cloud-fan commented on a change in pull request #32513: URL: https://github.com/apache/spark/pull/32513#discussion_r635921117
########## File path: sql/core/src/main/scala/org/apache/spark/sql/execution/CommandResultExec.scala ########## @@ -0,0 +1,93 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.spark.sql.execution + +import org.apache.spark.rdd.RDD +import org.apache.spark.sql.catalyst.InternalRow +import org.apache.spark.sql.catalyst.expressions.{Attribute, UnsafeProjection} +import org.apache.spark.sql.catalyst.plans.QueryPlan +import org.apache.spark.sql.execution.metric.SQLMetrics + +/** + * Physical plan node for collecting data from a command. + * + * `rows` may not be serializable and ideally we should not send `rows` and `unsafeRows` + * to the executors. Thus marking them as transient. + */ +case class CommandResultExec( + output: Seq[Attribute], + executedPlan: SparkPlan, + @transient rows: Seq[InternalRow]) extends LeafExecNode { + + override lazy val metrics = Map( + "numOutputRows" -> SQLMetrics.createMetric(sparkContext, "number of output rows")) + + override def innerChildren: Seq[QueryPlan[_]] = Seq(executedPlan) + + @transient private lazy val unsafeRows: Array[InternalRow] = { Review comment: do we need this? I think `qe.executedPlan.executeCollect()` always create unsafe rows. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
