求分子、分母的最大公约数，并将分子、分母组合成“分子/分母”形式的字符串-Seeking elements, the denominator of the common denominator and the numerator and denominator to form " molecules/denominator" form of a string
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001364s ]
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:0.080849s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001133s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001533s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001447s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004445s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000999s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004221s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017672s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001219s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 185797 [ RunTime:0.013900s ]
