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https://issues.apache.org/jira/browse/ARROW-2314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16400814#comment-16400814
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ASF GitHub Bot commented on ARROW-2314:
---------------------------------------
pitrou opened a new pull request #1757: [WIP] ARROW-2314: [C++/Python] Fix
union array slicing
URL: https://github.com/apache/arrow/pull/1757
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> [Python] Union array slicing is defective
> -----------------------------------------
>
> Key: ARROW-2314
> URL: https://issues.apache.org/jira/browse/ARROW-2314
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, Python
> Affects Versions: 0.8.0
> Reporter: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
>
> {code:python}
> >>> a = pa.UnionArray.from_sparse(pa.array([0,1,1], type=pa.int8()),
> >>> [pa.array(["a", "b", "c"]), pa.array([2,3,4])])
> >>> a
> <pyarrow.lib.UnionArray object at 0x7fe9381304a8>
> [
> 'a',
> 3,
> 4
> ]
> >>> a[1:]
> <pyarrow.lib.UnionArray object at 0x7fe939409598>
> [
> 2,
> 3
> ]
> {code}
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