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https://issues.apache.org/jira/browse/ARROW-2451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16447039#comment-16447039
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ASF GitHub Bot commented on ARROW-2451:
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robertnishihara commented on issue #1887: ARROW-2451: [Python] Handle
non-object arrays more efficiently in custom serializer.
URL: https://github.com/apache/arrow/pull/1887#issuecomment-383338390
Also fixes https://issues.apache.org/jira/browse/ARROW-2264.
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> Handle more dtypes efficiently in custom numpy array serializer.
> ----------------------------------------------------------------
>
> Key: ARROW-2451
> URL: https://issues.apache.org/jira/browse/ARROW-2451
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Robert Nishihara
> Assignee: Robert Nishihara
> Priority: Major
> Labels: pull-request-available
> Fix For: JS-0.4.0
>
>
> Right now certain dtypes like bool or fixed length strings are serialized as
> lists, which is inefficient. We can handle these more efficiently by casting
> them to uint8 and saving the original dtype as additional data.
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