有n个整数，使其前面各数顺序向后移m个位置，最后m个数变成最前面的m个数
-There is a whole number n, the number of its previous order of the backward shift position m, and finally the number m of m into the top of the number of
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.094861s ]
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:1.115472s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.014676s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.005002s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.016163s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003365s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.013856s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007092s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.145481s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.091138s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 146670 [ RunTime:0.070255s ]
