zhengruifeng commented on code in PR #53873:
URL: https://github.com/apache/spark/pull/53873#discussion_r2711633514
##########
python/pyspark/tests/upstream/pyarrow/test_pyarrow_type_coercion.py:
##########
@@ -754,6 +764,48 @@ def test_pandas_instances_coercion(self):
]
self._run_coercion_tests_with_values(datetime_cases)
+ @unittest.skipIf(not have_pandas, pandas_requirement_message)
+ @unittest.skipIf(
+ have_pyarrow and pyarrow_19_or_greater,
+ "PyArrow >= 19 has different type coercion behavior for
ArrowDtype-backed Series",
+ )
+ def test_pandas_arrow_dtype_no_coercion_pyarrow18(self):
+ """Test PyArrow < 19 type coercion behavior for ArrowDtype-backed
Series.
+
+ In PyArrow < 19, pa.array() with ArrowDtype-backed Series ignores the
target type
Review Comment:
this is what we want to catch from upstream changes!
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