银行家算法执行程序，请大家实验，可以用的，可以检测是否存在安全序列！-bankers algorithm implementation procedures, please experiments can be used and can detect the presence of safety sequences!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001007s ]
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:0.072251s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000983s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001160s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000959s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003089s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000887s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003887s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015390s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001126s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 108395 [ RunTime:0.017013s ]
