[SEDONA-434] Improve reliability by resolve the nondeterministic of t…

…he order of the Map (#1130)
apache · Nov 22, 2023 · 6478129 · 6478129
1 parent a282ed0
commit 6478129
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/spark/common/src/main/java/org/apache/sedona/core/spatialRDD/SpatialRDD.java b/spark/common/src/main/java/org/apache/sedona/core/spatialRDD/SpatialRDD.java
@@ -52,7 +52,7 @@
 
 import java.io.Serializable;
 import java.util.ArrayList;
-import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
@@ -568,7 +568,7 @@ public void saveAsGeoJSON(String outputLocation)
  Geometry spatialObject = iterator.next();
  Feature jsonFeature;
  if (spatialObject.getUserData() != null) {
- Map<String, Object> fields = new HashMap<String, Object>();
+ Map<String, Object> fields = new LinkedHashMap<String, Object>();
  String[] fieldValues = spatialObject.getUserData().toString().split("\t");
  if (fieldNames != null && fieldValues.length == fieldNames.size()) {
  for (int i = 0 ; i < fieldValues.length ; i++) {