网线测试仪程序，可测试网线长度（300M内），排序，用脉冲反波测试，时间*速度=距离的原理。-Cable tester program to test cable length (300M) with sorting, using anti-wave test pulse, time* speed = distance principle.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001072s ]
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:0.064550s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001114s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001120s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001029s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003170s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000922s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003723s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017621s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001160s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 158169 [ RunTime:0.018994s ]
