aboderinsamuel commented on code in PR #50203:
URL: https://github.com/apache/arrow/pull/50203#discussion_r3427123893
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python/pyarrow/tests/test_array.py:
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@@ -2924,6 +2924,24 @@ def test_array_from_invalid_dim_raises():
pa.array(arr0d)
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+def test_fixed_size_list_from_multidim_ndarray():
+ # GH-49644: a fixed-size list can be built from multi-dimensional ndarray
+ # elements by flattening them in C order.
+ arr = pa.array([np.array([[1, 2, 3]]), np.array([[4, 5, 6]])],
+ type=pa.list_(pa.int64(), 3))
Review Comment:
Good call, pinned dtype=np.int64 on the NumPy arrays so the test is
deterministic across platforms (and exercises the int64 fast path rather than
the casting fallback).
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