dongjoon-hyun commented on a change in pull request #29776:
URL: https://github.com/apache/spark/pull/29776#discussion_r489798488
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File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodegenExpressionCachingSuite.scala
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@@ -85,6 +85,36 @@ class CodegenExpressionCachingSuite extends SparkFunSuite {
assert(instance2.eval(null))
}
+ test("SPARK-32903: GeneratePredicate should eliminate sub-expressions") {
+ Seq(true, false).foreach { enabled =>
+ val leaf1 = ExprWithEvaluatedState()
+ val leaf2 = ExprWithEvaluatedState()
+ val leaf3 = ExprWithEvaluatedState()
+ val leaf4 = ExprWithEvaluatedState()
+
+ val expr1 = And(leaf1, leaf2)
+ val expr2 = And(leaf3, leaf4)
+ val cond = Or(expr1, expr2)
Review comment:
`expr1` and `expr2` is not reused in the other places.
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