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  1. Apache Arrow
  2. ARROW-13035

[C++] Create a compute function returning indices of non-zero values

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    Description

      This would be similar to Numpy's nonzero function:
      https://numpy.org/doc/stable/reference/generated/numpy.nonzero.html

      >>> arr = np.array([4,5,0,6,0,5])
>>> np.nonzero(arr)
(array([0, 1, 3, 5]),)

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          is required by

          Improvement - An improvement or enhancement to an existing feature or task. ARROW-15218 [C++] Add Decimal support to indices_nonzero compute function

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
          links to

          Web Link GitHub Pull Request #11886

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              amol- Alessandro Molina
              apitrou Antoine Pitrou
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