这是 b 树的源代码。此代码是 showen，它的建筑和搜索。这是 b 树源代码此代码是 showen 其建设和搜索。这是 b 树源代码此代码是 showen 其建设和搜索。这是 b 树源代码此代码是 showen 其建设和搜索。这是 b 树源代码此代码是 showen 其建设和搜索。这是 b 树源代码此代码是 showen 其建设和搜索。这是此代码是 showen，它的建筑和搜索. b 树源的代码。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001127s ]
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:0.063570s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000971s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001150s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000896s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003013s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000829s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003532s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021424s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001838s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 273165 [ RunTime:0.017001s ]
