做了个很小的程序，里面主要是为了探讨一下关于位图的句柄与指针之间的关系，本人对这个弄得还不是很清楚，特请高手指点-Make a very small program, which is mainly in order to explore a bit on the bitmap handle and guide the relationship between, I made about this not clear, expert advice was requested
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001377s ]
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:0.089391s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001246s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001923s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001312s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003657s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001073s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003209s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014595s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001334s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 168264 [ RunTime:0.001166s ]
