maropu commented on a change in pull request #23750: [SPARK-19712][SQL] Pushing
Left Semi and Left Anti joins through Project, Aggregate, Window, Union etc.
URL: https://github.com/apache/spark/pull/23750#discussion_r256816923
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -1188,6 +1189,190 @@ object PushDownPredicate extends Rule[LogicalPlan]
with PredicateHelper {
}
}
+object PushDownLeftSemiAntiJoin extends Rule[LogicalPlan] with PredicateHelper
{
Review comment:
Since this rule is so big, how about moving this into a separate file?
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