若果文件不完整，或者磁盘有坏道，可能就不能进行复制，这时候就需要badcopy来复制受损磁道上的文件了。-If the document is incomplete, or the Bad Track disk there may not be copied, this time on badcopy the need to copy the damaged files on the track.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001283s ]
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:0.090700s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001254s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.006576s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001640s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003911s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001097s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003177s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017880s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001322s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 171700 [ RunTime:0.001337s ]
