akashrn5 commented on a change in pull request #4005: URL: https://github.com/apache/carbondata/pull/4005#discussion_r532675730
########## File path: core/src/main/java/org/apache/carbondata/core/util/TrashUtil.java ########## @@ -0,0 +1,224 @@ +/* + * 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.core.util; + +import java.io.DataInputStream; +import java.io.DataOutputStream; +import java.io.IOException; +import java.util.List; + +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.mutate.CarbonUpdateUtil; +import org.apache.carbondata.core.util.path.CarbonTablePath; + +import org.apache.hadoop.io.IOUtils; +import org.apache.log4j.Logger; + +/** + * Mantains the trash folder in carbondata. This class has methods to copy data to the trash and + * remove data from the trash. + */ +public final class TrashUtil { + + private static final Logger LOGGER = + LogServiceFactory.getLogService(TrashUtil.class.getName()); + + /** + * Base method to copy the data to the trash folder. + * + * @param sourcePath the path from which to copy the file + * @param destinationPath the path where the file will be copied + * @return + */ + private static void copyToTrashFolder(String sourcePath, String destinationPath) + throws IOException { + DataOutputStream dataOutputStream = null; + DataInputStream dataInputStream = null; + try { + dataOutputStream = FileFactory.getDataOutputStream(destinationPath); + dataInputStream = FileFactory.getDataInputStream(sourcePath); + IOUtils.copyBytes(dataInputStream, dataOutputStream, CarbonCommonConstants.BYTEBUFFER_SIZE); + } catch (IOException exception) { + LOGGER.error("Unable to copy " + sourcePath + " to the trash folder", exception); + throw exception; + } finally { + CarbonUtil.closeStreams(dataInputStream, dataOutputStream); + } + } + + /** + * The below method copies the complete a file to the trash folder. + * + * @param filePathToCopy the files which are to be moved to the trash folder + * @param trashFolderWithTimestamp timestamp, partition folder(if any) and segment number + * @return + */ + public static void copyFileToTrashFolder(String filePathToCopy, + String trashFolderWithTimestamp) throws IOException { + CarbonFile carbonFileToCopy = FileFactory.getCarbonFile(filePathToCopy); + try { + String destinationPath = trashFolderWithTimestamp + CarbonCommonConstants + .FILE_SEPARATOR + carbonFileToCopy.getName(); + if (!FileFactory.isFileExist(destinationPath)) { + copyToTrashFolder(filePathToCopy, destinationPath); + } + } catch (IOException e) { + // in case there is any issue while copying the file to the trash folder, we need to delete + // the complete segment folder from the trash folder. The trashFolderWithTimestamp contains + // the segment folder too. Delete the folder as it is. + FileFactory.deleteFile(trashFolderWithTimestamp); + LOGGER.error("Error while creating trash folder or copying data to the trash folder", e); Review comment: in this long better to print to path also, it will be helpful for any issues in future ########## File path: integration/spark/src/test/scala/org/apache/carbondata/spark/testsuite/cleanfiles/TestCleanFileCommand.scala ########## @@ -0,0 +1,348 @@ +/* + * 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.spark.testsuite.cleanfiles + +import java.io.{File, PrintWriter} + +import scala.io.Source + +import org.apache.spark.sql.