Github user shivaram commented on a diff in the pull request:
https://github.com/apache/spark/pull/13635#discussion_r67263062
--- Diff: R/pkg/R/sparkR.R ---
@@ -270,27 +291,97 @@ sparkRSQL.init <- function(jsc = NULL) {
#'}
sparkRHive.init <- function(jsc = NULL) {
- if (exists(".sparkRHivesc", envir = .sparkREnv)) {
- return(get(".sparkRHivesc", envir = .sparkREnv))
+ .Deprecated("sparkR.session.getOrCreate")
+
+ if (exists(".sparkRsession", envir = .sparkREnv)) {
+ return(get(".sparkRsession", envir = .sparkREnv))
}
- # If jsc is NULL, create a Spark Context
- sc <- if (is.null(jsc)) {
- sparkR.init()
- } else {
- jsc
+ # Default to without Hive support for backward compatibility.
+ sparkR.session.getOrCreate(enableHiveSupport = TRUE)
+}
+
+#' Get the existing SparkSession or initialize a new SparkSession.
+#'
+#' Additional Spark properties can be set (...), and these named
parameters take priority over
+#' over values in master, appName, named lists of sparkConfig.
+#'
+#' @param master The Spark master URL
+#' @param appName Application name to register with cluster manager
+#' @param sparkHome Spark Home directory
+#' @param sparkConfig Named list of Spark configuration to set on worker
nodes
+#' @param sparkExecutorConfig Named list of Spark configuration to be used
when launching executors
--- End diff --
I think these are environment variables rather than Spark config entries ?
(At least thats what it looks like based on the example below). Would be good
to clarify the difference between this and `sparkConfig`
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