danny0405 commented on code in PR #12262: URL: https://github.com/apache/hudi/pull/12262#discussion_r1849403117
########## hudi-spark-datasource/hudi-spark/src/main/scala/org/apache/spark/sql/hudi/command/procedures/TruncateTableProcedure.scala: ########## @@ -0,0 +1,108 @@ +/* + * 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.hudi.command.procedures + +import org.apache.hudi.HoodieCLIUtils +import org.apache.hudi.client.common.HoodieSparkEngineContext +import org.apache.hudi.common.fs.FSUtils +import org.apache.hudi.common.table.{HoodieTableConfig, HoodieTableMetaClient} +import org.apache.hudi.hadoop.fs.HadoopFSUtils +import org.apache.hudi.storage.{HoodieStorageUtils, StoragePath} +import org.apache.spark.internal.Logging +import org.apache.spark.sql.Row +import org.apache.spark.sql.types.{DataTypes, Metadata, StructField, StructType} + +import java.util.Properties +import java.util.function.Supplier +import scala.collection.JavaConverters._ + +class TruncateTableProcedure extends BaseProcedure + with ProcedureBuilder + with Logging { + override def build: Procedure = new TruncateTableProcedure + + override def parameters: Array[ProcedureParameter] = Array[ProcedureParameter] ( + ProcedureParameter.required(0, "table", DataTypes.StringType) + ) + + override def outputType: StructType = StructType(Array[StructField]( + StructField("result", DataTypes.StringType, nullable = true, Metadata.empty), + StructField("time_cost", DataTypes.LongType, nullable = true, Metadata.empty) + )) + + override def call(args: ProcedureArgs): Seq[Row] = { + super.checkArgs(parameters, args) + + val tableName = getArgValueOrDefault(args, parameters(0)).get.asInstanceOf[String] + logInfo(s"start execute truncate table procedure for $tableName") + + val basePath: String = HoodieCLIUtils.getHoodieCatalogTable(sparkSession, tableName).tableLocation + + val context = sparkSession.sparkContext + val conf = context.hadoopConfiguration + + val targetPath = new StoragePath(basePath) + val engineContext = new HoodieSparkEngineContext(context) + + val metaClient = HoodieTableMetaClient + .builder() + .setBasePath(basePath) + .setConf(HadoopFSUtils.getStorageConfWithCopy(conf)) + .build() + + val tableConfig = metaClient.getTableConfig + + val properties: Properties = generateProperties(tableConfig) + + val startTime = System.currentTimeMillis() + try { + val storage = HoodieStorageUtils.getStorage( + basePath, HadoopFSUtils.getStorageConf(sparkSession.sessionState.newHadoopConf)) + + FSUtils.deleteDir(engineContext, storage, targetPath, context.defaultParallelism) Review Comment: Should we move the whole dir or overwrite with empty dataset? -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
