goods/migrations/0013_drug_archive_kind.down.sql

-- Reverse 0013: detach products from the seeded drug categories, drop the drug
-- category subtree, and remove the drug field template.
UPDATE product SET category_id = NULL
WHERE category_id IN (SELECT id FROM category WHERE path <@ 'drug');

DELETE FROM category WHERE path <@ 'drug';

DELETE FROM kind_field WHERE kind = 'drug';