二维平面多边形布尔运算，高速，有效，可用于平面字体处理，矢量图处理等-Two-dimensional polygon Boolean operations, high-speed, effective treatment can be used to print fonts, vector processing
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001151s ]
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:0.088165s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001249s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001967s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001233s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003575s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001077s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003186s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015780s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001427s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 164297 [ RunTime:0.001449s ]
