Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/18447#discussion_r212820641
--- Diff: R/pkg/R/generics.R ---
@@ -950,6 +949,10 @@ setGeneric("grouping_bit", function(x) {
standardGeneric("grouping_bit") })
#' @name NULL
setGeneric("grouping_id", function(x, ...) {
standardGeneric("grouping_id") })
+#' @rdname column_misc_functions
+#' @name NULL
+setGeneric("hash", function(x, ...) { standardGeneric("hash") })
--- End diff --
I would avoid unrelated changes.
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