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https://issues.apache.org/jira/browse/ARROW-8413?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney resolved ARROW-8413.
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Fix Version/s: 1.0.0
Resolution: Fixed
Issue resolved by pull request 6985
[https://github.com/apache/arrow/pull/6985]
> [C++] Refactor DefLevelsToBitmap
> --------------------------------
>
> Key: ARROW-8413
> URL: https://issues.apache.org/jira/browse/ARROW-8413
> Project: Apache Arrow
> Issue Type: Sub-task
> Components: C++
> Reporter: Micah Kornfield
> Assignee: Micah Kornfield
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.0.0
>
> Time Spent: 14h
> Remaining Estimate: 0h
>
> The current code is should be split apart and made more efficient to
> consolidate logic need to support all nesting combinations.
>
> We need to be able to pass in an arbitrary min definitions level to prune
> away elements that aren't included in lists.
> The functionality is also somewhat replicated in reading the struct code,
> the two paths should be consolidated.
>
>
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