francis0407 commented on a change in pull request #24344: [SPARK-27440][SQL]
Optimize uncorrelated predicate subquery
URL: https://github.com/apache/spark/pull/24344#discussion_r274357617
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File path: sql/core/src/test/scala/org/apache/spark/sql/SubquerySuite.scala
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@@ -1371,4 +1371,38 @@ class SubquerySuite extends QueryTest with
SharedSQLContext {
}
}
}
+
+ test("SPARK-27440: Rewrite Uncorrelated Subquery") {
Review comment:
We may need more tests here, but I'm not sure what case to test.
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