Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/10073#discussion_r46360011
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
---
@@ -712,6 +711,49 @@ object PushPredicateThroughAggregate extends
Rule[LogicalPlan] with PredicateHel
}
/**
+ * Reorder the joins so that the bottom ones have at least one condition.
+ */
+object ReorderJoin extends Rule[LogicalPlan] with PredicateHelper {
+
+ /**
--- End diff --
Updated
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