线形预测编码是用数据间的线形关系，通过前一个值对后来的值进行预测编码-linear predictive coding data used is the linear relationship, before the adoption of a value on the subsequent value predictive coding
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001032s ]
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:0.083138s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001187s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001206s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000966s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003871s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.004240s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003941s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021756s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001051s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 305642 [ RunTime:0.024862s ]
