jiayuasu commented on code in PR #615:
URL: https://github.com/apache/incubator-sedona/pull/615#discussion_r855807148
##########
flink/src/main/java/org/apache/sedona/flink/expressions/Functions.java:
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@@ -110,4 +111,36 @@ public String eval(@DataTypeHint(value = "RAW", bridgedTo
= org.locationtech.jts
return GeomUtils.getEWKT(geom);
}
}
+
+ public static class ST_XMax extends ScalarFunction {
+ @DataTypeHint("Double")
+ public Double eval(@DataTypeHint(value = "RAW", bridgedTo =
org.locationtech.jts.geom.Geometry.class) Object o) {
+ Geometry geom = (Geometry) o;
+ Coordinate[] coord = geom.getCoordinates();
+ double max = Double.MIN_VALUE;
+ for(int i=0;i< coord.length;i++){
+ if(coord[i].getX()>max){
+ max = coord[i].getX();
+ }
+ }
+ return max;
+ }
+
+ }
+
+ public static class ST_XMin extends ScalarFunction {
+ @DataTypeHint("Double")
+ public Double eval(@DataTypeHint(value = "RAW", bridgedTo =
org.locationtech.jts.geom.Geometry.class) Object o) {
+ Geometry geom = (Geometry) o;
+ Coordinate[] coord = geom.getCoordinates();
+ double min = Double.MIN_VALUE;
Review Comment:
This one is a bug. Fix it with MaxValue
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