Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/9218#discussion_r43694062
--- Diff: R/pkg/R/DataFrame.R ---
@@ -276,6 +276,75 @@ setMethod("names<-",
}
})
+#' @rdname columns
+#' @name colnames
+setMethod("colnames",
+ signature(x = "DataFrame"),
+ function(x) {
+ columns(x)
+ })
+
+#' @rdname columns
+#' @name colnames<-
+setMethod("colnames<-",
+ signature(x = "DataFrame", value = "character"),
+ function(x, value) {
+ sdf <- callJMethod(x@sdf, "toDF", as.list(value))
--- End diff --
I tried actually but couldn't get that to work - it ended up calling
names<- of data.frame.
Since this is one line I thought it's ok this way.
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