#upsert? on update legacy result is true if updated_existing is false

estolfo · estolfo · commit 243d1ec2f947 · 2015-03-24T11:03:37.000+01:00
diff --git a/lib/mongo/operation/write/update/result.rb b/lib/mongo/operation/write/update/result.rb
@@ -141,13 +141,13 @@ def modified_count
           #
           # @since 2.0.0
           def upserted_id
-            upsert?
+            first[UPSERTED] if upsert?
           end
 
           private
 
           def upsert?
-            first[UPSERTED]
+            !updated_existing?
           end
 
           def updated_existing?
