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
LINE 9: … WHERE Box2d(geomfromtext(”LInesTRING(‘|| s.”X” + 0….