多播亦称多点传播是一种数据从一个成员送出后，然后复制给其他多个成员的技术，本章主要介绍了这种技术。-Also known as Multicast Multicast is a data sent from a member, and then copied to a number of other members of the technology, this chapter introduces this technology.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002639s ]
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:0.117744s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001226s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001398s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005281s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002857s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021128s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001161s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 232436 [ RunTime:0.022731s ]
