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https://issues.apache.org/jira/browse/ARROW-2331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16411117#comment-16411117
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ASF GitHub Bot commented on ARROW-2331:
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pitrou commented on issue #1770: ARROW-2331: [Python] Fix indexing for negative
or out-of-bounds indices
URL: https://github.com/apache/arrow/pull/1770#issuecomment-375600609
Ok, the downcasting error should be fixed now. It's a pity these warnings
don't appear on Linux (passing `-Wconversion` unfortunately enables other
warnings).
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> [Python] Fix indexing implementations
> -------------------------------------
>
> Key: ARROW-2331
> URL: https://issues.apache.org/jira/browse/ARROW-2331
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Affects Versions: 0.9.0
> Reporter: Antoine Pitrou
> Assignee: Antoine Pitrou
> Priority: Minor
> Labels: pull-request-available
>
> A number of {{\_\_getitem\_\_}} implementations handle negative or
> out-of-bounds indices improperly, for example:
> {code:python}
> >>> a = pa.array([11,12,13])
> >>> a[-6]
> 11
> >>> a[-15]
> 11
> >>> a[4]
> NA
> >>> a[3]
> NA
> >>> a[1111]
> NA
> {code}
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