java 树操作函数,建树,插入分支,插入节点,查找节点, 可指定字段排序-java tree manipulation functions, achievements and the insertion of branches, insert nodes, the nodes you can order the specified field
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001438s ]
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:0.083955s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000993s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001102s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001057s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003238s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000880s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003679s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019765s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001423s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 52770 [ RunTime:0.014862s ]
