提供directshow的知识说明，许多基础的但在开发过程中用到的都有涉及，但其他教程并没有涉及这些基础的知识-DirectShow provides the knowledge that, many based in the development process used are involved in, but other tutorials do not deal with them based on knowledge
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001266s ]
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:0.088837s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001229s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001903s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001136s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003557s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000967s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003118s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014715s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001188s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 157080 [ RunTime:0.001144s ]
