lemmy/migrations/2021-03-09-171136_split_user_table_2/up.sql

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-- Person
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-- Drop the 2 views user_alias_1, user_alias_2
DROP VIEW user_alias_1, user_alias_2;
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-- rename the user_ table to person
ALTER TABLE user_ RENAME TO person;
ALTER SEQUENCE user__id_seq
RENAME TO person_id_seq;
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-- create a new table local_user
CREATE TABLE local_user (
id serial PRIMARY KEY,
person_id int REFERENCES person ON UPDATE CASCADE ON DELETE CASCADE NOT NULL,
password_encrypted text NOT NULL,
email text UNIQUE,
admin boolean DEFAULT FALSE NOT NULL,
show_nsfw boolean DEFAULT FALSE NOT NULL,
theme character varying(20) DEFAULT 'darkly' ::character varying NOT NULL,
default_sort_type smallint DEFAULT 0 NOT NULL,
default_listing_type smallint DEFAULT 1 NOT NULL,
lang character varying(20) DEFAULT 'browser' ::character varying NOT NULL,
show_avatars boolean DEFAULT TRUE NOT NULL,
send_notifications_to_email boolean DEFAULT FALSE NOT NULL,
matrix_user_id text,
UNIQUE (person_id)
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);
-- Copy the local users over to the new table
INSERT INTO local_user (person_id, password_encrypted, email, admin, show_nsfw, theme, default_sort_type, default_listing_type, lang, show_avatars, send_notifications_to_email, matrix_user_id)
SELECT
id,
password_encrypted,
email,
admin,
show_nsfw,
theme,
default_sort_type,
default_listing_type,
lang,
show_avatars,
send_notifications_to_email,
matrix_user_id
FROM
person
WHERE
local = TRUE;
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-- Drop those columns from person
ALTER TABLE person
DROP COLUMN password_encrypted,
DROP COLUMN email,
DROP COLUMN admin,
DROP COLUMN show_nsfw,
DROP COLUMN theme,
DROP COLUMN default_sort_type,
DROP COLUMN default_listing_type,
DROP COLUMN lang,
DROP COLUMN show_avatars,
DROP COLUMN send_notifications_to_email,
DROP COLUMN matrix_user_id;
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-- Rename indexes
ALTER INDEX user__pkey RENAME TO person__pkey;
ALTER INDEX idx_user_actor_id RENAME TO idx_person_actor_id;
ALTER INDEX idx_user_inbox_url RENAME TO idx_person_inbox_url;
ALTER INDEX idx_user_lower_actor_id RENAME TO idx_person_lower_actor_id;
ALTER INDEX idx_user_published RENAME TO idx_person_published;
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-- Rename triggers
ALTER TRIGGER site_aggregates_user_delete ON person RENAME TO site_aggregates_person_delete;
ALTER TRIGGER site_aggregates_user_insert ON person RENAME TO site_aggregates_person_insert;
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-- Rename the trigger functions
ALTER FUNCTION site_aggregates_user_delete () RENAME TO site_aggregates_person_delete;
ALTER FUNCTION site_aggregates_user_insert () RENAME TO site_aggregates_person_insert;
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-- Create views
CREATE VIEW person_alias_1 AS
SELECT
*
FROM
person;
CREATE VIEW person_alias_2 AS
SELECT
*
FROM
person;
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-- Redo user aggregates into person_aggregates
ALTER TABLE user_aggregates RENAME TO person_aggregates;
ALTER SEQUENCE user_aggregates_id_seq
RENAME TO person_aggregates_id_seq;
ALTER TABLE person_aggregates RENAME COLUMN user_id TO person_id;
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-- index
ALTER INDEX user_aggregates_pkey RENAME TO person_aggregates_pkey;
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;
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
DROP TRIGGER user_aggregates_user ON person;
DROP TRIGGER user_aggregates_post_count ON post;
DROP TRIGGER user_aggregates_post_score ON post_like;
DROP TRIGGER user_aggregates_comment_count ON comment;
