Ian Cook created ARROW-12669:
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Summary: [C++] Kernel to return Array of elements at index of list
in ListArray
Key: ARROW-12669
URL: https://issues.apache.org/jira/browse/ARROW-12669
Project: Apache Arrow
Issue Type: New Feature
Components: C++
Reporter: Ian Cook
It would be useful to have a compute function that takes a
{{ListArray<list<type>>}} and an integer index {{n}} and returns an
{{Array<type>}} containing the {{n}}th item from each list.
This would be useful in combination with existing functions that return
list-type output, for example the string splitting function.
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