SKiplist是一种概率应用于平衡树的替换数据结构。-Skip list is a probabilistic alternative to balanced trees that provide much of the simplicity of unbalanced trees , togethere with good worst-case expected performance.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000959s ]
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:0.075518s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001564s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002090s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001497s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006162s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001320s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006939s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015587s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001230s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 235536 [ RunTime:0.015218s ]
