Github user stephankessler commented on a diff in the pull request:
https://github.com/apache/spark/pull/10174#discussion_r48229813
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
---
@@ -69,6 +71,13 @@ object DefaultOptimizer extends Optimizer {
}
/**
+ * Non-abstract representation of the standard Spark optimizing strategies
+ */
+object DefaultOptimizer extends Optimizer {
+ override def batches: Seq[Batch] = super.batches
--- End diff --
I changed it and modified the comment why we inherit!
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