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:0.002013s ]
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:0.088002s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002282s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002059s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.004298s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003752s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002361s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003517s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015643s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003146s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 106937 [ RunTime:0.001198s ]
