在实验三所给文法中加上语义动作，使其在语法分析的同时，产生相应的四元式序列-In the experiment three to add semantic actions to the grammar, so that in parsing the same time, resulting in a corresponding quaternary-type sequence
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001575s ]
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:0.091801s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001258s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001927s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001312s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003676s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001157s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003363s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015678s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001557s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 222538 [ RunTime:0.001569s ]
