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Adding a few more tables.
This commit is contained in:
parent
d0bd02eea0
commit
a183815870
3 changed files with 369 additions and 6 deletions
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*.sql
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*.sqldump
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@ -1,3 +1,42 @@
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-- user_ban
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alter table person_ban rename to user_ban;
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alter sequence person_ban_id_seq rename to user_ban_id_seq;
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alter index person_ban_pkey rename to user_ban_pkey;
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alter index person_ban_person_id_key rename to user_ban_user_id_key;
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alter table user_ban rename constraint person_ban_person_id_fkey to user_ban_user_id_fkey;
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-- user_mention
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alter table person_mention rename to user_mention;
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alter sequence person_mention_id_seq rename to user_mention_id_seq;
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alter index person_mention_pkey rename to user_mention_pkey;
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alter index person_mention_recipient_id_comment_id_key rename to user_mention_recipient_id_comment_id_key;
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alter table user_mention rename constraint person_mention_comment_id_fkey to user_mention_comment_id_fkey;
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alter table user_mention rename constraint person_mention_recipient_id_fkey to user_mention_recipient_id_fkey;
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-- User aggregates table
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alter table person_aggregates rename to user_aggregates;
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alter sequence person_aggregates_id_seq rename to user_aggregates_id_seq;
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alter table user_aggregates rename column person_id to user_id;
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-- Indexes
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alter index person_aggregates_pkey rename to user_aggregates_pkey;
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alter index idx_person_aggregates_comment_score rename to idx_user_aggregates_comment_score;
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alter index person_aggregates_person_id_key rename to user_aggregates_user_id_key;
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alter table user_aggregates rename constraint person_aggregates_person_id_fkey to user_aggregates_user_id_fkey;
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-- Redo the user_aggregates table
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drop trigger person_aggregates_person on person;
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drop trigger person_aggregates_post_count on post;
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drop trigger person_aggregates_post_score on post_like;
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drop trigger person_aggregates_comment_count on comment;
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drop trigger person_aggregates_comment_score on comment_like;
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drop function
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person_aggregates_person,
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person_aggregates_post_count,
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person_aggregates_post_score,
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person_aggregates_comment_count,
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person_aggregates_comment_score;
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-- user_ table
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-- Drop views
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drop view person_alias_1, person_alias_2;
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@ -12,15 +51,14 @@ alter index idx_person_published rename to idx_user_published;
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-- Rename triggers
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alter trigger site_aggregates_person_delete on person rename to site_aggregates_user_delete;
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alter trigger site_aggregates_person_insert on person rename to site_aggregates_user_insert;
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alter trigger person_aggregates_person on person rename to user_aggregates_user;
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-- Rename the trigger functions
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alter function site_aggregates_person_delete() rename to site_aggregates_user_delete;
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alter function site_aggregates_person_insert() rename to site_aggregates_user_insert;
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alter function person_aggregates_person() rename to user_aggregates_user;
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-- Rename the table back to user_
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alter table person rename to user_;
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alter sequence person_id_seq rename to user__id_seq;
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-- Add the columns back in
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alter table user_
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@ -57,3 +95,148 @@ create view user_alias_2 as select * from user_;
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drop table local_user;
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-- Add the user_aggregates table triggers
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-- initial user add
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create function user_aggregates_user()
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returns trigger language plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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insert into user_aggregates (user_id) values (NEW.id);
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ELSIF (TG_OP = 'DELETE') THEN
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delete from user_aggregates where user_id = OLD.id;
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END IF;
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return null;
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end $$;
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create trigger user_aggregates_user
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after insert or delete on user_
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for each row
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execute procedure user_aggregates_user();
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-- post count
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create function user_aggregates_post_count()
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returns trigger language plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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update user_aggregates
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set post_count = post_count + 1 where user_id = NEW.creator_id;
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ELSIF (TG_OP = 'DELETE') THEN
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update user_aggregates
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set post_count = post_count - 1 where user_id = OLD.creator_id;
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-- If the post gets deleted, the score calculation trigger won't fire,
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-- so you need to re-calculate
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update user_aggregates ua
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set post_score = pd.score
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from (
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select u.id,
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coalesce(0, sum(pl.score)) as score
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-- User join because posts could be empty
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from user_ u
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left join post p on u.id = p.creator_id
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left join post_like pl on p.id = pl.post_id
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group by u.id
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) pd
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where ua.user_id = OLD.creator_id;
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END IF;
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return null;
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end $$;
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create trigger user_aggregates_post_count
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after insert or delete on post
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for each row
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execute procedure user_aggregates_post_count();
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-- post score
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create function user_aggregates_post_score()
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returns trigger language plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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-- Need to get the post creator, not the voter
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update user_aggregates ua
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set post_score = post_score + NEW.score
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from post p
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where ua.user_id = p.creator_id and p.id = NEW.post_id;
