Merge branch 'parquet_support' into test-parquet

tables.py

@@ -104,6 +104,14 @@ class RevisionEditorId(RevisionField[Union[int, None]]):
         return revision.user.id
 
 
+class RevisionEditSummary(RevisionField[Union[str, None]]):
+    field = pa.field("edit_summary", pa.string(), nullable=True)
+
+    def extract(self, page: mwtypes.Page, revisions: list[mwxml.Revision]) -> Union[str, None]:
+        revision = revisions[-1]
+
+        return revision.comment
+
 class RevisionIsAnon(RevisionField[Union[bool, None]]):
     field = pa.field("anon", pa.bool_(), nullable=True)