将内存中的一段数据拷贝到另外一段内存中,要考虑其中的内存覆盖问题。-A section of the memory to copy data to another section of memory, it is necessary to take into account the memory coverage problems.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002761s ]
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:0.092754s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002087s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001939s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002368s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003673s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002055s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003667s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016454s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002933s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 259830 [ RunTime:0.001255s ]