Backport PR #52332 on branch 2.0.x (Use date32 for pyarrow date) (#52350)

Backport PR #52332: Use date32 for pyarrow date

Co-authored-by: Ádám Lippai <adam@rigo.sk>

Author: mroeschke

pandas/core/arrays/arrow/array.py

@@ -1999,7 +1999,7 @@ def _dt_second(self):
 
     @property
     def _dt_date(self):
-        return type(self)(self._data.cast(pa.date64()))
+        return type(self)(self._data.cast(pa.date32()))
 
     @property
     def _dt_time(self):

pandas/tests/extension/test_arrow.py

@@ -2155,7 +2155,7 @@ def test_dt_properties(prop, expected):
     result = getattr(ser.dt, prop)
     exp_type = None
     if isinstance(expected, date):
-        exp_type = pa.date64()
+        exp_type = pa.date32()
     elif isinstance(expected, time):
         exp_type = pa.time64("ns")
     expected = pd.Series(ArrowExtensionArray(pa.array([expected, None], type=exp_type)))