Re: [I] [C++][Python] Implement pc.equal for List arguments [arrow]

["raulcd (via GitHub)" <gi...@apache.org>]

raulcd commented on issue #45167:
URL: https://github.com/apache/arrow/issues/45167#issuecomment-2582443605

   It would be interesting to do the same for other nested types like structs too:
   ```python
   >>> ty = pa.struct([pa.field('a', pa.int8()), pa.field('b', pa.float32())])
   >>> arr = pa.array([(1, 2.5), (3, 4.5), (5, 6.5)], type=ty)
   >>> arr2 = pa.array([(1, 2.5), (3, 4.5), (5, 6.5)], type=ty)
   >>> arr3 = pa.array([(1, 2.5), (3, 4.5), (5, 6.3)], type=ty)
   >>> pc.equal(arr, arr2)
   Traceback (most recent call last):
     File "<stdin>", line 1, in <module>
     File "/home/raulcd/code/arrow/python/pyarrow/compute.py", line 247, in wrapper
       return func.call(args, None, memory_pool)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     File "pyarrow/_compute.pyx", line 393, in pyarrow._compute.Function.call
       result = GetResultValue(
     File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
       return check_status(status)
     File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
       raise convert_status(status)
   pyarrow.lib.ArrowNotImplementedError: Function 'equal' has no kernel matching input types (struct<a: int8, b: float>, struct<a: int8, b: float>)
   /home/raulcd/code/arrow/cpp/src/arrow/compute/function.cc:329  DispatchBest(&inputs)
   /home/raulcd/code/arrow/cpp/src/arrow/compute/function.cc:341  func.GetBestExecutor(inputs)
   ```


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