DROP TRIGGER user_aggregates_comment_score ON comment_like;
DROP FUNCTION user_aggregates_user, user_aggregates_post_count, user_aggregates_post_score, user_aggregates_comment_count, user_aggregates_comment_score;
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-- initial user add
CREATE FUNCTION person_aggregates_person ()
RETURNS TRIGGER
LANGUAGE plpgsql
AS $$
BEGIN
IF (TG_OP = 'INSERT') THEN
INSERT INTO person_aggregates (person_id)
VALUES (NEW.id);
ELSIF (TG_OP = 'DELETE') THEN
DELETE FROM person_aggregates
WHERE person_id = OLD.id;
END IF;
RETURN NULL;
END
$$;
CREATE TRIGGER person_aggregates_person
AFTER INSERT OR DELETE ON person
FOR EACH ROW
EXECUTE PROCEDURE person_aggregates_person ();
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-- post count
CREATE FUNCTION person_aggregates_post_count ()
RETURNS TRIGGER
LANGUAGE plpgsql
AS $$
BEGIN
IF (TG_OP = 'INSERT') THEN
UPDATE
person_aggregates
SET
post_count = post_count + 1
WHERE
person_id = NEW.creator_id;
ELSIF (TG_OP = 'DELETE') THEN
UPDATE
person_aggregates
SET
post_count = post_count - 1
WHERE
person_id = OLD.creator_id;
-- If the post gets deleted, the score calculation trigger won't fire,
-- so you need to re-calculate
UPDATE
person_aggregates ua
SET
post_score = pd.score
FROM (
SELECT
u.id,
coalesce(0, sum(pl.score)) AS score
-- User join because posts could be empty
FROM
person u
LEFT JOIN post p ON u.id = p.creator_id
LEFT JOIN post_like pl ON p.id = pl.post_id
GROUP BY
u.id) pd
WHERE
ua.person_id = OLD.creator_id;
END IF;
RETURN NULL;
END
$$;
CREATE TRIGGER person_aggregates_post_count
AFTER INSERT OR DELETE ON post
FOR EACH ROW
EXECUTE PROCEDURE person_aggregates_post_count ();
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-- post score
CREATE FUNCTION person_aggregates_post_score ()
RETURNS TRIGGER
LANGUAGE plpgsql
AS $$
BEGIN
IF (TG_OP = 'INSERT') THEN
-- Need to get the post creator, not the voter
UPDATE
person_aggregates ua
SET
post_score = post_score + NEW.score
FROM
post p
WHERE
ua.person_id = p.creator_id
AND p.id = NEW.post_id;
ELSIF (TG_OP = 'DELETE') THEN
UPDATE
person_aggregates ua
SET
post_score = post_score - OLD.score
FROM
post p
WHERE
ua.person_id = p.creator_id
AND p.id = OLD.post_id;
END IF;
RETURN NULL;
END
$$;
CREATE TRIGGER person_aggregates_post_score
AFTER INSERT OR DELETE ON post_like
FOR EACH ROW
EXECUTE PROCEDURE person_aggregates_post_score ();
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-- comment count
CREATE FUNCTION person_aggregates_comment_count ()
RETURNS TRIGGER
LANGUAGE plpgsql
AS $$
BEGIN
IF (TG_OP = 'INSERT') THEN
UPDATE
person_aggregates
SET
comment_count = comment_count + 1
WHERE
person_id = NEW.creator_id;
ELSIF (TG_OP = 'DELETE') THEN
UPDATE
person_aggregates
SET
comment_count = comment_count - 1
WHERE
person_id = OLD.creator_id;
-- If the comment gets deleted, the score calculation trigger won't fire,
-- so you need to re-calculate
UPDATE
person_aggregates ua
SET
comment_score = cd.score
FROM (
SELECT
u.id,
coalesce(0, sum(cl.score)) AS score
-- User join because comments could be empty
FROM
person u
LEFT JOIN comment c ON u.id = c.creator_id
LEFT JOIN comment_like cl ON c.id = cl.comment_id
GROUP BY
u.id) cd
WHERE
ua.person_id = OLD.creator_id;
END IF;
RETURN NULL;
END
$$;
CREATE TRIGGER person_aggregates_comment_count
AFTER INSERT OR DELETE ON comment
FOR EACH ROW
EXECUTE PROCEDURE person_aggregates_comment_count ();
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-- comment score
CREATE FUNCTION person_aggregates_comment_score ()
RETURNS TRIGGER
LANGUAGE plpgsql
AS $$
BEGIN
IF (TG_OP = 'INSERT') THEN
-- Need to get the post creator, not the voter
UPDATE
person_aggregates ua
SET
comment_score = comment_score + NEW.score
FROM
comment c
WHERE
ua.person_id = c.creator_id
AND c.id = NEW.comment_id;
ELSIF (TG_OP = 'DELETE') THEN
UPDATE
person_aggregates ua
SET
comment_score = comment_score - OLD.score
FROM
comment c
