普里姆构造最小生成树算法 图或网的邻接矩阵表示及其上基本算法的实现-prim minimum spanning tree algorithm tectonic map of the network or matrix and adjacency on the realization of basic algorithm
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001219s ]
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:0.083928s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001159s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001882s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001131s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003619s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000971s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003176s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015010s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001321s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 132372 [ RunTime:0.001326s ]