Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/16193#discussion_r91244968 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/python/ExtractPythonUDFs.scala --- @@ -166,3 +174,40 @@ object ExtractPythonUDFs extends Rule[SparkPlan] { } } } + +// This rule is to push deterministic predicates through BatchEvalPythonExec +object PushPredicateThroughBatchEvalPython extends Rule[SparkPlan] with PredicateHelper { --- End diff -- Most of codes are from the optimizer rule `PushDownPredicate`. Not sure whether we should combine them. You know, this rule is for `SparkPlan`.
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