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https://issues.apache.org/jira/browse/ARROW-9054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17148240#comment-17148240
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Wes McKinney commented on ARROW-9054:
-------------------------------------
This also needs to have a "minimum # valid values" option to deal with the
differing requirements in how functions like "sum" work on 0-length or all-null
inputs, see discussion in
https://github.com/apache/arrow/pull/7478#pullrequestreview-439605902
> [C++] Add ScalarAggregateOptions
> --------------------------------
>
> Key: ARROW-9054
> URL: https://issues.apache.org/jira/browse/ARROW-9054
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Neal Richardson
> Assignee: Wes McKinney
> Priority: Major
> Fix For: 1.0.0
>
>
> See discussion on https://github.com/apache/arrow/pull/7308. MinMax has an
> option for null behavior, but Sum and Mean do not.
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