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Posted to jira@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/05/19 19:14:00 UTC

[jira] [Updated] (ARROW-2665) [Python/C++] Add index() method to find first occurence of Python scalar

     [ https://issues.apache.org/jira/browse/ARROW-2665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated ARROW-2665:
----------------------------------
    Labels: Analytics beginner pull-request-available  (was: Analytics beginner)

> [Python/C++] Add index() method to find first occurence of Python scalar
> ------------------------------------------------------------------------
>
>                 Key: ARROW-2665
>                 URL: https://issues.apache.org/jira/browse/ARROW-2665
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++, Python
>            Reporter: Uwe Korn
>            Priority: Major
>              Labels: Analytics, beginner, pull-request-available
>             Fix For: 5.0.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Python lists have an {{index(x, start, end)}} method to find the first occurence of an element. We should add a method with the same interface supporting Python scalars on the typical triplet {{Array/ChunkedArray/Columns}}.
> See also https://docs.python.org/3.6/tutorial/datastructures.html#more-on-lists



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