这是一个用来实现找鞍点的程序，最后输出鞍点所在的横坐标和纵坐标-Used to realize this is a saddle point finding procedure, the final output saddle point where the abscissa and ordinate
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001324s ]
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:0.130272s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001196s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001945s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001170s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003591s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001003s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003237s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014746s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001229s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 290486 [ RunTime:0.012400s ]
