Github user sun-rui commented on a diff in the pull request:
https://github.com/apache/spark/pull/11220#discussion_r53115143
--- Diff: R/pkg/R/DataFrame.R ---
@@ -303,8 +303,28 @@ setMethod("colnames",
#' @rdname columns
#' @name colnames<-
setMethod("colnames<-",
- signature(x = "DataFrame", value = "character"),
--- End diff --
I would prefer keeping the current signature instead of checking the class
of the parameter inside the method.
@felixcheung, what's your opinion?
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