viirya commented on a change in pull request #29170:
URL: https://github.com/apache/spark/pull/29170#discussion_r520049005
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -116,7 +116,8 @@ abstract class Optimizer(catalogManager: CatalogManager)
operatorOptimizationRuleSet.filterNot(_ == InferFiltersFromConstraints)
Batch("Operator Optimization before Inferring Filters", fixedPoint,
rulesWithoutInferFiltersFromConstraints: _*) ::
- Batch("Infer Filters", Once,
+ Batch("Infer Filters", fixedPoint,
+ PushDownPredicates,
Review comment:
Not look at `InferFiltersFromConstraints`, but I tend to agree with
@maropu's initial comment. Can we possibly make `InferFiltersFromConstraints`
deal with this kind of case?
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