(cf.subs, 0) as number_of_subscribers,
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coalesce(cd.posts, 0) as number_of_posts,
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coalesce(cd.comments, 0) as number_of_comments,
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hot_rank(cf.subs, c.published) as hot_rank
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from community c
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left join user_ u on c.creator_id = u.id
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left join category cat on c.category_id = cat.id
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left join (
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select
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p.community_id,
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count(distinct p.id) as posts,
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count(distinct ct.id) as comments
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from post p
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join comment ct on p.id = ct.post_id
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group by p.community_id
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) cd on cd.community_id = c.id
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left join (
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select
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community_id,
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count(*) as subs
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from community_follower
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group by community_id
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) cf on cf.community_id = c.id;
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create view community_view as
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select
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cv.*,
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us.user as user_id,
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us.is_subbed::bool as subscribed
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from community_aggregates_view cv
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cross join lateral (
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select
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u.id as user,
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coalesce(cf.community_id, 0) as is_subbed
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from user_ u
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left join community_follower cf on u.id = cf.user_id and cf.community_id = cv.id
|
||
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) as us
|
||
|
|
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||
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union all
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||
|
|
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||
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select
|
||
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cv.*,
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null as user_id,
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null as subscribed
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from community_aggregates_view cv;
|
||
|
|
|
||
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create view community_moderator_view as
|
||
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select
|
||
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cm.*,
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u.actor_id as user_actor_id,
|
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u.local as user_local,
|
||
|
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u.name as user_name,
