NT下的类似Unix下的su程序，可以使用其他用户账号和密码登录从而改变自己的存取权限-NT similar Unix su procedure, may use other user
account numbers and the password registers thus changes own deposit
and withdrawal jurisdiction
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001894s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.087920s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002268s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002052s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002317s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003654s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001983s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003269s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015317s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002668s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 104426 [ RunTime:0.001232s ]
