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https://issues.apache.org/jira/browse/ARROW-9309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17375829#comment-17375829
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Micah Kornfield commented on ARROW-9309:
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The feature enum lives:
https://github.com/apache/arrow/blob/master/format/Schema.fbs#L45
> Start using feature enums to value (umbrella issue)
> ---------------------------------------------------
>
> Key: ARROW-9309
> URL: https://issues.apache.org/jira/browse/ARROW-9309
> Project: Apache Arrow
> Issue Type: Improvement
> Reporter: Micah Kornfield
> Priority: Major
>
> Proposed logic:
> 1. Add flag where appropriate for supports dictionary replacement if there
> is a possibility it can be used.
> 2. Only add compressed buffers when requested.
>
> Reading should validate enums are in range AND implementation supports them.
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