Github user wzhfy commented on a diff in the pull request:
https://github.com/apache/spark/pull/18309#discussion_r122497283
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/test/SQLTestUtils.scala ---
@@ -126,6 +126,35 @@ private[sql] trait SQLTestUtils
}
/**
+ * Generates the requested number of temporary paths without creating the
+ * actual files/directories and passes these to the provided function
'f'.
+ * Deletes any files/directories left at these paths after 'f' returns.
--- End diff --
Creates the requested number of temporary directories, which are then
passed to `f` and will be deleted after `f` returns.
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