一个压缩算法, 名字叫PPMD,压缩率比较高, 同时, 可以自行修改并编译,请各位研究算法的同僚一同研究.-a compression algorithm, named PPMD, higher compression ratio, and can make its own decisions and build, please algorithm research colleagues to study together.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001686s ]
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:0.072057s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001644s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001962s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001801s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003229s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000948s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003848s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015199s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001189s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 127650 [ RunTime:0.109553s ]
