把中缀表达式转换成后缀表达式，输入中缀表达式输出后缀表达式-Chinese sergeant expressions into expressions suffix, the importation of Chinese exports suffix sergeant expression expression
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002596s ]
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:0.104831s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002343s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001901s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002170s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003669s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002159s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003343s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016041s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002802s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 181345 [ RunTime:0.001110s ]
