数据同步，用于PIM 的数据同步，包括手持设设备和PC机，移动设备同服务器之间的数据同步-data synchronization, used for PIM, support data synchronization a movable device (eg.handset and PC) between server.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001298s ]
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:0.089344s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001214s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001863s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001230s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003681s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001052s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003191s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014631s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001324s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 296413 [ RunTime:0.001415s ]