|
||
|
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u.preferred_username as user_preferred_username,
|
||
|
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u.avatar as avatar,
|
||
|
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c.actor_id as community_actor_id,
|
||
|
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c.local as community_local,
|
||
|
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c.name as community_name,
|
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c.icon as community_icon
|
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|
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from community_moderator cm
|
||
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left join user_ u on cm.user_id = u.id
|
||
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left join community c on cm.community_id = c.id;
|
||
|
|
|
||
|
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create view community_follower_view as
|
||
|
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select
|
||
|
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cf.*,
|
||
|
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u.actor_id as user_actor_id,
|
||
|
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u.local as user_local,
|
||
|
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u.name as user_name,
|
||
|
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u.preferred_username as user_preferred_username,
|
||
|
|
u.avatar as avatar,
|
||
|
|
c.actor_id as community_actor_id,
|
||
|
|
c.local as community_local,
|
||
|
|
c.name as community_name,
|
||
|
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c.icon as community_icon
|
||
|
|
from community_follower cf
|
||
|
|
left join user_ u on cf.user_id = u.id
|
||
|
|
left join community c on cf.community_id = c.id;
|
||
|
|
|
||
|
|
create view community_user_ban_view as
|
||
|
|
select
|
||
|
|
cb.*,
|
||
|
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u.actor_id as user_actor_id,
|
||
|
|
u.local as user_local,
|
||
|
|
u.name as user_name,
|
||
|
|
u.preferred_username as user_preferred_username,
|
||
|
|
u.avatar as avatar,
|
||
|
|
c.actor_id as community_actor_id,
|
||
|
|
c.local as community_local,
|
||
|
|
c.name as community_name,
|
||
|
|
c.icon as community_icon
|
||
|
|
from community_user_ban cb
|
||
|
|
left join user_ u on cb.user_id = u.id
|
||
|
|
left join community c on cb.community_id = c.id;
|
||
|
|
|
||
|
|
-- 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;
|
||
|
|
|
||
|
|
-- Comments, mentions, replies
|
||
|
|
drop view user_mention_view;
|
||
|
|
drop view reply_fast_view;
|
||
|
|
drop view comment_fast_view;
|
||
|
|
drop view comment_view;
|
||
|
|
drop view user_mention_fast_view;
|
||
|
|
drop table comment_aggregates_fast;
|
||
|
|
drop view comment_aggregates_view;
|
||
|
|
|
||
|
|
create view comment_aggregates_view as
|
||
|
|
select
|
||
|
|
ct.*,
|
||
|
|
-- post details
|
||
|
|
p."name" as post_name,
|
||
|
|
p.community_id,
|
||
|
|
-- community details
|
||
|
|
c.actor_id as community_actor_id,
|
||
|
|
c."local" as community_local,
|
||
|
|
c."name" as community_name,
|
||
|
|
c.icon as community_icon,
|
||
|
|
-- creator details
|
||
|
|
u.banned as banned,
|
||
|
|
coalesce(cb.id, 0)::bool as banned_from_community,
|
||
|
|
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.published as creator_published,
|
||
|
|
u.avatar as creator_avatar,
|
||
|
|
-- score details
|
||
|
|
coalesce(cl.total, 0) as score,
|
||
|
|
coalesce(cl.up, 0) as upvotes,
|
||
|
|
coalesce(cl.down, 0) as downvotes,
|
||
|
|
hot_rank(coalesce(cl.total, 1), p.published) as hot_rank,
|
||
|
|
hot_rank(coalesce(cl.total, 1), ct.published) as hot_rank_active
|
||
|
|
from comment ct
|
||
|
|
left join post p on ct.post_id = p.id
