程序用于产生0到1之间均匀分布的随机数序列，程序例子中产生50个-Procedures used to produce between 0-1 uniformly distributed random number sequence, the program generated 50 examples
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001353s ]
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:0.093055s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001334s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002001s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001284s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003730s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001117s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003371s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014723s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001306s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 121290 [ RunTime:0.001245s ]
