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https://issues.apache.org/jira/browse/ARROW-13931?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Li closed ARROW-13931.
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Assignee: David Li
Resolution: Duplicate
> [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
> Assignee: David Li
> Priority: Major
> Labels: kernel, query-engine
>
> 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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