Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/12493#discussion_r60677594
--- Diff: R/pkg/inst/worker/worker.R ---
@@ -84,6 +84,10 @@ broadcastElap <- elapsedSecs()
# as number of partitions to create.
numPartitions <- SparkR:::readInt(inputCon)
+# If true, working for RDD
+# If false, working for DataFrame
+isDataFrame <- as.logical(SparkR:::readInt(inputCon))
--- End diff --
generally, I agree. it is possible though an user could have an
initialization or profile file that inadvertently loads a mismatch version of
SparkR..
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