快速排序的递归解演示，用20个字符串代表20个数，显示每次分组结果，延时10000。如果在你的机子上太快，可以加长延时。-rapid sequencing of recursive solution demonstrations, with 20 representatives of 20 string number, the results show that each packet, Delay 10000. If your machine on too fast, it could be Long Time Delay.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001970s ]
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:0.087399s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002464s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002253s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002107s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003601s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002019s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014905s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002496s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 244709 [ RunTime:0.001169s ]
