boshek commented on code in PR #12818:
URL: https://github.com/apache/arrow/pull/12818#discussion_r844466749
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r/R/dplyr-mutate.R:
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@@ -112,7 +113,15 @@ mutate.Dataset <- mutate.ArrowTabular <-
mutate.RecordBatchReader <- mutate.arro
transmute.arrow_dplyr_query <- function(.data, ...) {
dots <- check_transmute_args(...)
- dplyr::mutate(.data, !!!dots, .keep = "none")
+ has_null <- vapply(dots, quo_is_null, logical(1))
Review Comment:
good to know. i wondered about this
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