Computes "Connected Components" using Tarjan s Union-Find algorithm the result is returned in the same buffer as gray_level image with values equal to the label of the component.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.007701s ]
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:0.110742s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000936s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001142s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000948s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003095s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000810s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003661s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017003s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001171s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 106937 [ RunTime:0.013262s ]
