Fokko commented on code in PR #1947:
URL: https://github.com/apache/iceberg-python/pull/1947#discussion_r2056158865


##########
tests/table/test_upsert.py:
##########
@@ -369,18 +369,25 @@ def test_upsert_with_identifier_fields(catalog: Catalog) 
-> None:
     )
     upd = tbl.upsert(df)
 
-    expected_operations = [Operation.APPEND, Operation.OVERWRITE, 
Operation.APPEND, Operation.APPEND]
+    expected_operations = [Operation.APPEND, Operation.OVERWRITE, 
Operation.APPEND]
 
-    assert upd.rows_updated == 1
+    assert upd.rows_updated == 2
     assert upd.rows_inserted == 1
 
     assert [snap.summary.operation for snap in tbl.snapshots() if snap.summary 
is not None] == expected_operations
 
-    # This should be a no-op
+    # This will update all 3 rows

Review Comment:
   I don't think it is very nice to update rows that should not be updated 🤔 If 
nothing changes, we should just skip over it.



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