此程序是前方交会的实现，能很好的说明算法的原理，值得一看-This program is the realization of forward intersection can be a very good description of the algorithm theory, worth a visit
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001370s ]
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:0.092934s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001266s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001236s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003846s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001079s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014660s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001353s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 149900 [ RunTime:0.004746s ]
