vikramahuja1001 commented on a change in pull request #3917: URL: https://github.com/apache/carbondata/pull/3917#discussion_r513218983
########## File path: integration/spark/src/main/scala/org/apache/carbondata/cleanfiles/CleanFilesUtil.scala ########## @@ -0,0 +1,406 @@ +/* + * 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.carbondata.cleanfiles + +import java.sql.Timestamp +import java.util + +import scala.collection.JavaConverters._ +import scala.collection.mutable.ListBuffer + +import org.apache.spark.sql.{AnalysisException, CarbonEnv, Row, SparkSession} +import org.apache.spark.sql.index.CarbonIndexUtil + +import org.apache.carbondata.common.logging.LogServiceFactory +import org.apache.carbondata.core.constants.CarbonCommonConstants +import org.apache.carbondata.core.datastore.filesystem.CarbonFile +import org.apache.carbondata.core.datastore.impl.FileFactory +import org.apache.carbondata.core.exception.ConcurrentOperationException +import org.apache.carbondata.core.indexstore.PartitionSpec +import org.apache.carbondata.core.locks.{CarbonLockFactory, CarbonLockUtil, ICarbonLock, LockUsage} +import org.apache.carbondata.core.metadata.{AbsoluteTableIdentifier, CarbonMetadata, SegmentFileStore} +import org.apache.carbondata.core.metadata.schema.table.CarbonTable +import org.apache.carbondata.core.mutate.CarbonUpdateUtil +import org.apache.carbondata.core.statusmanager.{LoadMetadataDetails, SegmentStatus, SegmentStatusManager} +import org.apache.carbondata.core.util.{CarbonProperties, CarbonUtil} +import org.apache.carbondata.core.util.path.{CarbonTablePath, TrashUtil} +import org.apache.carbondata.processing.loading.TableProcessingOperations +import org.apache.carbondata.processing.loading.model.CarbonLoadModel + +object CleanFilesUtil { + private val LOGGER = LogServiceFactory.getLogService(this.getClass.getCanonicalName) + + /** + * The method deletes all data if forceTableClean <true> and clean garbage segment + * (MARKED_FOR_DELETE state) if forceTableClean <false> + * + * @param dbName : Database name + * @param tableName : Table name + * @param tablePath : Table path + * @param carbonTable : CarbonTable Object <null> in case of force clean + * @param forceTableClean : <true> for force clean it will delete all data + * <false> it will clean garbage segment (MARKED_FOR_DELETE state) + * @param currentTablePartitions : Hive Partitions details + */ + def cleanFiles( + dbName: String, + tableName: String, + tablePath: String, + carbonTable: CarbonTable, + forceTableClean: Boolean, + currentTablePartitions: Option[Seq[PartitionSpec]] = None, + truncateTable: Boolean = false): Unit = { + var carbonCleanFilesLock: ICarbonLock = null + val absoluteTableIdentifier = if (forceTableClean) { + AbsoluteTableIdentifier.from(tablePath, dbName, tableName, tableName) + } else { + carbonTable.getAbsoluteTableIdentifier + } + try { + val errorMsg = "Clean files request is failed for " + + s"$dbName.$tableName" + + ". Not able to acquire the clean files lock due to another clean files " + + "operation is running in the background." + // in case of force clean the lock is not required + if (forceTableClean) { + FileFactory.deleteAllCarbonFilesOfDir( + FileFactory.getCarbonFile(absoluteTableIdentifier.getTablePath)) + } else { + carbonCleanFilesLock = + CarbonLockUtil + .getLockObject(absoluteTableIdentifier, LockUsage.CLEAN_FILES_LOCK, errorMsg) + if (truncateTable) { + SegmentStatusManager.truncateTable(carbonTable) + } + SegmentStatusManager.deleteLoadsAndUpdateMetadata( + carbonTable, true, currentTablePartitions.map(_.asJava).orNull) + CarbonUpdateUtil.cleanUpDeltaFiles(carbonTable, true) + currentTablePartitions match { + case Some(partitions) => + SegmentFileStore.cleanSegments( + carbonTable, + currentTablePartitions.map(_.asJava).orNull, + true) + case _ => + } + } + } finally { + if (currentTablePartitions.equals(None)) { + cleanUpPartitionFoldersRecursively(carbonTable, List.empty[PartitionSpec]) + } else { + cleanUpPartitionFoldersRecursively(carbonTable, currentTablePartitions.get.toList) + } + + if (carbonCleanFilesLock != null) { + CarbonLockUtil.fileUnlock(carbonCleanFilesLock, LockUsage.CLEAN_FILES_LOCK) + } + } + } + + + /** + * delete partition folders recursively + * + * @param carbonTable + * @param partitionSpecList + */ + def cleanUpPartitionFoldersRecursively(carbonTable: CarbonTable, + partitionSpecList: List[PartitionSpec]): Unit = { + if (carbonTable != null && carbonTable.isHivePartitionTable) { + val loadMetadataDetails = SegmentStatusManager + .readLoadMetadata(carbonTable.getMetadataPath) + + val carbonFile = FileFactory.getCarbonFile(carbonTable.getTablePath) + + // list all files from table path + val listOfDefaultPartFilesIterator = carbonFile.listFiles(true) + loadMetadataDetails.foreach { metadataDetail => + if (metadataDetail.getSegmentStatus.equals(SegmentStatus.MARKED_FOR_DELETE) && + metadataDetail.getSegmentFile == null) { + val loadStartTime: Long = metadataDetail.getLoadStartTime + // delete all files of @loadStartTime from table path + cleanCarbonFilesInFolder(listOfDefaultPartFilesIterator, loadStartTime) + partitionSpecList.foreach { + partitionSpec => + val partitionLocation = partitionSpec.getLocation + // For partition folder outside the tablePath + if (!partitionLocation.toString.startsWith(carbonTable.getTablePath)) { + val partitionCarbonFile = FileFactory + .getCarbonFile(partitionLocation.toString) + // list all files from partitionLocation + val listOfExternalPartFilesIterator = partitionCarbonFile.listFiles(true) + // delete all files of @loadStartTime from externalPath + cleanCarbonFilesInFolder(listOfExternalPartFilesIterator, loadStartTime) + } + } + } + } + } + } + + /** + * + * @param carbonFiles + * @param timestamp + */ Review comment: done ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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