通用的functor模板集合，用于比较元素之间、元素与范围、范围与范围之间的关系。-Functor template generic collection of elements used to compare between the elements and scope, scope and extent of the relationship between.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002214s ]
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:0.088579s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002491s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002046s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002375s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003872s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002316s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003543s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015873s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002854s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 224951 [ RunTime:0.001529s ]
