SPIHT多级树集合分裂算法的基础知识,讲解详细,适合于入门者理解算法的基本思想。-SPIHT multi-level tree splitting algorithm is a collection of basic knowledge, to explain in detail, suitable for beginners to understand the basic idea of the algorithm.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001331s ]
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:0.091294s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001299s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001895s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001273s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003604s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001114s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003281s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015464s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001521s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 239940 [ RunTime:0.001377s ]