dongjoon-hyun commented on a change in pull request #28043: [SPARK-31280][SQL]
Perform propagating empty relation after RewritePredicateSubquery
URL: https://github.com/apache/spark/pull/28043#discussion_r399448588
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File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/RewriteSubquerySuite.scala
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@@ -52,4 +52,13 @@ class RewriteSubquerySuite extends PlanTest {
comparePlans(optimized, correctAnswer)
}
+ test("Perform propagating empty relation after RewritePredicateSubquery") {
Review comment:
Got it. I thought the second case, `a PR adds a couple of tests to an
existing test class`, but it seems that you disagree.
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