|
||
|
|
left join community c on p.community_id = c.id
|
||
|
|
left join user_ u on ct.creator_id = u.id
|
||
|
|
left join community_user_ban cb on ct.creator_id = cb.user_id and p.id = ct.post_id and p.community_id = cb.community_id
|
||
|
|
left join (
|
||
|
|
select
|
||
|
|
l.comment_id as id,
|
||
|
|
sum(l.score) as total,
|
||
|
|
count(case when l.score = 1 then 1 else null end) as up,
|
||
|
|
count(case when l.score = -1 then 1 else null end) as down
|
||
|
|
from comment_like l
|
||
|
|
group by comment_id
|
||
|
|
) as cl on cl.id = ct.id;
|
||
|
|
|
||
|
|
create or replace view comment_view as (
|
||
|
|
select
|
||
|
|
cav.*,
|
||
|
|
us.user_id as user_id,
|
||
|
|
us.my_vote as my_vote,
|
||
|
|
us.is_subbed::bool as subscribed,
|
||
|
|
us.is_saved::bool as saved
|
||
|
|
from comment_aggregates_view cav
|
||
|
|
cross join lateral (
|
||
|
|
select
|
||
|
|
u.id as user_id,
|
||
|
|
coalesce(cl.score, 0) as my_vote,
|
||
|
|
coalesce(cf.id, 0) as is_subbed,
|
||
|
|
coalesce(cs.id, 0) as is_saved
|
||
|
|
from user_ u
|
||
|
|
left join comment_like cl on u.id = cl.user_id and cav.id = cl.comment_id
|
||
|
|
left join comment_saved cs on u.id = cs.user_id and cs.comment_id = cav.id
|
||
|
|
left join community_follower cf on u.id = cf.user_id and cav.community_id = cf.community_id
|
||
|
|
) as us
|
||
|
|
|
||
|
|
union all
|
||
|
|
|
||
|
|
select
|
||
|
|
cav.*,
|
||
|
|
null as user_id,
|
||
|
|
null as my_vote,
|
||
|
|
null as subscribed,
|
||
|
|
null as saved
|
||
|
|
from comment_aggregates_view cav
|
||
|
|
);
|
||
|
|
|
||
|
|
create table comment_aggregates_fast as select * from comment_aggregates_view;
|
||
|
|
alter table comment_aggregates_fast add primary key (id);
|
||
|
|
|
||
|
|
create view comment_fast_view as
|
||
|
|
select
|
||
|
|
cav.*,
|
||
|
|
us.user_id as user_id,
|
||
|
|
us.my_vote as my_vote,
|
||
|
|
us.is_subbed::bool as subscribed,
|
||
|
|
us.is_saved::bool as saved
|
||
|
|
from comment_aggregates_fast cav
|
||
|
|
cross join lateral (
|
||
|
|
select
|
||
|
|
u.id as user_id,
|
||
|
|
coalesce(cl.score, 0) as my_vote,
|
||
|
|
coalesce(cf.id, 0) as is_subbed,
|
||
|
|
coalesce(cs.id, 0) as is_saved
|
||
|
|
from user_ u
|
||
|
|
left join comment_like cl on u.id = cl.user_id and cav.id = cl.comment_id
|
||
|
|
left join comment_saved cs on u.id = cs.user_id and cs.comment_id = cav.id
|
||
|
|
left join community_follower cf on u.id = cf.user_id and cav.community_id = cf.community_id
|
||
|
|
) as us
|
||
|
|
|
||
|
|
union all
|
||
|
|
|
||
|
|
select
|
||
|
|
cav.*,
|
||
|
|
null as user_id,
|
||
|
|
null as my_vote,
|
||
|
|
null as subscribed,
|
||
|
|
null as saved
|
||
|
|
from comment_aggregates_fast cav;
|
||
|
|
|
||
|
|
create view user_mention_view as
|
||
|
|
select
|
||
|
|
c.id,
|
||
|
|
um.id as user_mention_id,
|
||
|
|
c.creator_id,
|
||
|
|
c.creator_actor_id,
|
||
|
|
c.creator_local,
|
||
|
|
c.post_id,
|
||
|
|
c.post_name,
|
||
|
|
c.parent_id,
|
||
|
|
c.content,
|
||
|
|
c.removed,
|
||
|
|
um.read,
|
||
|
|
c.published,
|
||
|
|
c.updated,
|
||
|
|
c.deleted,
|
||
|
|
c.community_id,
|
||
|
|
c.community_actor_id,
|
||
|
|
c.community_local,
|
||
|
|
c.community_name,
|
||
|
|
c.community_icon,
|
||
|
|
c.banned,
|
||
|
|
c.banned_from_community,
|
||
|
|
c.creator_name,
|
||
|
|
c.creator_preferred_username,
|
||
|
|
c.creator_avatar,
|
||
|
|
c.score,
|
||
|
|
c.upvotes,
|
||
|
|
c.downvotes,
|
||
|
|
c.hot_rank,
|
||
|
|
c.hot_rank_active,
|
||
|
|
c.user_id,
|
||
|
|
c.my_vote,
|
||
|
|
c.saved,
|
||
|
|
um.recipient_id,
|
||
|
|
(select actor_id from user_ u where u.id = um.recipient_id) as recipient_actor_id,
|
||
|
|
(select local from user_ u where u.id = um.recipient_id) as recipient_local
|
||
|
|
from user_mention um, comment_view c
|
||
|
|
where um.comment_id = c.id;
