ahshahid commented on code in PR #38714:
URL: https://github.com/apache/spark/pull/38714#discussion_r1043850142
##########
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/ResolveSubquerySuite.scala:
##########
@@ -270,4 +277,66 @@ class ResolveSubquerySuite extends AnalysisTest {
), Seq(a, b)).as("sub") :: Nil, t1)
)
}
+
+ test("SPARK-41141 aggregates of outer query referenced in subquery should
not create" +
+ " new aggregates if possible") {
+ withSQLConf(SQLConf.OPTIMIZER_EXCLUDED_RULES.key ->
s"${PropagateEmptyRelation.ruleName}") {
+ val a = 'a.int
+ val b = 'b.int
+ val c = 'c.int
+ val d = 'd.int
+
+ val t1 = LocalRelation(a, b)
+ val t2 = LocalRelation(c, d)
+ val optimizer = new SimpleTestOptimizer()
+
+ val plansToTest = Seq(
+ t1.select($"a", $"b").
+ having($"b")(Cos(sum($"a")))(Exists(t2.select($"c").
+ where($"d" === Cos(sum($"a"))))) -> 1,
+
+ t1.select($"a", $"b").
+ having($"b")(sum($"a"))(Exists(t2.select($"c").
+ where($"d" === Cos(sum($"a"))))) -> 1,
+ t1.select($"a", $"b").
+ having($"b")(Cos(sum($"a")))(Exists(t2.select($"c").
+ where($"d" === sum($"a")))) -> 2,
+ t1.select($"a", $"b").
+ having($"b")(sum($"a"), Cos(sum($"b")))(Exists(t2.select($"c").
+ where($"d" === Cos(sum($"a")) + sum($"a") + sum($"b") +
Cos(sum($"b"))))) -> 3
+ )
+
+ plansToTest.foreach {
+ case (logicalPlan: LogicalPlan, numAggFunctions) =>
+ assertAnalysis(logicalPlan, numAggFunctions)
+ }
+
+ def assertAnalysis(logicalPlan: LogicalPlan, expectedAggregateFunctions:
Int): Unit = {
+ val analyzedQuery = logicalPlan.analyze
+ Assert.assertTrue(analyzedQuery.analyzed)
+ val optimizedQuery = optimizer.execute(analyzedQuery)
Review Comment:
@peter-toth .. updated the test & implemented the feedback for handling
cases like (1 + sum(x) ) being used in inner query. pls check..
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