图论算法中必学的内容之一,希望能给学习编程的学弟学妹们有所帮助-graph algorithm will learn one of the elements in hopes of giving the incoming young men and women to learn programming help
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002247s ]
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:0.089629s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003156s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.013893s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.007609s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003407s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001025s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007156s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018745s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001137s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 122046 [ RunTime:0.023807s ]