{CarbonEnv, Row} +import org.apache.spark.sql.test.util.QueryTest +import org.scalatest.BeforeAndAfterAll + +import org.apache.carbondata.core.constants.CarbonCommonConstants +import org.apache.carbondata.core.datastore.impl.FileFactory +import org.apache.carbondata.core.util.CarbonProperties +import org.apache.carbondata.core.util.path.CarbonTablePath + +class TestCleanFileCommand extends QueryTest with BeforeAndAfterAll { + + var count = 0 + + test("clean up table and test trash folder with IN PROGRESS segments") { + // do not send the segment folders to trash + createTable() + loadData() + val path = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext.sparkSession) + .getTablePath + val trashFolderPath = CarbonTablePath.getTrashFolderPath(path) + editTableStatusFile(path) + assert(!FileFactory.isFileExist(trashFolderPath)) + + val segmentNumber1 = sql(s"""show segments for table cleantest""").count() + assert(segmentNumber1 == 4) + sql(s"CLEAN FILES FOR TABLE cleantest").show + val segmentNumber2 = sql(s"""show segments for table cleantest""").count() + assert(0 == segmentNumber2) + assert(!FileFactory.isFileExist(trashFolderPath)) + // no carbondata file is added to the trash + assert(getFileCountInTrashFolder(trashFolderPath) == 0) + sql("""DROP TABLE IF EXISTS CLEANTEST""") + } + + test("clean up table and test trash folder with Marked For Delete segments") { + // do not send MFD folders to trash + createTable() + loadData() + val path = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext.sparkSession) + .getTablePath + val trashFolderPath = CarbonTablePath.getTrashFolderPath(path) + assert(!FileFactory.isFileExist(trashFolderPath)) + sql(s"""Delete from table cleantest where segment.id in(1)""") + val segmentNumber1 = sql(s"""show segments for table cleantest""").count() + sql(s"CLEAN FILES FOR TABLE cleantest").show + val segmentNumber2 = sql(s"""show segments for table cleantest""").count() + assert(segmentNumber1 == segmentNumber2 + 1) + assert(!FileFactory.isFileExist(trashFolderPath)) + count = 0 + // no carbondata file is added to the trash + assert(getFileCountInTrashFolder(trashFolderPath) == 0) + sql("""DROP TABLE IF EXISTS CLEANTEST""") + } + + test("clean up table and test trash folder with compaction") { + // do not send compacted folders to trash + createTable() + loadData() + sql(s"""ALTER TABLE CLEANTEST COMPACT "MINOR" """) + + val path = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext.sparkSession) + .getTablePath + val trashFolderPath = CarbonTablePath.getTrashFolderPath(path) + assert(!FileFactory.isFileExist(trashFolderPath)) + + val segmentNumber1 = sql(s"""show segments for table cleantest""").count() + sql(s"CLEAN FILES FOR TABLE cleantest").show + val segmentNumber2 = sql(s"""show segments for table cleantest""").count() + assert(segmentNumber1 == segmentNumber2 + 4) + assert(!FileFactory.isFileExist(trashFolderPath)) + count = 0 + // no carbondata file is added to the trash + assert(getFileCountInTrashFolder(trashFolderPath) == 0) + + sql("""DROP TABLE IF EXISTS CLEANTEST""") + } + + test("clean up table and test trash folder with stale segments") { + createTable() + loadData() + sql(s"""alter table cleantest compact 'minor'""") + sql(s"CLEAN FILES FOR TABLE cleantest").show + sql(s"""INSERT INTO CLEANTEST SELECT "abc", 2, "name"""") + checkAnswer(sql(s"""select count(*) from cleantest"""), + Seq(Row(5))) + val path = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext.sparkSession) + .getTablePath + val trashFolderPath = CarbonTablePath.getTrashFolderPath(path) + assert(!FileFactory.isFileExist(trashFolderPath)) + // All 4 segments are made as stale segments and should be moved to trash + deleteTableStatusFile(path) + assert(!FileFactory.isFileExist(trashFolderPath)) + sql(s"CLEAN FILES FOR TABLE cleantest").show() + checkAnswer(sql(s"""select count(*) from cleantest"""), + Seq(Row(0))) + count = 0 + var list = getFileCountInTrashFolder(trashFolderPath) + assert(list == 4) + val timeStamp = getTimestampFolderName(trashFolderPath) + // recovering data from trash folder + val segment0Path = trashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + