另外一种持久性o/m软件，类似于hibernate，
灵活性强，能快速开发功能完整的java产品，开发成本低-another persistent o/m software, similar to exploit, flexibility, rapid development of the functional integrity of java products, the development of low-cost
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001224s ]
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:0.086712s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001171s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001975s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001184s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003706s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001158s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004188s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014934s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001318s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 98742 [ RunTime:0.001452s ]
