自定义非空生效过滤

{s-if:field} {e-if:field}

 "where": "{s-if:userName} and (real_name like CONCAT('%',@userName,'%') or user_id in (select user_id from bo_user_account where nike_name like CONCAT('%',@userName,'%') or telephone_suffix like  CONCAT('%',@userName,'%'))){e-if:userName}",