[jira] [Resolved] (ARROW-14679) [R] [C++] Handle suffix argument in joins

["Jonathan Keane (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-14679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Keane resolved ARROW-14679.
------------------------------------
    Resolution: Fixed

Issue resolved by pull request 12113
[https://github.com/apache/arrow/pull/12113]

> [R] [C++] Handle suffix argument in joins
> -----------------------------------------
>
>                 Key: ARROW-14679
>                 URL: https://issues.apache.org/jira/browse/ARROW-14679
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++, R
>            Reporter: Jonathan Keane
>            Assignee: Vibhatha Lakmal Abeykoon
>            Priority: Major
>              Labels: pull-request-available, query-engine
>             Fix For: 8.0.0
>
>          Time Spent: 4h 10m
>  Remaining Estimate: 0h
>
> If there is a name collision, we need to do something https://github.com/apache/arrow/blob/a3746040d8a3ddb84bab6c7ca4771b6c120e3444/r/R/dplyr-join.R#L31
> A few notes:
> * arrow doesn't seem to actually be able to apply the prefixes (I'm getting errors when trying), I couldn't tell if there were tests of this — I couldn't find any, so I'm not sure if I'm calling this wrong or if it's not working at all.
> * arrow always appends the affixes (where as dplyr only adds them if there is a name collision)
> * arrow only supports prefixes (can we configure this, or ask the clients to provide new names?) in the tests I wrote I've worked around this, but it would be nice to be able to match dplyr/allow things other than prefix



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