Github user marmbrus commented on a diff in the pull request: https://github.com/apache/spark/pull/10174#discussion_r46997515 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/rules/RuleExecutor.scala --- @@ -56,12 +55,16 @@ abstract class RuleExecutor[TreeType <: TreeNode[_]] extends Logging { case class FixedPoint(maxIterations: Int) extends Strategy /** A batch of rules. */ - protected case class Batch(name: String, strategy: Strategy, rules: Rule[TreeType]*) + case class Batch[TreeType <: TreeNode[_]] --- End diff -- I'd probably just make these top level classes if we are going to pull them out. There is not a lot of stuff in the `rules` package.
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