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https://issues.apache.org/jira/browse/ARROW-5052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated ARROW-5052:
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Labels: pull-request-available (was: )
> [C++] Add an incomplete dictionary type
> ---------------------------------------
>
> Key: ARROW-5052
> URL: https://issues.apache.org/jira/browse/ARROW-5052
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 0.12.1
> Reporter: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.14.0
>
>
> This would allow to pass a {{DataType}} that means "dict-encoded data with
> the given index types and value types, but the actual values are not yet
> known" (they might be inferred by processing non-dict-encoded data, or they
> might be transferred explicitly - but later - in the data stream).
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