内部算法排序比较，按从小到大排序，快速算法，归并排序，冒泡排序等-Comparison of internal sorting algorithm, to sort by from small to large, fast algorithms, merge sort, bubble sort, etc.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001234s ]
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:0.156011s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.015041s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.005452s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002300s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.010801s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000998s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004490s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015987s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001192s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 176410 [ RunTime:0.015386s ]
