Github user ueshin commented on a diff in the pull request:
https://github.com/apache/spark/pull/13147#discussion_r90375148
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/planning/QueryPlanner.scala
---
@@ -27,6 +27,14 @@ import org.apache.spark.sql.catalyst.trees.TreeNode
* empty list should be returned.
*/
abstract class GenericStrategy[PhysicalPlan <: TreeNode[PhysicalPlan]]
extends Logging {
+
+ /**
+ * Returns a placeholder for a physical plan that executes `plan`. This
placeholder will be
+ * filled in automatically by the QueryPlanner using the other execution
strategies that are
+ * available.
+ */
+ protected def planLater(plan: LogicalPlan): PhysicalPlan
+
def apply(plan: LogicalPlan): Seq[PhysicalPlan]
}
--- End diff --
I see, should I send a pr to remove it or can I include it to #15927?
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