+-- user_ban
+alter table person_ban rename to user_ban;
+alter sequence person_ban_id_seq rename to user_ban_id_seq;
+alter index person_ban_pkey rename to user_ban_pkey;
+alter index person_ban_person_id_key rename to user_ban_user_id_key;
+alter table user_ban rename constraint person_ban_person_id_fkey to user_ban_user_id_fkey;
+
+-- user_mention
+alter table person_mention rename to user_mention;
+alter sequence person_mention_id_seq rename to user_mention_id_seq;
+alter index person_mention_pkey rename to user_mention_pkey;
+alter index person_mention_recipient_id_comment_id_key rename to user_mention_recipient_id_comment_id_key;
+alter table user_mention rename constraint person_mention_comment_id_fkey to user_mention_comment_id_fkey;
+alter table user_mention rename constraint person_mention_recipient_id_fkey to user_mention_recipient_id_fkey;
+
+-- User aggregates table
+alter table person_aggregates rename to user_aggregates;
+alter sequence person_aggregates_id_seq rename to user_aggregates_id_seq;
+alter table user_aggregates rename column person_id to user_id;
+
+-- Indexes
+alter index person_aggregates_pkey rename to user_aggregates_pkey;
+alter index idx_person_aggregates_comment_score rename to idx_user_aggregates_comment_score;
+alter index person_aggregates_person_id_key rename to user_aggregates_user_id_key;
+alter table user_aggregates rename constraint person_aggregates_person_id_fkey to user_aggregates_user_id_fkey;
+
+-- Redo the user_aggregates table
+drop trigger person_aggregates_person on person;
+drop trigger person_aggregates_post_count on post;
+drop trigger person_aggregates_post_score on post_like;
+drop trigger person_aggregates_comment_count on comment;
+drop trigger person_aggregates_comment_score on comment_like;
+drop function
+ person_aggregates_person,
+ person_aggregates_post_count,
+ person_aggregates_post_score,
+ person_aggregates_comment_count,
+ person_aggregates_comment_score;
+
-- user_ table
-- Drop views
drop view person_alias_1, person_alias_2;
-- Rename triggers
alter trigger site_aggregates_person_delete on person rename to site_aggregates_user_delete;
alter trigger site_aggregates_person_insert on person rename to site_aggregates_user_insert;
-alter trigger person_aggregates_person on person rename to user_aggregates_user;
-- Rename the trigger functions
alter function site_aggregates_person_delete() rename to site_aggregates_user_delete;
alter function site_aggregates_person_insert() rename to site_aggregates_user_insert;
-alter function person_aggregates_person() rename to user_aggregates_user;
-- Rename the table back to user_
alter table person rename to user_;
+alter sequence person_id_seq rename to user__id_seq;
-- Add the columns back in
alter table user_
drop table local_user;
+-- Add the user_aggregates table triggers
+
+-- initial user add
+create function user_aggregates_user()
+returns trigger language plpgsql
+as $$
+begin
+ IF (TG_OP = 'INSERT') THEN
+ insert into user_aggregates (user_id) values (NEW.id);
+ ELSIF (TG_OP = 'DELETE') THEN
+ delete from user_aggregates where user_id = OLD.id;
+ END IF;
+ return null;
+end $$;
+
+create trigger user_aggregates_user
+after insert or delete on user_
+for each row
+execute procedure user_aggregates_user();
+
+-- post count
+create function user_aggregates_post_count()
+returns trigger language plpgsql
+as $$
+begin
+ IF (TG_OP = 'INSERT') THEN
+ update user_aggregates
+ set post_count = post_count + 1 where user_id = NEW.creator_id;
+
+ ELSIF (TG_OP = 'DELETE') THEN
+ update user_aggregates
+ set post_count = post_count - 1 where user_id = OLD.creator_id;
+
+ -- If the post gets deleted, the score calculation trigger won't fire,
+ -- so you need to re-calculate
+ update user_aggregates ua
+ set post_score = pd.score
+ from (
+ select u.id,
+ coalesce(0, sum(pl.score)) as score
+ -- User join because posts could be empty
+ from user_ u
+ left join post p on u.id = p.creator_id
+ left join post_like pl on p.id = pl.post_id
+ group by u.id
+ ) pd
+ where ua.user_id = OLD.creator_id;
+
+ END IF;
+ return null;
+end $$;
+
+create trigger user_aggregates_post_count
+after insert or delete on post
+for each row
+execute procedure user_aggregates_post_count();
+
+-- post score
+create function user_aggregates_post_score()
+returns trigger language plpgsql
+as $$
+begin
+ IF (TG_OP = 'INSERT') THEN
+ -- Need to get the post creator, not the voter
+ update user_aggregates ua
+ set post_score = post_score + NEW.score
+ from post p
+ where ua.user_id = p.creator_id and p.id = NEW.post_id;
+
+ ELSIF (TG_OP = 'DELETE') THEN
+ update user_aggregates ua
+ set post_score = post_score - OLD.score
+ from post p
+ where ua.user_id = p.creator_id and p.id = OLD.post_id;
+ END IF;
+ return null;
+end $$;
+
+create trigger user_aggregates_post_score
+after insert or delete on post_like
+for each row
+execute procedure user_aggregates_post_score();
+
+-- comment count
+create function user_aggregates_comment_count()
+returns trigger language plpgsql
+as $$
+begin
+ IF (TG_OP = 'INSERT') THEN
+ update user_aggregates
+ set comment_count = comment_count + 1 where user_id = NEW.creator_id;
+ ELSIF (TG_OP = 'DELETE') THEN
+ update user_aggregates
+ set comment_count = comment_count - 1 where user_id = OLD.creator_id;
+
+ -- If the comment gets deleted, the score calculation trigger won't fire,
+ -- so you need to re-calculate
+ update user_aggregates ua
+ set comment_score = cd.score
+ from (
+ select u.id,
+ coalesce(0, sum(cl.score)) as score
+ -- User join because comments could be empty
+ from user_ u
+ left join comment c on u.id = c.creator_id
+ left join comment_like cl on c.id = cl.comment_id
+ group by u.id
+ ) cd
+ where ua.user_id = OLD.creator_id;
+ END IF;
+ return null;
+end $$;
+
+create trigger user_aggregates_comment_count
+after insert or delete on comment
+for each row
+execute procedure user_aggregates_comment_count();
+
+-- comment score
+create function user_aggregates_comment_score()
+returns trigger language plpgsql
+as $$
+begin
+ IF (TG_OP = 'INSERT') THEN
+ -- Need to get the post creator, not the voter
+ update user_aggregates ua
+ set comment_score = comment_score + NEW.score
+ from comment c
+ where ua.user_id = c.creator_id and c.id = NEW.comment_id;
+ ELSIF (TG_OP = 'DELETE') THEN
+ update user_aggregates ua
+ set comment_score = comment_score - OLD.score
+ from comment c
+ where ua.user_id = c.creator_id and c.id = OLD.comment_id;
+ END IF;
+ return null;
+end $$;
+
+create trigger user_aggregates_comment_score
+after insert or delete on comment_like
+for each row
+execute procedure user_aggregates_comment_score();
+
+
+
projects / lemmy.git / blobdiff