错误SQL语句：
select * from `www_all_item` where `type` = 'C' order by `id` DESC limit -20,20
系统错误：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 '-20,20' at line 1
客户IP:178.154.243.95
时间 :2014-01-19 07:01:29

错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -3440,20
系统错误：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 '-3440,20' at line 1
客户IP:220.181.125.16
时间 :2014-01-19 09:50:32

错误SQL语句：
select * from `www_all_item` where `type` = '2' order by `id` DESC limit -40,20
系统错误：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 '-40,20' at line 1
客户IP:42.156.138.81
时间 :2014-01-19 10:58:46

错误SQL语句：
select * from `www_all_item` where `type` = 'A' order by `id` DESC limit -140,20
系统错误：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 '-140,20' at line 1
客户IP:42.156.136.81
时间 :2014-01-19 10:58:46