队列,1、 掌握队列的顺序存储结构和“假溢出”的处理方法
2、 设计用标志位解决“假溢出”问题的顺序队列
-cohort, 1, the master queue storage structure and sequence "false spillover" of the two treatment methods. Design signs spaces, "false spillover" in the order queue
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000983s ]
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:0.073878s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001085s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001166s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001158s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003177s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000934s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003807s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014350s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001143s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 154936 [ RunTime:0.014353s ]