《编译原理实践教程》中的程序作了一些扩展，可以将程序转化成四元式。 本人认为书上的程序极为垃圾！- "Translation Principle Practice Course" the center procedure
has made some expansions, may transform the procedure four Yuan types.
Myself think in the book procedure extremely trash!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001294s ]
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:0.093799s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001226s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001885s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001194s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003937s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001075s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003208s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017097s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001484s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 116451 [ RunTime:0.001334s ]