|
||
|
|
|
||
|
|
create view user_mention_fast_view as
|
||
|
|
select
|
||
|
|
ac.id,
|
||
|
|
um.id as user_mention_id,
|
||
|
|
ac.creator_id,
|
||
|
|
ac.creator_actor_id,
|
||
|
|
ac.creator_local,
|
||
|
|
ac.post_id,
|
||
|
|
ac.post_name,
|
||
|
|
ac.parent_id,
|
||
|
|
ac.content,
|
||
|
|
ac.removed,
|
||
|
|
um.read,
|
||
|
|
ac.published,
|
||
|
|
ac.updated,
|
||
|
|
ac.deleted,
|
||
|
|
ac.community_id,
|
||
|
|
ac.community_actor_id,
|
||
|
|
ac.community_local,
|
||
|
|
ac.community_name,
|
||
|
|
ac.community_icon,
|
||
|
|
ac.banned,
|
||
|
|
ac.banned_from_community,
|
||
|
|
ac.creator_name,
|
||
|
|
ac.creator_preferred_username,
|
||
|
|
ac.creator_avatar,
|
||
|
|
ac.score,
|
||
|
|
ac.upvotes,
|
||
|
|
ac.downvotes,
|
||
|
|
ac.hot_rank,
|
||
|
|
ac.hot_rank_active,
|
||
|
|
u.id as user_id,
|
||
|
|
coalesce(cl.score, 0) as my_vote,
|
||
|
|
(select cs.id::bool from comment_saved cs where u.id = cs.user_id and cs.comment_id = ac.id) as saved,
|
||
|
|
um.recipient_id,
|
||
|
|
(select actor_id from user_ u where u.id = um.recipient_id) as recipient_actor_id,
|
||
|
|
(select local from user_ u where u.id = um.recipient_id) as recipient_local
|
||
|
|
from user_ u
|
||
|
|
cross join (
|
||
|
|
select
|
||
|
|
ca.*
|
||
|
|
from comment_aggregates_fast ca
|
||
|
|
) ac
|
||
|
|
left join comment_like cl on u.id = cl.user_id and ac.id = cl.comment_id
|
||
|
|
left join user_mention um on um.comment_id = ac.id
|
||
|
|
|
||
|
|
union all
|
||
|
|
|
||
|
|
select
|
||
|
|
ac.id,
|
||
|
|
um.id as user_mention_id,
|
||
|
|
ac.creator_id,
|
||
|
|
ac.creator_actor_id,
|
||
|
|
ac.creator_local,
|
||
|
|
ac.post_id,
|
||
|
|
ac.post_name,
|
||
|
|
ac.parent_id,
|
||
|
|
ac.content,
|
||
|
|
ac.removed,
|
||
|
|
um.read,
|
||
|
|
ac.published,
|
||
|
|
ac.updated,
|
||
|
|
ac.deleted,
|
||
|
|
ac.community_id,
|
||
|
|
ac.community_actor_id,
|
||
|
|
ac.community_local,
|
||
|
|
ac.community_name,
|
||
|
|
ac.community_icon,
|
||
|
|
ac.banned,
|
||
|
|
ac.banned_from_community,
|
||
|
|
ac.creator_name,
|
||
|
|
ac.creator_preferred_username,
|
||
|
|
ac.creator_avatar,
|
||
|
|
ac.score,
|
||
|
|
ac.upvotes,
|
||
|
|
ac.downvotes,
|
||
|
|
ac.hot_rank,
|
||
|
|
ac.hot_rank_active,
|
||
|
|
null as user_id,
|
||
|
|
null as my_vote,
|
||
|
|
null as saved,
|
||
|
|
um.recipient_id,
|
||
|
|
(select actor_id from user_ u where u.id = um.recipient_id) as recipient_actor_id,
|
||
|
|
(select local from user_ u where u.id = um.recipient_id) as recipient_local
|
||
|
|
from comment_aggregates_fast ac
|
||
|
|
left join user_mention um on um.comment_id = ac.id
|
||
|
|
;
|
||
|
|
|
||
|
|
-- Do the reply_view referencing the comment_fast_view
|
||
|
|
create view reply_fast_view as
|
||
|
|
with closereply as (
|
||
|
|
select
|
||
|
|
c2.id,
|
||
|
|
c2.creator_id as sender_id,
|
||
|
|
c.creator_id as recipient_id
|
||
|
|
from comment c
|
||
|
|
inner join comment c2 on c.id = c2.parent_id
|
||
|
|
where c2.creator_id != c.creator_id
|
||
|
|
-- Do union where post is null
|
||
|
|
union
|
||
|
|
select
|
||
|
|
c.id,
|
||
|
|
c.creator_id as sender_id,
|
||
|
|
p.creator_id as recipient_id
|
||
|
|
from comment c, post p
|
||
|
|
where c.post_id = p.id and c.parent_id is null and c.creator_id != p.creator_id
|
||
|
|
)
|
||
|
|
select cv.*,
|
||
|
|
closereply.recipient_id
|
||
|
|
from comment_fast_view cv, closereply
|
||
|
|
where closereply.id = cv.id
|
||
|
|
;
|
||
|
|
|
||
|
|
-- Adding hot rank active to the triggers
|
||
|
|
create or replace function refresh_post()
|
||
|
|
returns trigger language plpgsql
|
||
|
|
as $$
|
||
|
|
begin
|
||
|
|
IF (TG_OP = 'DELETE') THEN
|
||
|
|
delete from post_aggregates_fast where id = OLD.id;
|
||
|
|
|
||
|
|
-- Update community number of posts
|
||
|
|
