SQL语句错误: select x.id,a.title,a.senddate,a.litpic,a.click,a.description,t.id as tid,t.ename from bj_arcid x left join bj_article a on x.id=a.id left join bj_type t on x.typeid=t.id where x.typeid in (6) order by x.id desc limit -30,30
错误信息: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-30,30' at line 1