二次指数平滑预测法和三次指数平滑预测法是普遍的预测方法,应用很广,本代码还包含其平滑系数的确定-quadratic exponential smoothing prediction and three exponential smoothing prediction is a common forecasting methods, a wide application, the code also includes its smooth determine the coefficient
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001411s ]
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:0.095323s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002410s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001969s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001009s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003125s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000869s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003844s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014859s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001159s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 289915 [ RunTime:0.035673s ]
