Weston Pace created ARROW-13931:
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Summary: [C++] Coalesce kernel missing support for list/struct
types
Key: ARROW-13931
URL: https://issues.apache.org/jira/browse/ARROW-13931
Project: Apache Arrow
Issue Type: Bug
Components: C++
Reporter: Weston Pace
List and struct types aren't sortable and one could debate whether they should
be equatable or not but coalesce should only require nullable and all data
types should be nullable. So I would expect coalesce to work on any data type.
At the moment it does not support list/struct data types even when all
arguments are the same type.
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