Ngone51 commented on a change in pull request #31842: URL: https://github.com/apache/spark/pull/31842#discussion_r597501269
########## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/streaming/WriteToStreamStatement.scala ########## @@ -0,0 +1,61 @@ +/* + * 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.catalyst.streaming + +import org.apache.hadoop.conf.Configuration + +import org.apache.spark.sql.catalyst.expressions.Attribute +import org.apache.spark.sql.catalyst.plans.logical.LogicalPlan +import org.apache.spark.sql.connector.catalog.Table +import org.apache.spark.sql.streaming.OutputMode + +/** + * A statement for Stream writing. It contains all neccessary param and will be address in the + * rule [[ResolveStreamWrite]]. + * + * @param userSpecifiedName Query name optionally specified by the user. + * @param userSpecifiedCheckpointLocation Checkpoint location optionally specified by the user. + * @param useTempCheckpointLocation Whether to use a temporary checkpoint location when the user + * has not specified one. If false, then error will be thrown. + * @param recoverFromCheckpointLocation Whether to recover query from the checkpoint location. + * If false and the checkpoint location exists, then error + * will be thrown. + * @param sink Sink to write the streaming outputs. + * @param outputMode Output mode for the sink. + * @param hadoopConf The Hadoop Configuration to get a FileSystem instance + * @param isContinuousTrigger Whether the statement is triggered by a continous query or not. + * @param queryPlan The analyzed query plan from the streaming DataFrame. + */ +case class WriteToStreamStatement( + userSpecifiedName: Option[String], + userSpecifiedCheckpointLocation: Option[String], + useTempCheckpointLocation: Boolean, + recoverFromCheckpointLocation: Boolean, + sink: Table, + outputMode: OutputMode, + hadoopConf: Configuration, + isContinuousTrigger: Boolean, + queryPlan: LogicalPlan) extends LogicalPlan { + + override def isStreaming: Boolean = true + + override def output: Seq[Attribute] = Nil + + override def children: Seq[LogicalPlan] = Seq.empty Review comment: I'd prefer `LeafNode` if it does work too. -- 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]
