内部排序算法，此程序包含了基本的排序算法，并对各个算法的性能做了相应的分析-internal sorting algorithm, which includes the basic sorting algorithm, as well as the performance of various algorithms do the corresponding analysis
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002160s ]
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:0.091211s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002525s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001929s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002163s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003687s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002209s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003198s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014812s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002421s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 307729 [ RunTime:0.001177s ]
