Function test_duplicate_columns

python/pyarrow/tests/test_feather.py:615–619

()

def test_duplicate_columns():
    # only works for version 2
    table = pa.table([[1, 2, 3], [4, 5, 6], [7, 8, 9]], names=['a', 'a', 'b'])
    _check_arrow_roundtrip(table)
    _assert_error_on_write(table, ValueError, version=1)


@pytest.mark.pandas