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Posted to jira@arrow.apache.org by "Ian Cook (Jira)" <ji...@apache.org> on 2021/09/29 13:25:00 UTC
[jira] [Commented] (ARROW-14168) [R] Warn only once about arrow
function differences
[ https://issues.apache.org/jira/browse/ARROW-14168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17422111#comment-17422111 ]
Ian Cook commented on ARROW-14168:
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FYI, for {{median()}} and {{quantile()}} we already warn only once *if* the user is running an interactive session: [https://github.com/apache/arrow/blob/0247ab28567753fbffa301b76b63b4d05cefce03/r/R/dplyr-functions.R#L904-L908]
> [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
> Priority: Major
> Fix For: 6.0.0
>
>
> 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. 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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