“多播”亦称“多点传送”（M u l t i c a s t i n g），是一种让数据从一个成员送出，然后复制给其
他多个成员的技术-"multicast" also known as "multicast" (M u l t i c a s t i n g), is a way to let members of data from a given, and then copied to a number of other members of the technology
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001009s ]
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:0.062262s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001146s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001157s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000996s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004643s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001313s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003939s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015667s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001220s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 239415 [ RunTime:0.018072s ]
