Fix dickreckard's constraint problem.

BEGIN;
DROP TRIGGER inherit_import_item_imported_as_fkey ON vandelay.import_item;

CREATE CONSTRAINT TRIGGER inherit_import_item_imported_as_fkey
        AFTER UPDATE OR INSERT ON vandelay.import_item
        DEFERRABLE FOR EACH ROW EXECUTE PROCEDURE evergreen.vandelay_import_item_imported_as_inh_fkey();
COMMIT;