这是一个用C++实现的语法制导翻译程序，当输入一个表达式时可以将其转化为相应的四元式-This is a realization of the C syntax translation guided procedure, when an input expression can be translated into the corresponding four yuan-
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001533s ]
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:0.089046s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001171s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001825s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001124s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003558s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000958s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003132s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014313s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001254s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 57788 [ RunTime:0.001320s ]