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ELSIF (TG_OP = 'DELETE') THEN
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update user_aggregates ua
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set post_score = post_score - OLD.score
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from post p
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where ua.user_id = p.creator_id and p.id = OLD.post_id;
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END IF;
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return null;
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end $$;
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create trigger user_aggregates_post_score
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after insert or delete on post_like
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for each row
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execute procedure user_aggregates_post_score();
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-- comment count
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create function user_aggregates_comment_count()
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returns trigger language plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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update user_aggregates
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set comment_count = comment_count + 1 where user_id = NEW.creator_id;
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ELSIF (TG_OP = 'DELETE') THEN
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update user_aggregates
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set comment_count = comment_count - 1 where user_id = OLD.creator_id;
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-- If the comment gets deleted, the score calculation trigger won't fire,
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-- so you need to re-calculate
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update user_aggregates ua
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set comment_score = cd.score
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from (
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select u.id,
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coalesce(0, sum(cl.score)) as score
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-- User join because comments could be empty
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from user_ u
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left join comment c on u.id = c.creator_id
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left join comment_like cl on c.id = cl.comment_id
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group by u.id
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) cd
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where ua.user_id = OLD.creator_id;
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END IF;
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return null;
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end $$;
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create trigger user_aggregates_comment_count
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after insert or delete on comment
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for each row
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execute procedure user_aggregates_comment_count();
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-- comment score
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create function user_aggregates_comment_score()
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returns trigger language plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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-- Need to get the post creator, not the voter
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update user_aggregates ua
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set comment_score = comment_score + NEW.score
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from comment c
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where ua.user_id = c.creator_id and c.id = NEW.comment_id;
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ELSIF (TG_OP = 'DELETE') THEN
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update user_aggregates ua
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set comment_score = comment_score - OLD.score
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from comment c
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where ua.user_id = c.creator_id and c.id = OLD.comment_id;
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END IF;
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return null;
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end $$;
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create trigger user_aggregates_comment_score
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after insert or delete on comment_like
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for each row
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execute procedure user_aggregates_comment_score();
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@ -1,8 +1,10 @@
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-- Person
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-- Drop the 2 views user_alias_1, user_alias_2
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drop view user_alias_1, user_alias_2;
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-- rename the user_ table to person
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alter table user_ rename to person;
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alter sequence user__id_seq rename to person_id_seq;
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-- create a new table local_user
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create table local_user (
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@ -78,16 +80,194 @@ alter index idx_user_published rename to idx_person_published;
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-- Rename triggers
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alter trigger site_aggregates_user_delete on person rename to site_aggregates_person_delete;
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alter trigger site_aggregates_user_insert on person rename to site_aggregates_person_insert;
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alter trigger user_aggregates_user on person rename to person_aggregates_person;
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-- Rename the trigger functions
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alter function site_aggregates_user_delete() rename to site_aggregates_person_delete;
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alter function site_aggregates_user_insert() rename to site_aggregates_person_insert;
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alter function user_aggregates_user() rename to person_aggregates_person;
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-- Create views
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create view person_alias_1 as select * from person;
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create view person_alias_2 as select * from person;
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-- Rename every user_id column to person_id
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-- Redo user aggregates into person_aggregates
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alter table user_aggregates rename to person_aggregates;
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alter sequence user_aggregates_id_seq rename to person_aggregates_id_seq;
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alter table person_aggregates rename column user_id to person_id;
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-- index
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alter index user_aggregates_pkey rename to person_aggregates_pkey;
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alter index idx_user_aggregates_comment_score rename to idx_person_aggregates_comment_score;
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alter index user_aggregates_user_id_key rename to person_aggregates_person_id_key;
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alter table person_aggregates rename constraint user_aggregates_user_id_fkey to person_aggregates_person_id_fkey;
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-- Drop all the old triggers and functions
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drop trigger user_aggregates_user on person;
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drop trigger user_aggregates_post_count on post;
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drop trigger user_aggregates_post_score on post_like;
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drop trigger user_aggregates_comment_count on comment;
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drop trigger user_aggregates_comment_score on comment_like;
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drop function
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user_aggregates_user,
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user_aggregates_post_count,
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user_aggregates_post_score,
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user_aggregates_comment_count,
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user_aggregates_comment_score;
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-- initial user add
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create function person_aggregates_person()
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returns trigger language plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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insert into person_aggregates (person_id) values (NEW.id);
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ELSIF (TG_OP = 'DELETE') THEN
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delete from person_aggregates where person_id = OLD.id;
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END IF;
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return null;
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end $$;
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create trigger person_aggregates_person
