felipecrv commented on code in PR #34570:
URL: https://github.com/apache/arrow/pull/34570#discussion_r1139218941
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python/pyarrow/array.pxi:
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@@ -2851,6 +2851,103 @@ cdef class StructArray(Array):
return self.take(indices)
+cdef class RunEndEncodedArray(Array):
+ """
+ Concrete class for Arrow run-end encoded arrays.
+ """
+
+ @staticmethod
+ def from_arrays(logical_length, run_ends, values, type=None):
+ """
+ Construct RunEndEncodedArray from run_ends and values arrays.
+
+ Parameters
+ ----------
+ logical_length : int
+ The logical length of the run-end encoded array.
Review Comment:
The explicit length is used to validate the `run_ends` array. I can't simply
take `run_ends[-1]` without also checking the physical length of `values`.
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