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https://issues.apache.org/jira/browse/ARROW-11419?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17276060#comment-17276060
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Micah Kornfield commented on ARROW-11419:
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this is accurate, I thought I had a Jira to track implementation. I added the
enum early because we were reaching 1.0 and it would have been a forward
compatible change to add it. So there is not implementation to date.
> [C++] DICTIONARY_REPLACEMENT neither read nor written
> -----------------------------------------------------
>
> Key: ARROW-11419
> URL: https://issues.apache.org/jira/browse/ARROW-11419
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Antoine Pitrou
> Priority: Major
> Fix For: 4.0.0
>
>
> The IPC format has a feature field DICTIONARY_REPLACEMENT to advertise the
> use of dictionary replacement but it is not emitted by the IPC writer, even
> if dictionary replacement occurred.
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