操作系统必做实验之一,虽然很简单,但是很实用,FIFO调度算法样例-One of the experiments will make the operating system, although very simple, but very practical, FIFO scheduling algorithm sample
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002084s ]
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:0.089375s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002391s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002089s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002331s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003608s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002047s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003508s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014694s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002381s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 315298 [ RunTime:0.001158s ]