包含图的深度优先探索遍历和广度优先探索遍历，能从图中的任一顶点出发访问图中所有顶点-Includes plans to explore the depth-first traversal and breadth-first traversal to explore, from the graph the starting point of any visit to Figure 1 for all vertices
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001060s ]
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:0.079530s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.007933s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001362s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001001s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003102s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000860s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004036s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017761s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001178s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 172566 [ RunTime:0.028711s ]
