cloud-fan commented on code in PR #45036:
URL: https://github.com/apache/spark/pull/45036#discussion_r1482324222
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core/src/test/scala/org/apache/spark/util/collection/OpenHashSetSuite.scala:
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@@ -269,4 +269,35 @@ class OpenHashSetSuite extends SparkFunSuite with Matchers
{
assert(pos1 == pos2)
}
}
+
+ test("SPARK-45599: 0.0 and -0.0 are equal but not the same") {
Review Comment:
Spark's `OpenHashSet` does not have to match `java.util.HashSet`. What
matters is the SQL semantic. Can you highlight which functions/operators are
using this `OpenHashSet` and what is the impact of this change to the SQL
semantic?
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