lemmy/migrations/2021-08-02-002342_comment_count_fixes/down.sql
Dessalines be1389420b
Adding SQL format checking via pg_format / pgFormatter (#3740)
* SQL format checking, 1.

* SQL format checking, 2.

* SQL format checking, 3.

* SQL format checking, 4.

* SQL format checking, 5.

* Running pg_format

* Getting rid of comment.

* Upping pg_format version.

* Using git ls-files for sql format check.

* Fixing sql lints.

* Addressing PR comments.
2023-08-02 12:44:51 -04:00

41 lines
1 KiB
PL/PgSQL

DROP TRIGGER post_aggregates_comment_set_deleted ON comment;
DROP FUNCTION post_aggregates_comment_deleted;
CREATE OR REPLACE FUNCTION post_aggregates_comment_count ()
RETURNS TRIGGER
LANGUAGE plpgsql
AS $$
BEGIN
IF (TG_OP = 'INSERT') THEN
UPDATE
post_aggregates pa
SET
comments = comments + 1,
newest_comment_time = NEW.published
WHERE
pa.post_id = NEW.post_id;
-- A 2 day necro-bump limit
UPDATE
post_aggregates pa
SET
newest_comment_time_necro = NEW.published
WHERE
pa.post_id = NEW.post_id
AND published > ('now'::timestamp - '2 days'::interval);
ELSIF (TG_OP = 'DELETE') THEN
-- Join to post because that post may not exist anymore
UPDATE
post_aggregates pa
SET
comments = comments - 1
FROM
post p
WHERE
pa.post_id = p.id
AND pa.post_id = OLD.post_id;
END IF;
RETURN NULL;
END
$$;