Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/16247#discussion_r91845399
--- Diff: R/pkg/R/sparkR.R ---
@@ -362,6 +362,10 @@ sparkR.session <- function(
enableHiveSupport = TRUE,
...) {
+ if (length(sparkConfig[["spark.sql.warehouse.dir"]]) == 0) {
+ sparkConfig[["spark.sql.warehouse.dir"]] <- tempdir()
--- End diff --
Plus this property `spark.sql.warehouse.dir` could also be set in
spark-defaults.conf which isn't known by this method at this point. By setting
it here it would override any other possible values from spark config or hive
site.
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