包含两个程序，一个用于读管道，一个用于写管道．主要是练习有名管道的使用方法．-contains two procedures, a pipeline used for reading, writing for a pipeline. Main pipeline is a well-known practice of use.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001544s ]
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:0.108682s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001561s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002427s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001342s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004273s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001249s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003919s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018428s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001529s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 278258 [ RunTime:0.001514s ]
