paleolimbot commented on code in PR #13397:
URL: https://github.com/apache/arrow/pull/13397#discussion_r918309352
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r/R/compute.R:
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@@ -307,3 +307,157 @@ cast_options <- function(safe = TRUE, ...) {
)
modifyList(opts, list(...))
}
+
+#' Register user-defined functions
+#'
+#' These functions support calling R code from query engine execution
+#' (i.e., a [dplyr::mutate()] or [dplyr::filter()] on a [Table] or [Dataset]).
+#' Use [arrow_scalar_function()] to define an R function that accepts and
+#' returns R objects; use [arrow_advanced_scalar_function()] to define a
+#' lower-level function that operates directly on Arrow objects.
Review Comment:
I added this to the documentation (under `scalar_function`).
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