lemmy/migrations/2024-02-24-034523_replaceab.../up.sql

82 lines
3.1 KiB
SQL

CREATE UNIQUE INDEX idx_site_aggregates_1_row_only ON site_aggregates ((TRUE));
-- Drop functions and use `CASCADE` to drop the triggers that use them
DROP FUNCTION comment_aggregates_comment, comment_aggregates_score, community_aggregates_comment_count, community_aggregates_community, community_aggregates_post_count, community_aggregates_post_count_insert, community_aggregates_subscriber_count, delete_follow_before_person, person_aggregates_comment_count, person_aggregates_comment_score, person_aggregates_person, person_aggregates_post_count, person_aggregates_post_insert, person_aggregates_post_score, post_aggregates_comment_count, post_aggregates_featured_community, post_aggregates_featured_local, post_aggregates_post, post_aggregates_score, site_aggregates_comment_delete, site_aggregates_comment_insert, site_aggregates_community_delete, site_aggregates_community_insert, site_aggregates_person_delete, site_aggregates_person_insert, site_aggregates_post_delete, site_aggregates_post_insert, site_aggregates_post_update, site_aggregates_site, was_removed_or_deleted, was_restored_or_created CASCADE;
-- Drop rank functions
DROP FUNCTION controversy_rank, scaled_rank, hot_rank;
-- Defer constraints
ALTER TABLE comment_aggregates
ALTER CONSTRAINT comment_aggregates_comment_id_fkey INITIALLY DEFERRED;
ALTER TABLE community_aggregates
ALTER CONSTRAINT community_aggregates_community_id_fkey INITIALLY DEFERRED;
ALTER TABLE person_aggregates
ALTER CONSTRAINT person_aggregates_person_id_fkey INITIALLY DEFERRED;
ALTER TABLE post_aggregates
ALTER CONSTRAINT post_aggregates_community_id_fkey INITIALLY DEFERRED,
ALTER CONSTRAINT post_aggregates_creator_id_fkey INITIALLY DEFERRED,
ALTER CONSTRAINT post_aggregates_instance_id_fkey INITIALLY DEFERRED,
ALTER CONSTRAINT post_aggregates_post_id_fkey INITIALLY DEFERRED;
ALTER TABLE site_aggregates
ALTER CONSTRAINT site_aggregates_site_id_fkey INITIALLY DEFERRED;
-- Fix values that might be incorrect because of the old triggers
UPDATE
post_aggregates
SET
featured_local = post.featured_local,
featured_community = post.featured_community
FROM
post
WHERE
post_aggregates.post_id = post.id
AND (post_aggregates.featured_local,
post_aggregates.featured_community) != (post.featured_local,
post.featured_community);
UPDATE
community_aggregates
SET
comments = counted.comments
FROM (
SELECT
community_id,
count(*) AS comments
FROM
comment,
LATERAL (
SELECT
*
FROM
post
WHERE
post.id = comment.post_id
LIMIT 1) AS post
WHERE
NOT (comment.deleted
OR comment.removed
OR post.deleted
OR post.removed)
GROUP BY
community_id) AS counted
WHERE
community_aggregates.community_id = counted.community_id
AND community_aggregates.comments != counted.comments;
UPDATE
site_aggregates
SET
communities = (
SELECT
count(*)
FROM
community
WHERE
local);