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[SPARK-32318][SQL][TESTS] Add a test case to EliminateSortsSuite for ORDER BY in DISTRIBUTE BY #29118

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[SPARK-32318][SQL][TESTS] Add a test case to EliminateSortsSuite for ORDER BY in DISTRIBUTE BY #29118

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[SPARK-32318][SQL][TESTS] Add a test case to EliminateSortsSuite for …
dongjoon-hyun Jul 15, 2020
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dongjoon-hyun Jul 15, 2020
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9 changes: 9 additions & 0 deletions ...catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/EliminateSortsSuite.scala
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Expand Up @@ -284,6 +284,15 @@ class EliminateSortsSuite extends PlanTest {
comparePlans(optimized, correctAnswer)
}

test("SPARK-32318: should not remove orderBy in distribute statement") {
val projectPlan = testRelation.select('a, 'b)
val orderByPlan = projectPlan.orderBy('b.desc)
val distributedPlan = orderByPlan.distribute('a)(1)
val optimized = Optimize.execute(distributedPlan.analyze)
val correctAnswer = distributedPlan.analyze
comparePlans(optimized, correctAnswer)
}

test("should not remove orderBy in left join clause if there is an outer limit") {
val projectPlan = testRelation.select('a, 'b)
val orderByPlan = projectPlan.orderBy('a.asc, 'b.desc)
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