commento/db/20190505191006-comment-count-decrease.sql
Enrico Testori 4a8e90bd43 db: decrease comment count when a comment is deleted
Update commentsDeleteTriggerFunction in order to decrease the
counter before deleting nested comments.

Closes https://gitlab.com/commento/commento/issues/157
2019-07-25 18:25:08 -07:00

14 lines
433 B
PL/PgSQL

-- This trigger is called every time a comment is deleted, so the comment count for the page where the comment belong is updated
CREATE OR REPLACE FUNCTION commentsDeleteTriggerFunction() RETURNS TRIGGER AS $trigger$
BEGIN
UPDATE pages
SET commentCount = commentCount - 1
WHERE domain = old.domain AND path = old.path;
DELETE FROM comments
WHERE parentHex = old.commentHex;
RETURN NEW;
END;
$trigger$ LANGUAGE plpgsql;