从网上下载的一个自己编写的简单的操作系统源代码,对底层了解很有好处的-downloaded from the Internet on their own to prepare a simple operating system source code, the underlying understanding of the very good
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001933s ]
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:0.167191s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001731s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003023s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001929s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004406s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001961s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003399s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018958s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001967s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 228533 [ RunTime:0.001901s ]
