一个解一元多次方程的单元, 支持三次、四次方程。 不返回方程的虚根。-one yuan a solution to the equation multiple modules to support three or four equations. Not to return to the virtual root equation.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001401s ]
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:0.089033s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000924s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001122s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000964s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003041s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001180s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005984s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.027694s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001638s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 124646 [ RunTime:0.026020s ]