在ArcGIS环境下，将一个狭长的多边形压缩成一条线，以及将选定的一个多边形压缩成一条线。主要用在地理数据综合方面-in ArcGIS environment, a narrow compressed into a polygon line and selected a polygon compressed into one line. The main geographical data synthesis
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001800s ]
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:0.104710s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001014s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001082s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001131s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003012s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000827s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003689s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015739s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001139s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 261411 [ RunTime:0.022149s ]