timeStamp + + CarbonCommonConstants.FILE_SEPARATOR + CarbonCommonConstants.LOAD_FOLDER + "0.1" + val segment4Path = trashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + timeStamp + + CarbonCommonConstants.FILE_SEPARATOR + CarbonCommonConstants.LOAD_FOLDER + '4' + + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment0Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment4Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + // test after recovering data from trash + checkAnswer(sql(s"""select count(*) from cleantest"""), + Seq(Row(5))) + + sql(s"CLEAN FILES FOR TABLE cleantest").show() + count = 0 + list = getFileCountInTrashFolder(trashFolderPath) + assert(list == 4) + + sql(s"CLEAN FILES FOR TABLE cleantest OPTIONS('force'='true')").show() + count = 0 + list = getFileCountInTrashFolder(trashFolderPath) + // no carbondata file is added to the trash + assert(list == 0) + sql("""DROP TABLE IF EXISTS CLEANTEST""") + sql("""DROP TABLE IF EXISTS CLEANTEST1""") + } + + test("clean up maintable table and test trash folder with SI with stale segments") { + createTable() + loadData() + sql(s"""CREATE INDEX SI_CLEANTEST on cleantest(add) as 'carbondata' """) + + checkAnswer(sql(s"""select count(*) from cleantest"""), + Seq(Row(4))) + checkAnswer(sql(s"""select count(*) from si_cleantest"""), + Seq(Row(4))) + + val mainTablePath = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext + .sparkSession).getTablePath + deleteTableStatusFile(mainTablePath) + val mainTableTrashFolderPath = CarbonTablePath.getTrashFolderPath(mainTablePath) + + assert(!FileFactory.isFileExist(mainTableTrashFolderPath)) + sql(s"CLEAN FILES FOR TABLE CLEANTEST").show() + checkAnswer(sql(s"""select count(*) from cleantest"""), Seq(Row(0))) + checkAnswer(sql(s"""select count(*) from si_cleantest"""), Seq(Row(4))) + + assert(FileFactory.isFileExist(mainTableTrashFolderPath)) + + count = 0 + var listMainTable = getFileCountInTrashFolder(mainTableTrashFolderPath) + assert(listMainTable == 8) + + // recovering data from trash folder + val timeStamp = getTimestampFolderName(mainTableTrashFolderPath) + val segment0Path = mainTableTrashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + + timeStamp + CarbonCommonConstants.FILE_SEPARATOR + CarbonCommonConstants.LOAD_FOLDER + '0' + val segment1Path = mainTableTrashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + + timeStamp + CarbonCommonConstants.FILE_SEPARATOR + CarbonCommonConstants.LOAD_FOLDER + '1' + val segment2Path = mainTableTrashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + + timeStamp + CarbonCommonConstants.FILE_SEPARATOR + CarbonCommonConstants.LOAD_FOLDER + '2' + val segment3Path = mainTableTrashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + + timeStamp + CarbonCommonConstants.FILE_SEPARATOR + CarbonCommonConstants.LOAD_FOLDER + '3' + + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment0Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment1Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment2Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment3Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + checkAnswer(sql(s"""select count(*) from cleantest"""), + Seq(Row(4))) + sql(s"CLEAN FILES FOR TABLE cleantest options('force'='true')").show + // no files in trash anymore + count = 0 + listMainTable = getFileCountInTrashFolder(mainTableTrashFolderPath) + assert(listMainTable == 0) + sql("""DROP TABLE IF EXISTS CLEANTEST""") + sql("""DROP TABLE IF EXISTS CLEANTEST1""") + } + + test("test trash folder with 2 segments with same segment number") { + createTable() + sql(s"""INSERT INTO CLEANTEST SELECT "1", 2, "name"""") + + val path = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext.sparkSession) + .getTablePath + val trashFolderPath = CarbonTablePath.getTrashFolderPath(path) + assert(!FileFactory.isFileExist(trashFolderPath)) + // All 4 segments are made as stale segments, they should be moved to the trash folder + deleteTableStatusFile(path) + + assert(!FileFactory.isFileExist(trashFolderPath)) + sql(s"CLEAN FILES FOR TABLE cleantest").show() + count = 0 + var list = getFileCountInTrashFolder(trashFolderPath) + assert(list == 2) + + sql(s"""INSERT INTO CLEANTEST SELECT "1", 2, "name"""") + deleteTableStatusFile(path) + + sql(s"CLEAN FILES FOR TABLE cleantest").show() + count = 0 + list = getFileCountInTrashFolder(trashFolderPath) + assert(list == 4) + + sql(s"CLEAN FILES FOR TABLE cleantest OPTIONS('force'='true')").show() + count = 0 + list = getFileCountInTrashFolder(trashFolderPath) + // no carbondata file is added to the trash + assert(list == 0) + sql("""DROP TABLE IF EXISTS CLEANTEST""") + sql("""DROP TABLE IF EXISTS CLEANTEST1""") + } + + test("test carbon.trash.retenion.property") { + CarbonProperties.getInstance() + .addProperty(CarbonCommonConstants.CARBON_TRASH_RETENTION_DAYS, "0") + createTable() + loadData() + checkAnswer(sql(s"""select count(*) from cleantest"""), + Seq(Row(4))) + val path = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext.sparkSession) + .getTablePath + val trashFolderPath = CarbonTablePath.getTrashFolderPath(path) + assert(!FileFactory.isFileExist(trashFolderPath)) + // All 4 segments are made as stale segments and should be moved to trash + deleteTableStatusFile(path) + assert(!FileFactory.isFileExist(trashFolderPath)) + sql(s"CLEAN FILES FOR TABLE cleantest").show() + checkAnswer(sql(s"""select count(*) from cleantest"""), + Seq(Row(0))) + count = 0 + var list = getFileCountInTrashFolder(trashFolderPath) + assert(list == 8) + val timeStamp = getTimestampFolderName(trashFolderPath) + + sql(s"CLEAN FILES FOR TABLE cleantest").show() + count = 0 + list = getFileCountInTrashFolder(trashFolderPath) + assert(list == 0) + + sql("""DROP TABLE IF EXISTS CLEANTEST""") + sql("""DROP TABLE IF EXISTS CLEANTEST1""") + CarbonProperties.getInstance() + .removeProperty(CarbonCommonConstants.CARBON_TRASH_RETENTION_DAYS) + } + + def editTableStatusFile(carbonTablePath: String) : Unit = { + val f1 = new File(carbonTablePath + CarbonCommonConstants.FILE_SEPARATOR + "Metadata" + + CarbonCommonConstants.FILE_SEPARATOR + "tablestatus") // Original File + val f2 = new File(carbonTablePath + CarbonCommonConstants.FILE_SEPARATOR + "Metadata" + + CarbonCommonConstants.FILE_SEPARATOR + "tmp") // Temporary File + val w = new PrintWriter(f2) + Source.fromFile(f1).getLines + .map { x => + x.replaceAll("Success", "In Progress") + } + // scalastyle:off println + .foreach(x => w.println(x)) + // scalastyle:on println + w.close() + f2.renameTo(f1) + } + + + def getFileCountInTrashFolder(dirPath: String) : Int = { Review comment: Just use Ctrl+Shift+Alt+L, it will format the selected code, that what i meant ########## File path: integration/spark/src/test/scala/org/apache/carbondata/spark/testsuite/cleanfiles/TestCleanFilesCommandPartitionTable.scala ########## @@ -0,0 +1,361 @@ +/* + * 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.spark.testsuite.cleanfiles + +import java.io.{File, PrintWriter} + +import scala.io.Source + +import org.apache.spark.sql.