进行 n个学生成绩从高到低排名,排名方式根据函数的style参数进行,如style为 ‘a’ 按升序排,style为 ‘d’ 按降序排。 ( a:ascending 升,d: descending 降) -For n ranked from high to low student achievement, ranked according to the function of the style parameters, such as the style of " a" by ascending row, style for the " d" in descending row. (A: ascending l, d: descending down)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001100s ]
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:0.061869s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001183s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001317s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000897s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003096s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000907s ]
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:0.018368s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001525s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 147875 [ RunTime:0.013190s ]