SET search_path TO atlas, public;

-- 币种变化影响售价含义；历史快照保留，发布必须重新确认。
CREATE FUNCTION invalidate_store_currency_pricing() RETURNS trigger LANGUAGE plpgsql SET search_path = atlas, public AS $$
BEGIN
    UPDATE product_variant_platform_listings SET pricing_valid=false WHERE store_id=NEW.id;
    RETURN NEW;
END $$;
CREATE TRIGGER store_currency_pricing_changed AFTER UPDATE OF currency_code ON stores
FOR EACH ROW WHEN (OLD.currency_code IS DISTINCT FROM NEW.currency_code) EXECUTE FUNCTION invalidate_store_currency_pricing();