[ARROW-14051] [R] Handle conditionals enclosing aggregate expressions

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: R
• Labels: pull-request-available query-engine
• External issue URL: https://github.com/apache/arrow/issues/29648
• Assignee: Dewey Dunnington
• Reporter: Ian Cook
• Created: 21/Sep/21 04:12
• Updated: 11/Jan/23 08:37
• Resolved: 09/Nov/21 14:20

Description

This type of summarise() expression does not work in arrow:

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)))

Issue Links

• links to: GitHub Pull Request #11612