Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/16290#discussion_r92531445
--- Diff: R/pkg/R/sparkR.R ---
@@ -363,6 +363,13 @@ sparkR.session <- function(
...) {
sparkConfigMap <- convertNamedListToEnv(sparkConfig)
+
+ # NOTE(shivaram): Set default warehouse dir to tmpdir to meet CRAN
requirements
+ # See SPARK-18817 for more details
+ if (!exists("spark.sql.default.warehouse.dir", envir = sparkConfigMap)) {
+ assign("spark.sql.default.warehouse.dir", tempdir(), envir =
sparkConfigMap)
--- End diff --
I think we could just `sparkConfigMap[["spark.sql.warehouse.default.dir"]]
<- tempdir()`
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