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https://issues.apache.org/jira/browse/ARROW-9593?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krisztian Szucs updated ARROW-9593:
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Summary: [Python] Add custom pickle reducers for DictionaryScalar (was:
[Python] Add custom pickle reducers for Dictionary and UnionScalar classes)
> [Python] Add custom pickle reducers for DictionaryScalar
> --------------------------------------------------------
>
> Key: ARROW-9593
> URL: https://issues.apache.org/jira/browse/ARROW-9593
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Krisztian Szucs
> Priority: Major
> Fix For: 2.0.0
>
>
> Since there are no sequence converters available for Dictionary and Union
> types we cannot construct them directly thus pa.scalar fail as the reducer
> function to reconstruct them.
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