| /* |
| * 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.util |
| |
| import org.apache.spark.sql.{CarbonEnv, SparkSession} |
| import org.apache.spark.sql.catalyst.TableIdentifier |
| |
| import org.apache.carbondata.api.CarbonStore |
| |
| /** |
| * clean files api |
| */ |
| // scalastyle:off |
| object CleanFiles { |
| |
| /** |
| * The method deletes all data if forceTableCLean <true> and lean garbage segment |
| * (MARKED_FOR_DELETE state) if forceTableCLean <false> |
| * |
| * @param spark : Database name |
| * @param dbName : Table name |
| * @param tableName : Table path |
| * @param forceTableClean : if true, it deletes the table and its contents with force.It does not |
| * drop table from hive metastore so should be very careful to use it. |
| */ |
| def cleanFiles(spark: SparkSession, dbName: String, tableName: String, |
| forceTableClean: Boolean = false): Unit = { |
| TableAPIUtil.validateTableExists(spark, dbName, tableName) |
| val tablePath = CarbonEnv.getTablePath(Some(dbName), tableName)(spark) |
| val carbonTable = if (!forceTableClean) { |
| CarbonEnv.getCarbonTable(Some(dbName), tableName)(spark) |
| } else { |
| null |
| } |
| CarbonStore.cleanFiles( |
| dbName = dbName, |
| tableName = tableName, |
| tablePath = tablePath, |
| carbonTable = carbonTable, |
| forceTableClean = forceTableClean) |
| } |
| |
| def main(args: Array[String]): Unit = { |
| |
| if (args.length < 2) { |
| System.err.println("Usage: CleanFiles <store path> <table name>") |
| System.exit(1) |
| } |
| |
| val storePath = TableAPIUtil.escape(args(0)) |
| val (dbName, tableName) = TableAPIUtil.parseSchemaName(TableAPIUtil.escape(args(1))) |
| var forceTableClean = false |
| if (args.length > 2) { |
| forceTableClean = args(2).toBoolean |
| } |
| val spark = TableAPIUtil.spark(storePath, s"CleanFiles: $dbName.$tableName") |
| cleanFiles(spark, dbName, tableName, forceTableClean) |
| } |
| } |