Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22954#discussion_r231414561
--- 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))
+ stopifnot(require("withr", quietly = TRUE))
--- End diff --
It's actually dependent on Arrow's API calls .. Those APIs were only added
in few weeks ago. I will make it clean when R API of Arrow is close to release
(at 0.12.0)
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