防止一个程序的多个实例同时运行 防止一个程序的多个实例同时运行-procedures to prevent a run multiple instances of a procedure to prevent multiple instances running a proce dure to prevent multiple instances running simultaneously
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001414s ]
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:0.091670s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001285s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001948s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001269s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003941s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001216s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003412s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016083s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001550s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 293685 [ RunTime:0.001405s ]
