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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/07/21 06:20:53 UTC

[GitHub] [spark] maropu commented on a change in pull request #29170: [SPARK-30876][SQL]: Optimizer fails to infer constraints within join

maropu commented on a change in pull request #29170:
URL: https://github.com/apache/spark/pull/29170#discussion_r457862395



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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,
         InferFiltersFromConstraints) ::

Review comment:
       Note: This rule was separated because https://github.com/apache/spark/pull/19149




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