这是一个lr文法分析器，输入句子会自动分析，如果有错误会分析道错误位置-this is a grammer analyzer. it will automaticaly analyze the inputted sentences. it will locate the mistakes to there position if there are some.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001274s ]
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:0.090056s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001242s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001889s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001213s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003626s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001030s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003191s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014767s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001397s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 300336 [ RunTime:0.001736s ]
