Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/22518#discussion_r232906743
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SubquerySuite.scala
---
@@ -1268,4 +1269,16 @@ class SubquerySuite extends QueryTest with
SharedSQLContext {
assert(getNumSortsInQuery(query5) == 1)
}
}
+
+ test("SPARK-25482: Reuse same Subquery in order to execute it only
once") {
--- End diff --
let's update the test
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