kazuyukitanimura commented on a change in pull request #33930:
URL: https://github.com/apache/spark/pull/33930#discussion_r707843248
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/BooleanSimplificationSuite.scala
##########
@@ -330,4 +330,118 @@ class BooleanSimplificationSuite extends PlanTest with
ExpressionEvalHelper with
checkEvaluation(originalExpr, optimizedVal, inputRow)
}
}
+
+ test("SPARK-36665: Add more Not operator simplifications") {
+ // Using IsNull(e(inputs)) == IsNull(input1) or IsNull(input2) ... rules
+ checkCondition(IsNull(Not('e)), IsNull('e))
+ checkCondition(IsNotNull(Not('e)), IsNotNull('e))
+
Review comment:
Ah, the comment is obsolete. Based on earlier reviews, we are now
restricting that rules for UnaryExpression that does not create `Or`. I will
update it. Thanks
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