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[SPARK-22252][SQL][followup] Command should not be a LeafNode #19493

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[SPARK-22252][SQL][followup] Command should not be a LeafNode #19493

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3 changes: 2 additions & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/Command.scala
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Expand Up @@ -24,6 +24,7 @@ import org.apache.spark.sql.catalyst.expressions.Attribute
* commands can be used by parsers to represent DDL operations. Commands, unlike queries, are
* eagerly executed.
*/
trait Command extends LeafNode {
trait Command extends LogicalPlan {
override def output: Seq[Attribute] = Seq.empty
override def children: Seq[LogicalPlan] = Seq.empty
}