设计并实现一个多用户多级目录结构的文件系统，开发平台是Linux-Designed and implemented a multi-user multi-level directory structure of the file system, development platform is Linux
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002622s ]
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:0.091597s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001956s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001958s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002957s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005121s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002346s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003412s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016224s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002574s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 211222 [ RunTime:0.001340s ]
