cloud-fan commented on a change in pull request #23976: [SPARK-27057][SQL]
Common trait for limit exec operators
URL: https://github.com/apache/spark/pull/23976#discussion_r262983167
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File path: sql/core/src/main/scala/org/apache/spark/sql/execution/limit.scala
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@@ -70,7 +78,7 @@ object BaseLimitExec {
* Helper trait which defines methods that are shared by both
* [[LocalLimitExec]] and [[GlobalLimitExec]].
*/
-trait BaseLimitExec extends UnaryExecNode with CodegenSupport {
+trait BaseLimitExec extends LimitExec with CodegenSupport {
val limit: Int
Review comment:
we can just remove it?
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