[jira] [Commented] (ARROW-15829) [C++] Support `SetNull` in NumericalBuilder

["Apache Arrow JIRA Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-15829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17612397#comment-17612397 ] 

Apache Arrow JIRA Bot commented on ARROW-15829:
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This issue was last updated over 90 days ago, which may be an indication it is no longer being actively worked. To better reflect the current state, the issue is being unassigned per [project policy|https://arrow.apache.org/docs/dev/developers/bug_reports.html#issue-assignment]. Please feel free to re-take assignment of the issue if it is being actively worked, or if you plan to start that work soon.

> [C++] Support `SetNull` in NumericalBuilder
> -------------------------------------------
>
>                 Key: ARROW-15829
>                 URL: https://issues.apache.org/jira/browse/ARROW-15829
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Zeyuan Shang
>            Assignee: Zeyuan Shang
>            Priority: Major
>              Labels: beginner, good-first-issue, pull-request-available
>   Original Estimate: 4h
>          Time Spent: 2.5h
>  Remaining Estimate: 1.5h
>
> In `NumericalBuilder`, we are able to set/update a value but unable to set value as null. It seems straightforward to add such functionality. I could help with that.



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