update community_aggregates_fast set number_of_posts = number_of_posts - 1 where id = OLD.community_id;
|
||
|
|
ELSIF (TG_OP = 'UPDATE') THEN
|
||
|
|
delete from post_aggregates_fast where id = OLD.id;
|
||
|
|
insert into post_aggregates_fast select * from post_aggregates_view where id = NEW.id;
|
||
|
|
ELSIF (TG_OP = 'INSERT') THEN
|
||
|
|
insert into post_aggregates_fast select * from post_aggregates_view where id = NEW.id;
|
||
|
|
|
||
|
|
-- Update that users number of posts, post score
|
||
|
|
delete from user_fast where id = NEW.creator_id;
|
||
|
|
insert into user_fast select * from user_view where id = NEW.creator_id;
|
||
|
|
|
||
|
|
-- Update community number of posts
|
||
|
|
update community_aggregates_fast set number_of_posts = number_of_posts + 1 where id = NEW.community_id;
|
||
|
|
|
||
|
|
-- Update the hot rank on the post table
|
||
|
|
-- TODO this might not correctly update it, using a 1 week interval
|
||
|
|
update post_aggregates_fast as paf
|
||
|
|
set
|
||
|
|
hot_rank = pav.hot_rank,
|
||
|
|
hot_rank_active = pav.hot_rank_active
|
||
|
|
from post_aggregates_view as pav
|
||
|
|
where paf.id = pav.id and (pav.published > ('now'::timestamp - '1 week'::interval));
|
||
|
|
END IF;
|
||
|
|
|
||
|
|
return null;
|
||
|
|
end $$;
|
||
|
|
|
||
|
|
create or replace function refresh_comment()
|
||
|
|
returns trigger language plpgsql
|
||
|
|
as $$
|
||
|
|
begin
|
||
|
|
IF (TG_OP = 'DELETE') THEN
|
||
|
|
delete from comment_aggregates_fast where id = OLD.id;
|
||
|
|
|
||
|
|
-- Update community number of comments
|
||
|
|
update community_aggregates_fast as caf
|
||
|
|
set number_of_comments = number_of_comments - 1
|
||
|
|
from post as p
|
||
|
|
where caf.id = p.community_id and p.id = OLD.post_id;
|
||
|
|
|
||
|
|
ELSIF (TG_OP = 'UPDATE') THEN
|
||
|
|
delete from comment_aggregates_fast where id = OLD.id;
|
||
|
|
insert into comment_aggregates_fast select * from comment_aggregates_view where id = NEW.id;
|
||
|
|
ELSIF (TG_OP = 'INSERT') THEN
|
||
|
|
insert into comment_aggregates_fast select * from comment_aggregates_view where id = NEW.id;
|
||
|
|
|
||
|
|
-- Update user view due to comment count
|
||
|
|
update user_fast
|
||
|
|
set number_of_comments = number_of_comments + 1
|
||
|
|
where id = NEW.creator_id;
|
||
|
|
|
||
|
|
-- Update post view due to comment count, new comment activity time, but only on new posts
|
||
|
|
-- TODO this could be done more efficiently
|
||
|
|
delete from post_aggregates_fast where id = NEW.post_id;
|
||
|
|
insert into post_aggregates_fast select * from post_aggregates_view where id = NEW.post_id;
|
||
|
|
|
||
|
|
-- Update the comment hot_ranks as of last week
|
||
|
|
update comment_aggregates_fast as caf
|
||
|
|
set
|
||
|
|
hot_rank = cav.hot_rank,
|
||
|
|
hot_rank_active = cav.hot_rank_active
|
||
|
|
from comment_aggregates_view as cav
|
||
|
|
where caf.id = cav.id and (cav.published > ('now'::timestamp - '1 week'::interval));
|
||
|
|
|
||
|
|
-- Update the post ranks
|
||
|
|
update post_aggregates_fast as paf
|
||
|
|
set
|
||
|
|
hot_rank = pav.hot_rank,
|
||
|
|
hot_rank_active = pav.hot_rank_active
|
||
|
|
from post_aggregates_view as pav
|
||
|
|
where paf.id = pav.id and (pav.published > ('now'::timestamp - '1 week'::interval));
|
||
|
|
|
||
|
|
-- Force the hot rank active as zero on 2 day-older posts (necro-bump)
|
||
|
|
update post_aggregates_fast as paf
|
||
|
|
set hot_rank_active = 0
|
||
|
|
where paf.id = NEW.post_id and (paf.published < ('now'::timestamp - '2 days'::interval));
|
||
|
|
|
||
|
|
-- Update community number of comments
|
||
|
|
update community_aggregates_fast as caf
|
||
|
|
set number_of_comments = number_of_comments + 1
|
||
|
|
from post as p
|
||
|
|
where caf.id = p.community_id and p.id = NEW.post_id;
|
||
|
|
|
||
|
|
END IF;
|
||
|
|
|
||
|
|
return null;
|
||
|
|
end $$;
|