本程序演示无向网的操作，顶点为字符型(char)，权值为整型(int)-This program demonstrates the operation of an undirected network, vertex for the character (char), the right value of an integer (int)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001231s ]
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:0.112892s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000882s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001231s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000943s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003274s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000876s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003696s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017803s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001139s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 165418 [ RunTime:0.011485s ]
