可实现矩阵转换，螺旋数组，数字移动，数组操作，桶排序，杨辉三角形-conversion matrix can be realized, helical array, digital mobile array operation, barrels, in order of Yang Hui triangle
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001293s ]
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:0.090622s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001248s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001883s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001232s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003595s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001066s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003170s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015897s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001389s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 306691 [ RunTime:0.001315s ]
