编译原理实验中的实验指导书，详细介绍了实验环境设置等，和详细源码-Compilation Principle experiment experimental instructions, detailing the experimental environment settings and so on, and detailed source
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002425s ]
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:0.086328s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002254s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002090s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002296s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003668s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002140s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003255s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014356s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001856s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 176372 [ RunTime:0.001468s ]
