带有postgis的dblink postgresql中的linestring不起作用
发布时间:2021-01-14 03:47:38 所属栏目:站长百科 来源:网络整理
导读:我正在尝试使用postgis函数进行dblink,但是线串给了我很多问题. SELECT DV3."XXX",s."QQQID",s."X",s."Y",a."PPP"FROM "QQQ" s INNER JOIN "AAA" a ON a."QQQID" = s."QQQID",dblink('dbname=ZZZ','SELECT XXX,the_geom FROM "geometry","QQQ" s WHERE box2d
我正在尝试使用postgis函数进行dblink,但是线串给了我很多问题. SELECT DV3."XXX",s."QQQID",s."X",s."Y",a."PPP" FROM "QQQ" s INNER JOIN "AAA" a ON a."QQQID" = s."QQQID",dblink('dbname=ZZZ','SELECT XXX,the_geom FROM "geometry","QQQ" s WHERE box2d(geomfromtext(''LINESTRING('|| s."X" ||' '||s."Y" ||','|| s."X" || ' '||s."Y" || ')'',2309)) && the_geom' ) DV3("XXX" INTEGER,"the_geom" geometry) WHERE contains(DV3.the_geom,geomfromtext('POINT('|| s."X" ||' '|| s."Y" ||')',2309))--21 AND "GGG" IS NOT NULL 错误
解决方法根据Tanzeeb的说法,有两个单引号紧挨着两个实例,看起来它们应该是双引号而不是两个单引号.在 'SELECT XXX,the_geom FROM "geometry","QQQ" s WHERE box2d(geomfromtext(''LINESTRING('|| s."X" ||' '||s."Y" ||',2309)) && the_geom' 在LINESTRING之前和之前,2309. (编辑:晋中站长网) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |