计算连续两个整型变量的内存地址之间的差异
利用诡异手段动态改变引用型变量的指向-Two integer variables for the calculation of the difference between the memory address means of dynamic change in the use of strange references to type variables
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002332s ]
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:0.094713s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002545s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001957s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.006674s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004102s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002226s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003422s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021820s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002978s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 145805 [ RunTime:0.001551s ]