WHERE
ua.person_id = c.creator_id
AND c.id = OLD.comment_id;
END IF;
RETURN NULL;
END
$$;
CREATE TRIGGER person_aggregates_comment_score
AFTER INSERT OR DELETE ON comment_like
FOR EACH ROW
EXECUTE PROCEDURE person_aggregates_comment_score ();
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-- person_mention
ALTER TABLE user_mention RENAME TO person_mention;
ALTER SEQUENCE user_mention_id_seq
RENAME TO person_mention_id_seq;
ALTER INDEX user_mention_pkey RENAME TO person_mention_pkey;
ALTER INDEX user_mention_recipient_id_comment_id_key RENAME TO person_mention_recipient_id_comment_id_key;
ALTER TABLE person_mention RENAME CONSTRAINT user_mention_comment_id_fkey TO person_mention_comment_id_fkey;
ALTER TABLE person_mention RENAME CONSTRAINT user_mention_recipient_id_fkey TO person_mention_recipient_id_fkey;
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-- user_ban
ALTER TABLE user_ban RENAME TO person_ban;
ALTER SEQUENCE user_ban_id_seq
RENAME TO person_ban_id_seq;
ALTER INDEX user_ban_pkey RENAME TO person_ban_pkey;
ALTER INDEX user_ban_user_id_key RENAME TO person_ban_person_id_key;
ALTER TABLE person_ban RENAME COLUMN user_id TO person_id;
ALTER TABLE person_ban RENAME CONSTRAINT user_ban_user_id_fkey TO person_ban_person_id_fkey;
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-- comment_like
ALTER TABLE comment_like RENAME COLUMN user_id TO person_id;
ALTER INDEX idx_comment_like_user RENAME TO idx_comment_like_person;
ALTER TABLE comment_like RENAME CONSTRAINT comment_like_comment_id_user_id_key TO comment_like_comment_id_person_id_key;
ALTER TABLE comment_like RENAME CONSTRAINT comment_like_user_id_fkey TO comment_like_person_id_fkey;
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-- comment_saved
ALTER TABLE comment_saved RENAME COLUMN user_id TO person_id;
ALTER TABLE comment_saved RENAME CONSTRAINT comment_saved_comment_id_user_id_key TO comment_saved_comment_id_person_id_key;
ALTER TABLE comment_saved RENAME CONSTRAINT comment_saved_user_id_fkey TO comment_saved_person_id_fkey;
-- community_follower
ALTER TABLE community_follower RENAME COLUMN user_id TO person_id;
ALTER TABLE community_follower RENAME CONSTRAINT community_follower_community_id_user_id_key TO community_follower_community_id_person_id_key;
ALTER TABLE community_follower RENAME CONSTRAINT community_follower_user_id_fkey TO community_follower_person_id_fkey;
-- community_moderator
ALTER TABLE community_moderator RENAME COLUMN user_id TO person_id;
ALTER TABLE community_moderator RENAME CONSTRAINT community_moderator_community_id_user_id_key TO community_moderator_community_id_person_id_key;
ALTER TABLE community_moderator RENAME CONSTRAINT community_moderator_user_id_fkey TO community_moderator_person_id_fkey;
-- community_user_ban
ALTER TABLE community_user_ban RENAME TO community_person_ban;
ALTER SEQUENCE community_user_ban_id_seq
RENAME TO community_person_ban_id_seq;
ALTER TABLE community_person_ban RENAME COLUMN user_id TO person_id;
ALTER TABLE community_person_ban RENAME CONSTRAINT community_user_ban_pkey TO community_person_ban_pkey;
ALTER TABLE community_person_ban RENAME CONSTRAINT community_user_ban_community_id_fkey TO community_person_ban_community_id_fkey;
ALTER TABLE community_person_ban RENAME CONSTRAINT community_user_ban_community_id_user_id_key TO community_person_ban_community_id_person_id_key;
ALTER TABLE community_person_ban RENAME CONSTRAINT community_user_ban_user_id_fkey TO community_person_ban_person_id_fkey;
-- mod_add
ALTER TABLE mod_add RENAME COLUMN mod_user_id TO mod_person_id;
ALTER TABLE mod_add RENAME COLUMN other_user_id TO other_person_id;
ALTER TABLE mod_add RENAME CONSTRAINT mod_add_mod_user_id_fkey TO mod_add_mod_person_id_fkey;
ALTER TABLE mod_add RENAME CONSTRAINT mod_add_other_user_id_fkey TO mod_add_other_person_id_fkey;
-- mod_add_community
ALTER TABLE mod_add_community RENAME COLUMN mod_user_id TO mod_person_id;
