GH-45167: [C++] Implement Compute Equals for List Types #45272
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WillAyd
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Jan 15, 2025
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Jan 21, 2025
| explicit ArrayIterator(const ArraySpan& arr) : arr(arr), position(0) {} | ||
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| T operator()() { | ||
| const auto array_ptr = arr.ToArray(); |
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The alternative to calling ToArray with the cast would be to implement something like value_slice on the ArraySpan directly, although I'm not sure if the ArraySpan is supposed to return anything but pointers to primitives (as is currently implemeted)
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Rationale for this change
While equality exists for ListScalars, it is not available through the compute module. This makes that now possible.
What changes are included in this PR?
I have added equals and not_equals support to the compute module for list types
Are these changes tested?
Yes - see added changes
Are there any user-facing changes?
Yes - the new feature to allow list comparison through the compute module