平衡二叉树实现一个动态查找表,有三种基本功能:查找,插入删除,还有选项功能:合并两棵平衡二叉树,和分裂两棵平衡二叉树.-balanced binary tree to achieve a dynamic lookup table, there are three basic functions : to find, delete, insert, functional options : merging two balanced binary tree, and split two balanced binary tree.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001283s ]
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:0.059318s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001043s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001141s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000947s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002937s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000815s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003500s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014512s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001177s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 190439 [ RunTime:0.016606s ]
