Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/19805#discussion_r157361491
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/DatasetSuite.scala
---
@@ -1156,67 +1156,83 @@ class DatasetSuite extends QueryTest with
SharedSQLContext {
}
Seq(true, false).foreach { eager =>
- def testCheckpointing(testName: String)(f: => Unit): Unit = {
- test(s"Dataset.checkpoint() - $testName (eager = $eager)") {
- withTempDir { dir =>
- val originalCheckpointDir = spark.sparkContext.checkpointDir
-
- try {
- spark.sparkContext.setCheckpointDir(dir.getCanonicalPath)
+ Seq(true, false).foreach { reliable =>
+ def testCheckpointing(testName: String)(f: => Unit): Unit = {
+ test(s"Dataset.checkpoint() - $testName (eager = $eager, reliable
= $reliable)") {
+ if (reliable) {
+ withTempDir { dir =>
+ val originalCheckpointDir = spark.sparkContext.checkpointDir
+
+ try {
+ spark.sparkContext.setCheckpointDir(dir.getCanonicalPath)
+ f
+ } finally {
+ // Since the original checkpointDir can be None, we need
+ // to set the variable directly.
+ spark.sparkContext.checkpointDir = originalCheckpointDir
+ }
+ }
+ }
+ else {
--- End diff --
-> `} else {`
---
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