Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/11586#discussion_r55435453
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/SQLExecutionSuite.scala
---
@@ -49,6 +49,18 @@ class SQLExecutionSuite extends SparkFunSuite {
}
}
+ test("concurrent query execution with fork-join pool (SPARK-13747)") {
+ val sc = new SparkContext("local[*]", "test")
+ try {
+ // Should not throw IllegalArgumentException
+ (1 to 100).par.foreach { _ =>
+ sc.parallelize(1 to 5).map { i => (i, i) }.toDF("a", "b").count()
--- End diff --
missed sqlcontext.implicits
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