Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/21822#discussion_r204163424
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala
---
@@ -23,8 +23,24 @@ import org.apache.spark.sql.catalyst.analysis._
import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.catalyst.plans.QueryPlan
import
org.apache.spark.sql.catalyst.plans.logical.statsEstimation.LogicalPlanStats
-import org.apache.spark.sql.catalyst.trees.CurrentOrigin
+import org.apache.spark.sql.catalyst.trees.{CurrentOrigin, TreeNode}
import org.apache.spark.sql.types.StructType
+import org.apache.spark.util.Utils
+
+
+object LogicalPlan {
+
+ private val resolveOperatorDepth = new ThreadLocal[Int] {
--- End diff --
todo: explain what this is
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
