编译原理的词法分析器，语法分析器(包括递归子程序，算符优先，LR类分析法)，语义分析等原理图-compiler tenets of lexical analyzer and parser (including recursive subroutines, operator precedence, LR type analysis), semantic analysis diagram
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001323s ]
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:0.076286s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001601s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001927s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001440s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005667s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001258s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007198s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021446s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001307s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 236342 [ RunTime:0.016215s ]
