编译原理-词法分析器-定义单词符号的种类，编码的规则等功能-Compiler Construction Principles- lexical analyzer- the definition of the types of word symbols, coding rules and other functions
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002019s ]
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:0.085858s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002309s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002258s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002293s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003931s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002179s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003277s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014745s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002410s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 109270 [ RunTime:0.001243s ]
