[jira] [Commented] (ARROW-13390) [C++] Improve type support for 'coalesce' kernel

["Weston Pace (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-13390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17419507#comment-17419507 ] 

Weston Pace commented on ARROW-13390:
-------------------------------------

Will this fix also add list/struct support for "choose" and "replace_with_mask"?  They seem similar and lack the same type supports.

> [C++] Improve type support for 'coalesce' kernel
> ------------------------------------------------
>
>                 Key: ARROW-13390
>                 URL: https://issues.apache.org/jira/browse/ARROW-13390
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: David Li
>            Assignee: David Li
>            Priority: Major
>              Labels: kernel, pull-request-available, types
>             Fix For: 6.0.0
>
>          Time Spent: 2h 40m
>  Remaining Estimate: 0h
>
> * Direct support for dictionaries (unifying dictionaries or building a new dictionary as necessary)
>  * Fixed-length list
>  * Union, struct, list, other variable-width types



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