生成tin（不规则三角格网）的算法，根据区域的有限个点集将区域划分为相等的三角面网络-Generation tin (irregular triangular grid) algorithm, according to the region will be a finite number of points equal to the region is divided into triangular surface network
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001274s ]
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:0.093061s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001267s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002000s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001363s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003749s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001026s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003303s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015380s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001425s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 245162 [ RunTime:0.001426s ]
