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Posted to jira@arrow.apache.org by "Jonathan Keane (Jira)" <ji...@apache.org> on 2021/11/09 14:21:00 UTC
[jira] [Resolved] (ARROW-14051) [R] Handle conditionals enclosing
aggregate expressions
[ https://issues.apache.org/jira/browse/ARROW-14051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Keane resolved ARROW-14051.
------------------------------------
Fix Version/s: 7.0.0
Resolution: Fixed
Issue resolved by pull request 11612
[https://github.com/apache/arrow/pull/11612]
> [R] Handle conditionals enclosing aggregate expressions
> -------------------------------------------------------
>
> Key: ARROW-14051
> URL: https://issues.apache.org/jira/browse/ARROW-14051
> Project: Apache Arrow
> Issue Type: Improvement
> Components: R
> Reporter: Ian Cook
> Assignee: Dewey Dunnington
> Priority: Major
> Labels: pull-request-available, query-engine
> Fix For: 7.0.0
>
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> This type of {{summarise()}} expression does not work in arrow:
> {code:r}
> Table$create(x = c(0, 1, 1), y = c(2, 3, 5), z = c(8, 13, 21)) %>%
> group_by(x) %>%
> summarise(r = ifelse(n() > 1, mean(y), mean(z))){code}
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