一多项式求值,求导,减法,乘法,加法. 输出形式为类数学表达式, 指数升序排列.-a polynomial function, derivation, subtraction, multiplication and addition. Output form of mathematical expression category, the index in ascending order.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001000s ]
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:0.073284s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001052s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001250s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000992s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003278s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000942s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003819s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015596s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001317s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 116829 [ RunTime:0.026246s ]
