教师抽象基类及其派生的特聘教授，责任教授，教学人员，研究人员等派生类．-teachers abstract base class and its derived Chair Professor, Professor responsibility, teaching staff, researchers and other derived class.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002101s ]
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:0.093539s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002417s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001988s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002295s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003693s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002123s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003298s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015821s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002466s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 143453 [ RunTime:0.001175s ]
