虚拟文件系统 这个简单的文件系统实现了最简单的文件系统功能，是使用一个磁盘文件来模拟磁盘的。-virtual file system this simple file system to achieve the most simple functions of the file system is to use a disk file to simulate disk.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001107s ]
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:0.061325s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001031s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001093s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001001s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003073s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000805s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003624s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.013960s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001258s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 118135 [ RunTime:0.014060s ]
