-- Add product batch-delete button permission (idempotent)
SET @menuId := (
  SELECT menu_id FROM sys_menu
  WHERE perms = 'price:product:list' OR component LIKE '%price/basic/product%'
  ORDER BY menu_id ASC LIMIT 1
);

INSERT INTO sys_menu (menu_name, parent_id, order_num, path, component, is_frame, is_cache, menu_type, visible, status, perms, icon, create_by, create_time)
SELECT '产品删除', @menuId, 6, '', '', 1, 0, 'F', '0', '0', 'price:product:remove', '#', 'admin', sysdate()
WHERE @menuId IS NOT NULL
  AND NOT EXISTS (SELECT 1 FROM sys_menu WHERE perms = 'price:product:remove');