用于错误处理的一个C++类，可以实现自动化指针错误的地方,很适用于进程崩溃时发现出错的位置-For error handling, a C++ Category, you can realize automation pointer wrong place, it is applicable to the process of the collapse of the location of errors found
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000995s ]
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:0.070888s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000817s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001151s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000919s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003168s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000792s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003577s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016640s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001236s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 60860 [ RunTime:0.019091s ]
