Github user adrian555 commented on a diff in the pull request:
https://github.com/apache/spark/pull/22455#discussion_r219351194
--- Diff: R/pkg/R/DataFrame.R ---
@@ -244,11 +245,15 @@ setMethod("showDF",
#' @note show(SparkDataFrame) since 1.4.0
setMethod("show", "SparkDataFrame",
function(object) {
- cols <- lapply(dtypes(object), function(l) {
- paste(l, collapse = ":")
- })
- s <- paste(cols, collapse = ", ")
- cat(paste(class(object), "[", s, "]\n", sep = ""))
+ if (identical(sparkR.conf("spark.sql.repl.eagerEval.enabled",
"false")[[1]], "true")) {
--- End diff --
I think the `param` is not correct... the signature of `show()` has
`SparkDataFrame` so in this one it won't work for `Column`. In column.R file,
it has its own `show()` implementation.
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