fix sort by string when the value is null

Yelp · Feb 4, 2025 · f25d98d · f25d98d
1 parent 45a2942
commit f25d98d
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/main/java/com/yelp/nrtsearch/server/search/sort/SortParser.java b/src/main/java/com/yelp/nrtsearch/server/search/sort/SortParser.java
@@ -196,7 +196,9 @@ private static SearchResponse.Hit.CompositeFieldValue getValueForSortField(
         break;
       case STRING:
       case STRING_VAL:
-        if (sortValue instanceof BytesRef) {
+        if (sortValue == null) {
+          fieldValue.setTextValue("");
+        } else if (sortValue instanceof BytesRef) {
           fieldValue.setTextValue(((BytesRef) sortValue).utf8ToString());
         } else {
           fieldValue.setTextValue((String) sortValue);