数据结构的基本操作：链式存储结构实现一元多项式的所有基本操作，包括在多项式链表P中顺序插入结点e,插入后结点按指数从小到大排列等-The basic operation of data structures: Linked Storage Structure unary polynomial realization of all the basic operations, including the list in the polynomial P in the order of insertion node e, inserted nodes exponentially from small to large array, etc.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002195s ]
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:0.091379s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002372s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002147s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002235s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003603s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002141s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003512s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014451s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002219s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 70792 [ RunTime:0.001160s ]