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after insert or delete on person
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for each row
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execute procedure person_aggregates_person();
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-- post count
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create function person_aggregates_post_count()
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returns trigger language plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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update person_aggregates
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set post_count = post_count + 1 where person_id = NEW.creator_id;
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ELSIF (TG_OP = 'DELETE') THEN
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update person_aggregates
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set post_count = post_count - 1 where person_id = OLD.creator_id;
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-- If the post gets deleted, the score calculation trigger won't fire,
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-- so you need to re-calculate
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update person_aggregates ua
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set post_score = pd.score
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from (
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select u.id,
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coalesce(0, sum(pl.score)) as score
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-- User join because posts could be empty
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from person u
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left join post p on u.id = p.creator_id
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left join post_like pl on p.id = pl.post_id
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group by u.id
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) pd
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where ua.person_id = OLD.creator_id;
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END IF;
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return null;
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end $$;
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create trigger person_aggregates_post_count
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after insert or delete on post
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for each row
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execute procedure person_aggregates_post_count();
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-- post score
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create function person_aggregates_post_score()
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returns trigger language plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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-- Need to get the post creator, not the voter
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update person_aggregates ua
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set post_score = post_score + NEW.score
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from post p
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where ua.person_id = p.creator_id and p.id = NEW.post_id;
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ELSIF (TG_OP = 'DELETE') THEN
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update person_aggregates ua
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set post_score = post_score - OLD.score
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from post p
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where ua.person_id = p.creator_id and p.id = OLD.post_id;
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END IF;
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return null;
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end $$;
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create trigger person_aggregates_post_score
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after insert or delete on post_like
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for each row
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execute procedure person_aggregates_post_score();
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-- comment count
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create function person_aggregates_comment_count()
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returns trigger language plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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update person_aggregates
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set comment_count = comment_count + 1 where person_id = NEW.creator_id;
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ELSIF (TG_OP = 'DELETE') THEN
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update person_aggregates
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set comment_count = comment_count - 1 where person_id = OLD.creator_id;
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-- If the comment gets deleted, the score calculation trigger won't fire,
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-- so you need to re-calculate
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update person_aggregates ua
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set comment_score = cd.score
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from (
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select u.id,
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coalesce(0, sum(cl.score)) as score
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-- User join because comments could be empty
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from person u
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left join comment c on u.id = c.creator_id
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left join comment_like cl on c.id = cl.comment_id
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group by u.id
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) cd
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where ua.person_id = OLD.creator_id;
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END IF;
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return null;
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end $$;
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create trigger person_aggregates_comment_count
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after insert or delete on comment
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for each row
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execute procedure person_aggregates_comment_count();
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-- comment score
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create function person_aggregates_comment_score()
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returns trigger language plpgsql
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as $$
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begin
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IF (TG_OP = 'INSERT') THEN
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-- Need to get the post creator, not the voter
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update person_aggregates ua
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set comment_score = comment_score + NEW.score
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from comment c
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where ua.person_id = c.creator_id and c.id = NEW.comment_id;
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ELSIF (TG_OP = 'DELETE') THEN
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update person_aggregates ua
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set comment_score = comment_score - OLD.score
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from comment c
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where ua.person_id = c.creator_id and c.id = OLD.comment_id;
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END IF;
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return null;
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end $$;
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create trigger person_aggregates_comment_score
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after insert or delete on comment_like
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for each row
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execute procedure person_aggregates_comment_score();
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-- person_mention
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alter table user_mention rename to person_mention;
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alter sequence user_mention_id_seq rename to person_mention_id_seq;
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alter index user_mention_pkey rename to person_mention_pkey;
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alter index user_mention_recipient_id_comment_id_key rename to person_mention_recipient_id_comment_id_key;
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alter table person_mention rename constraint user_mention_comment_id_fkey to person_mention_comment_id_fkey;
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alter table person_mention rename constraint user_mention_recipient_id_fkey to person_mention_recipient_id_fkey;
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-- user_ban
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alter table user_ban rename to person_ban;
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alter sequence user_ban_id_seq rename to person_ban_id_seq;
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alter index user_ban_pkey rename to person_ban_pkey;
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alter index user_ban_user_id_key rename to person_ban_person_id_key;
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alter table person_ban rename constraint user_ban_user_id_fkey to person_ban_person_id_fkey;
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