jonkeane commented on a change in pull request #11612:
URL: https://github.com/apache/arrow/pull/11612#discussion_r745147033
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File path: r/R/dplyr-summarize.R
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@@ -218,8 +218,16 @@ summarize_eval <- function(name, quosure, ctx, hash,
recurse = FALSE) {
} else if (all(inner_agg_exprs)) {
# Something like: fun(agg(x), agg(y))
# So based on the aggregations that have been extracted, mutate after
+ agg_field_refs <- make_field_refs(names(ctx$aggregations))
+ agg_field_types <- lapply(ctx$aggregations, function(x) x$data$type())
Review comment:
Ah, ok that's helpful. I was a bit hopeful that it was one of our R6
objects that might already have (or we could easily extend to have) a `$type()`
method, but it looks like not.
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