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https://issues.apache.org/jira/browse/ARROW-14168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17447357#comment-17447357
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Dragoș Moldovan-Grünfeld commented on ARROW-14168:
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[~icook] Is the scope of this ticket aggregation functions only?
> [R] Warn only once about arrow function differences
> ---------------------------------------------------
>
> Key: ARROW-14168
> URL: https://issues.apache.org/jira/browse/ARROW-14168
> Project: Apache Arrow
> Issue Type: Improvement
> Components: R
> Reporter: Neal Richardson
> Assignee: Dragoș Moldovan-Grünfeld
> Priority: Major
> Labels: good-first-issue
> Fix For: 7.0.0
>
>
> When someone calls median or quantile, we warn them that it is approximate.
> When someone calls if_else{-}, case_when, or coalesce{-} on a dictionary
> array, we warn them that it will be converted to string type. (case_when and
> coalesce now have native support for dictionary arrays.) We probably only
> need to warn the first time. (This will also solve the issue of uncaught
> duplicate warnings in our tests, which the testthat 3e upgrade exposes.)
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