操作系统SCAN算法源码思想，希望有识之士可以棒改进一下，大家受益受益-SCAN algorithm source operating systems thinking, I hope people can stick to improve the look, we all benefit from the benefit
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002248s ]
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:0.102114s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001142s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001450s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001110s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003650s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000839s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004348s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016081s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001165s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 199322 [ RunTime:0.020539s ]
