拉格朗日差值算法，内涵读取文件，插值，写入文件，读取文件为PARCHG,写入文件为INSERT_DATA-Lagrangian difference algorithm, meaning to read the file, interpolation, write files, read the file PARCHG, write documents INSERT_DATA
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001947s ]
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:0.086878s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002226s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001911s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002189s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003642s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001958s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003218s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015124s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002322s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 240698 [ RunTime:0.001090s ]
