[jira] [Commented] (ARROW-2331) [Python] Fix indexing implementations

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-2331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16406912#comment-16406912 ] 

ASF GitHub Bot commented on ARROW-2331:
---------------------------------------

pitrou opened a new pull request #1770: ARROW-2331: [Python] Fix indexing for negative or out-of-bounds indices
URL: https://github.com/apache/arrow/pull/1770
 
 
   

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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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