Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/22954#discussion_r231402235
--- Diff: R/pkg/R/SQLContext.R ---
@@ -147,6 +147,30 @@ getDefaultSqlSource <- function() {
l[["spark.sql.sources.default"]]
}
+writeToTempFileInArrow <- function(rdf, numPartitions) {
+ stopifnot(require("arrow", quietly = TRUE))
--- End diff --
btw, is it worthwhile to check the arrow package version?
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