带有postgis的dblink postgresql中的linestring不起作用
发布时间:2021-01-13 23:42:29  所属栏目: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 box
                
                
                
            | 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:南平站长网) 【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! | 

