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:0.001983s ]
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:0.106385s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001070s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001184s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000979s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003348s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001161s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006003s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021439s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001311s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 181345 [ RunTime:0.016364s ]
