[jira] [Created] (ARROW-13499) [R] Aggregation on expression doesn't NSE correctly

["Neal Richardson (Jira)" <ji...@apache.org>]

Neal Richardson created ARROW-13499:
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             Summary: [R] Aggregation on expression doesn't NSE correctly
                 Key: ARROW-13499
                 URL: https://issues.apache.org/jira/browse/ARROW-13499
             Project: Apache Arrow
          Issue Type: Bug
          Components: R
            Reporter: Neal Richardson
             Fix For: 6.0.0


{code}
  expect_dplyr_equal(
    input %>%
      mutate(has_words = nchar(verses) < 0) %>%
      group_by(some_grouping) %>%
      summarize(all(has_words)) %>%
      arrange(some_grouping) %>%
      collect(),
    tbl
  )
{code}

works, but if you define the expression inline, it doesn't:

{code}
  expect_dplyr_equal(
    input %>%
      group_by(some_grouping) %>%
      summarize(has_words = all(nchar(verses) < 0)) %>%
      arrange(some_grouping) %>%
      collect(),
    tbl
  )
{code}

The error you get I think means that {{base::nchar}} is being called. I'm not sure if this is a general issue with our nse_funcs calling other nse_funcs, or if this is about the way the aggregation function environment is constructed separately, but it's not good.



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