这是一个关于线程并行与串行所用时间的比较（结合了win32更有实用性）-This is a thread of the serial and parallel time spent by the comparison (in the context of the win32 more practical)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001263s ]
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:0.087634s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001167s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002000s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001233s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003658s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000997s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003246s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014783s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001237s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 215806 [ RunTime:0.003362s ]
