RDBC-934 Metadata modifications changes fix

Author: poissoncorp

ravendb/documents/session/document_session.py

@@ -668,6 +668,16 @@ def has_changed(self, entity: object) -> bool:
             if document_info is None:
                 return False
 
+            # Ensure metadata modifications performed via advanced.get_metadata_for(...)
+            # are reflected before diffing, so metadata-only changes are detected.
+            try:
+                from ravendb.documents.session.document_session_operations.misc import _update_metadata_modifications
+
+                _update_metadata_modifications(document_info.metadata_instance, document_info.metadata)
+            except Exception:
+                # Be conservative: if helper import fails for any reason, proceed without blocking
+                pass
+
             document = self._session.entity_to_json.convert_entity_to_json(entity, document_info)
             return self._session._entity_changed(document, document_info, None)
 

ravendb/documents/session/document_session_operations/in_memory_document_session_operations.py

@@ -1166,6 +1166,9 @@ def _entity_changed(
     def has_changes(self) -> bool:
         for entity in self._documents_by_entity:
             entity: DocumentsByEntityHolder.DocumentsByEntityEnumeratorResult
+            # Ensure metadata modifications done via advanced.get_metadata_for(...)
+            # are reflected before diffing, so metadata-only changes are detected.
+            _update_metadata_modifications(entity.value.metadata_instance, entity.value.metadata)
             document = self.entity_to_json.convert_entity_to_json(entity.key, entity.value)
             if self._entity_changed(document, entity.value, None):
                 return True