Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/22954#discussion_r231402297
--- Diff: R/pkg/R/SQLContext.R ---
@@ -172,15 +196,17 @@ getDefaultSqlSource <- function() {
createDataFrame <- function(data, schema = NULL, samplingRatio = 1.0,
numPartitions = NULL) {
sparkSession <- getSparkSession()
-
+ conf <- callJMethod(sparkSession, "conf")
+ arrowEnabled <- tolower(callJMethod(conf, "get",
"spark.sql.execution.arrow.enabled")) == "true"
--- End diff --
I think you can use sparkR.conf
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