用DSP做电梯的变频器问题解答,前段时间做了一点工作的经验之谈，希望对初学者有用-Inverter with DSP to do the elevator questions, some time ago to do a little work, from experience, want to be useful for beginners
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000959s ]
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:0.061704s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000990s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001239s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002183s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005306s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001270s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007058s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024174s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001833s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 233773 [ RunTime:0.014848s ]
