S3C2440 arm9芯片上RTC的测试程序，可以测试RTC是否正确运行，以及能对RTC进行时间设置。-RTC chip S3C2440 arm9 test procedures to test whether the RTC correctly, and be able to set the RTC time.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001208s ]
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:0.099921s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001766s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001380s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002043s ]
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