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https://issues.apache.org/jira/browse/ARROW-1573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17658606#comment-17658606
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Rok Mihevc commented on ARROW-1573:
-----------------------------------
This issue has been migrated to [issue
#17586|https://github.com/apache/arrow/issues/17586] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [C++] Implement stateful kernel function that uses DictionaryBuilder to
> compute dictionary indices
> --------------------------------------------------------------------------------------------------
>
> Key: ARROW-1573
> URL: https://issues.apache.org/jira/browse/ARROW-1573
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Priority: Major
> Labels: Analytics
> Fix For: 0.8.0
>
>
> An operator utilizing this kernel may need some way to indicate to
> multithreaded schedulers that it cannot be parallelized on chunked arrays
> (unless we implement a concurrent hash table)
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