Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/19001#discussion_r183950505
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/commands.scala
---
@@ -43,7 +44,13 @@ trait RunnableCommand extends Command {
// `ExecutedCommand` during query planning.
lazy val metrics: Map[String, SQLMetric] = Map.empty
- def run(sparkSession: SparkSession): Seq[Row]
+ def run(sparkSession: SparkSession, children: Seq[SparkPlan]): Seq[Row]
= {
--- End diff --
`ExecutedCommandExec` doesn't call it.
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