thisisnic commented on a change in pull request #11009:
URL: https://github.com/apache/arrow/pull/11009#discussion_r699588698
##########
File path: r/R/dplyr-functions.R
##########
@@ -825,6 +824,17 @@ agg_funcs$var <- function(x, na.rm = FALSE, ddof = 1) {
options = list(ddof = ddof)
)
}
+
+agg_funcs$n_distinct <- function(x, na.rm = FALSE) {
+ list(
+ fun = "count_distinct",
+ data = x,
+ # ARROW-13764 Passing in na.rm = TRUE doesn't actually work yet as
+ # CountOptions not yet implemented for count_distinct
Review comment:
Thanks!
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