cloud-fan commented on code in PR #40142:
URL: https://github.com/apache/spark/pull/40142#discussion_r1134795703
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala:
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@@ -130,6 +130,7 @@ abstract class Optimizer(catalogManager: CatalogManager)
val operatorOptimizationBatch: Seq[Batch] = {
Batch("Operator Optimization before Inferring Filters", fixedPoint,
operatorOptimizationRuleSet: _*) ::
+ Batch("Infer window group limit", Once, InferWindowGroupLimit) ::
Review Comment:
I think this is an unrelated change and is actually a regression. We may
infer filters and it's better to run window limit optimization as late as
possible. @beliefer can we revert this change about moving the rule?
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