Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/21772#discussion_r204618320
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/joins/HashedRelationSuite.scala
---
@@ -278,6 +278,39 @@ class HashedRelationSuite extends SparkFunSuite with
SharedSQLContext {
map.free()
}
+ test("SPARK-24809: Serializing LongHashedRelation in executor may result
in data error") {
+ val unsafeProj = UnsafeProjection.create(Array[DataType](LongType))
+ val originalMap = new LongToUnsafeRowMap(mm, 1)
+
+ val key1 = 1L
+ val value1 = new Random().nextLong()
+
+ val key2 = 2L
+ val value2 = new Random().nextLong()
--- End diff --
Is it necessary to use `Random` here? Can we use two arbitrary long values?
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