viirya commented on a change in pull request #24626: [SPARK-27747][SQL] add a
logical plan link in the physical plan
URL: https://github.com/apache/spark/pull/24626#discussion_r284952775
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/QueryPlan.scala
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@@ -271,6 +271,8 @@ abstract class QueryPlan[PlanType <: QueryPlan[PlanType]]
extends TreeNode[PlanT
}
object QueryPlan extends PredicateHelper {
+ val LOGICAL_PLAN_TAG_NAME = TreeNodeTagName("logical_plan")
Review comment:
Can we add some comment? For example, `After query plans go through SQL
planner, the planner will attach the optimized logical plan to the generated
physical plan under this tag name.`
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