ALTER TABLE mod_add_community RENAME COLUMN other_user_id TO other_person_id;
ALTER TABLE mod_add_community RENAME CONSTRAINT mod_add_community_mod_user_id_fkey TO mod_add_community_mod_person_id_fkey;
ALTER TABLE mod_add_community RENAME CONSTRAINT mod_add_community_other_user_id_fkey TO mod_add_community_other_person_id_fkey;
-- mod_ban
ALTER TABLE mod_ban RENAME COLUMN mod_user_id TO mod_person_id;
ALTER TABLE mod_ban RENAME COLUMN other_user_id TO other_person_id;
ALTER TABLE mod_ban RENAME CONSTRAINT mod_ban_mod_user_id_fkey TO mod_ban_mod_person_id_fkey;
ALTER TABLE mod_ban RENAME CONSTRAINT mod_ban_other_user_id_fkey TO mod_ban_other_person_id_fkey;
-- mod_ban_community
ALTER TABLE mod_ban_from_community RENAME COLUMN mod_user_id TO mod_person_id;
ALTER TABLE mod_ban_from_community RENAME COLUMN other_user_id TO other_person_id;
ALTER TABLE mod_ban_from_community RENAME CONSTRAINT mod_ban_from_community_mod_user_id_fkey TO mod_ban_from_community_mod_person_id_fkey;
ALTER TABLE mod_ban_from_community RENAME CONSTRAINT mod_ban_from_community_other_user_id_fkey TO mod_ban_from_community_other_person_id_fkey;
-- mod_lock_post
ALTER TABLE mod_lock_post RENAME COLUMN mod_user_id TO mod_person_id;
ALTER TABLE mod_lock_post RENAME CONSTRAINT mod_lock_post_mod_user_id_fkey TO mod_lock_post_mod_person_id_fkey;
-- mod_remove_comment
ALTER TABLE mod_remove_comment RENAME COLUMN mod_user_id TO mod_person_id;
ALTER TABLE mod_remove_comment RENAME CONSTRAINT mod_remove_comment_mod_user_id_fkey TO mod_remove_comment_mod_person_id_fkey;
-- mod_remove_community
ALTER TABLE mod_remove_community RENAME COLUMN mod_user_id TO mod_person_id;
ALTER TABLE mod_remove_community RENAME CONSTRAINT mod_remove_community_mod_user_id_fkey TO mod_remove_community_mod_person_id_fkey;
-- mod_remove_post
ALTER TABLE mod_remove_post RENAME COLUMN mod_user_id TO mod_person_id;
ALTER TABLE mod_remove_post RENAME CONSTRAINT mod_remove_post_mod_user_id_fkey TO mod_remove_post_mod_person_id_fkey;
-- mod_sticky_post
ALTER TABLE mod_sticky_post RENAME COLUMN mod_user_id TO mod_person_id;
ALTER TABLE mod_sticky_post RENAME CONSTRAINT mod_sticky_post_mod_user_id_fkey TO mod_sticky_post_mod_person_id_fkey;
-- password_reset_request
DELETE FROM password_reset_request;
ALTER TABLE password_reset_request
DROP COLUMN user_id;
ALTER TABLE password_reset_request
ADD COLUMN local_user_id integer NOT NULL REFERENCES local_user (id) ON UPDATE CASCADE ON DELETE CASCADE;
-- post_like
ALTER TABLE post_like RENAME COLUMN user_id TO person_id;
ALTER INDEX idx_post_like_user RENAME TO idx_post_like_person;
ALTER TABLE post_like RENAME CONSTRAINT post_like_post_id_user_id_key TO post_like_post_id_person_id_key;
ALTER TABLE post_like RENAME CONSTRAINT post_like_user_id_fkey TO post_like_person_id_fkey;
-- post_read
ALTER TABLE post_read RENAME COLUMN user_id TO person_id;
ALTER TABLE post_read RENAME CONSTRAINT post_read_post_id_user_id_key TO post_read_post_id_person_id_key;
ALTER TABLE post_read RENAME CONSTRAINT post_read_user_id_fkey TO post_read_person_id_fkey;
-- post_saved
ALTER TABLE post_saved RENAME COLUMN user_id TO person_id;
ALTER TABLE post_saved RENAME CONSTRAINT post_saved_post_id_user_id_key TO post_saved_post_id_person_id_key;
ALTER TABLE post_saved RENAME CONSTRAINT post_saved_user_id_fkey TO post_saved_person_id_fkey;
-- redo site aggregates trigger
CREATE OR REPLACE FUNCTION site_aggregates_activity (i text)
RETURNS integer
LANGUAGE plpgsql
AS $$
DECLARE
count_ integer;
BEGIN
SELECT
count(*) INTO count_
FROM (
SELECT
c.creator_id
FROM
comment c
INNER JOIN person u ON c.creator_id = u.id
WHERE
c.published > ('now'::timestamp - i::interval)
AND u.local = TRUE
UNION
SELECT
p.creator_id
FROM
post p
INNER JOIN person u ON p.creator_id = u.id
WHERE
p.published > ('now'::timestamp - i::interval)
AND u.local = TRUE) a;
RETURN count_;
END;
$$;