这是一个表达式程序，主要用以实现从前缀表达式到后缀表达式的转换功能-This is an expression of procedures, mainly used for the realization of the suffix prefix expression expressions of the conversion function
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001127s ]
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:0.071297s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001104s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001092s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001006s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003532s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001216s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004008s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015660s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001158s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 309310 [ RunTime:0.017334s ]
