用FFT实现相关函数快速估计,相比一般的直接按定义计算其算法结构要简单得多,而且效率较高-using FFT function rapid estimates, compared to the direct general terms by its algorithm much more simple, but efficient
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001173s ]
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:0.085882s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001133s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000899s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003303s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000851s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001179s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 315523 [ RunTime:0.013364s ]
