单链表简单基数排序，关键字有三个，参与排序的关键字的值为0-9之间的数-Simple single-chain base sequencing, there are three keywords to participate in the value of the keyword ranking for a number between 0-9
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001359s ]
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:0.091884s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001244s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002040s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001206s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003706s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001021s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003459s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015567s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001418s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 185165 [ RunTime:0.001229s ]
