自动生成一个LL(1)文法。对输入文法,由程序自动生成它的LL(1)分析表;对于给定的输入串,应能判断识别该串是否为给定文法的句型-LL (1) grammar. On the importation of grammar, automatically generated from the LL (1) Analysis Table; For a given input string, Recognition should be able to judge whether the series for a given grammar Sentence
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001202s ]
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:0.080255s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001028s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001038s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003339s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000913s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003908s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015315s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001268s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 152612 [ RunTime:0.013692s ]