R-JunmingChen commented on code in PR #35356:
URL: https://github.com/apache/arrow/pull/35356#discussion_r1262007282
##########
python/pyarrow/array.pxi:
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@@ -2542,8 +2542,14 @@ cdef class DictionaryArray(Array):
def dictionary_decode(self):
"""
Decodes the DictionaryArray to an Array.
+
+ See :func:`pyarrow.compute.dictionary_decode` for usage.
+
+ Returns
+ -------
+ dictionary_decode : Array
"""
- return self.dictionary.take(self.indices)
+ return _pc().dictionary_decode(self)
Review Comment:
The old approach works well. I am not sure the entire risk of subtle
differences. One difference is that we output the original input if the input
is not dictionary_array. I think it's good to unify the dictionay_decode logic
in Python. But your consideration make senses, the change has a risk affecting
users who used the old dictionary_decode.
I roll back to old code currently, but I think we need a further
consideration on this.
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