sql/migrations/relationship-attributes/down.sql
BEGIN;
ALTER TABLE bookbrainz.relationship DROP COLUMN attribute_set_id;
DROP TABLE IF EXISTS bookbrainz.relationship_attribute_set__relationship_attribute;
DROP TABLE IF EXISTS bookbrainz.relationship_attribute_text_value;
DROP TABLE IF EXISTS bookbrainz.relationship_attribute;
DROP TABLE IF EXISTS bookbrainz.relationship_attribute_set;
DROP TABLE IF EXISTS bookbrainz.relationship_type__attribute_type;
DROP TABLE IF EXISTS bookbrainz.relationship_attribute_type;
DELETE FROM bookbrainz.relationship_type WHERE id BETWEEN 70 and 74;
COMMIT;
BEGIN;
DELETE FROM bookbrainz.relationship_type WHERE id = 75;
COMMIT;