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https://issues.apache.org/jira/browse/ARROW-1689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16223121#comment-16223121
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ASF GitHub Bot commented on ARROW-1689:
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Licht-T commented on issue #1237: ARROW-1689: [Python] Implement zero-copy
conversions for DictionaryArray
URL: https://github.com/apache/arrow/pull/1237#issuecomment-340129218
@wesm Wow! Thanks for your good idea! I didn't get such idea!
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> [Python] Categorical Indices Should Be Zero-Copy
> ------------------------------------------------
>
> Key: ARROW-1689
> URL: https://issues.apache.org/jira/browse/ARROW-1689
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Affects Versions: 0.7.1
> Reporter: Nick White
> Assignee: Nick White
> Labels: pull-request-available
> Fix For: 0.8.0
>
>
> It seems like
> [WriteIndices|https://github.com/apache/arrow/blob/0c8b861f93884f2868eb631d8fceee3a8b8905ec/cpp/src/arrow/python/arrow_to_pandas.cc#L955-L981]
> could reuse some of the logic in
> [ConvertValuesZeroCopy|https://github.com/apache/arrow/blob/0c8b861f93884f2868eb631d8fceee3a8b8905ec/cpp/src/arrow/python/arrow_to_pandas.cc#L1348-L1385]
> to avoid copying the integer indices array?
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