BEGIN;
ALTER TABLE studio_designs DROP CONSTRAINT studio_designs_layout_id_check;
ALTER TABLE studio_designs ADD CONSTRAINT studio_designs_layout_id_check CHECK (layout_id='standard-01' OR layout_id ~ '^ref-(0[1-9]|1[0-9]|2[0-7])$');
ALTER TABLE studio_designs ADD COLUMN archived boolean NOT NULL DEFAULT false;
ALTER TABLE studio_designs ADD COLUMN archived_at timestamptz;
INSERT INTO schema_migrations(version) VALUES('012_studio_library');
COMMIT;