{CarbonEnv, Row} +import org.apache.spark.sql.test.util.QueryTest +import org.scalatest.BeforeAndAfterAll + +import org.apache.carbondata.core.constants.CarbonCommonConstants +import org.apache.carbondata.core.datastore.impl.FileFactory +import org.apache.carbondata.core.util.CarbonProperties +import org.apache.carbondata.core.util.path.CarbonTablePath + +class TestCleanFilesCommandPartitionTable extends QueryTest with BeforeAndAfterAll { + + var count = 0 + + test("clean up table and test trash folder with IN PROGRESS segments") { + // do not send the segment folders to trash + createParitionTable() + loadData() + val path = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext.sparkSession) + .getTablePath + val trashFolderPath = path + CarbonCommonConstants.FILE_SEPARATOR + CarbonTablePath.TRASH_DIR + editTableStatusFile(path) + assert(!FileFactory.isFileExist(trashFolderPath)) + val segmentNumber1 = sql(s"""show segments for table cleantest""").count() + assert(segmentNumber1 == 4) + sql(s"CLEAN FILES FOR TABLE cleantest").show + val segmentNumber2 = sql(s"""show segments for table cleantest""").count() + assert(0 == segmentNumber2) + assert(!FileFactory.isFileExist(trashFolderPath)) + val list = getFileCountInTrashFolder(trashFolderPath) + // no carbondata file is added to the trash + assert(list == 0) + sql("""DROP TABLE IF EXISTS CLEANTEST""") + } + + test("clean up table and test trash folder with Marked For Delete segments") { + // do not send MFD folders to trash + createParitionTable() + loadData() + val path = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext.sparkSession) + .getTablePath + val trashFolderPath = path + CarbonCommonConstants.FILE_SEPARATOR + CarbonTablePath.TRASH_DIR + assert(!FileFactory.isFileExist(trashFolderPath)) + sql(s"""Delete from table cleantest where segment.id in(1)""") + val segmentNumber1 = sql(s"""show segments for table cleantest""").count() + sql(s"CLEAN FILES FOR TABLE cleantest").show + val segmentNumber2 = sql(s"""show segments for table cleantest""").count() + assert(segmentNumber1 == segmentNumber2 + 1) + assert(!FileFactory.isFileExist(trashFolderPath)) + count = 0 + var list = getFileCountInTrashFolder(trashFolderPath) + // no carbondata file is added to the trash + assert(list == 0) + sql("""DROP TABLE IF EXISTS CLEANTEST""") + } + + test("clean up table and test trash folder with compaction") { + // do not send compacted folders to trash + createParitionTable() + loadData() + sql(s"""ALTER TABLE CLEANTEST COMPACT "MINOR" """) + + val path = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext.sparkSession) + .getTablePath + val trashFolderPath = path + CarbonCommonConstants.FILE_SEPARATOR + CarbonTablePath.TRASH_DIR + assert(!FileFactory.isFileExist(trashFolderPath)) + + val segmentNumber1 = sql(s"""show segments for table cleantest""").count() + sql(s"CLEAN FILES FOR TABLE cleantest").show + val segmentNumber2 = sql(s"""show segments for table cleantest""").count() + assert(segmentNumber1 == segmentNumber2 + 4) + assert(!FileFactory.isFileExist(trashFolderPath)) + count = 0 + val list = getFileCountInTrashFolder(trashFolderPath) + // no carbondata file is added to the trash + assert(list == 0) + sql("""DROP TABLE IF EXISTS CLEANTEST""") + } + + + + test("test trash folder with 2 segments with same segment number") { + createParitionTable() + sql(s"""INSERT INTO CLEANTEST SELECT 1, 2,"hello","abc"""") + + val path = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext.sparkSession) + .getTablePath + val trashFolderPath = path + CarbonCommonConstants.FILE_SEPARATOR + CarbonTablePath.TRASH_DIR + assert(!FileFactory.isFileExist(trashFolderPath)) + deleteTableStatusFile(path) + + assert(!FileFactory.isFileExist(trashFolderPath)) + sql(s"CLEAN FILES FOR TABLE cleantest").show() + count = 0 + var list = getFileCountInTrashFolder(trashFolderPath) + assert(list == 2) + + sql(s"""INSERT INTO CLEANTEST SELECT 1, 2,"hello","abc"""") + deleteTableStatusFile(path) + + sql(s"CLEAN FILES FOR TABLE cleantest").show() + count = 0 + list = getFileCountInTrashFolder(trashFolderPath) + assert(list == 4) + + sql(s"CLEAN FILES FOR TABLE cleantest OPTIONS('force'='true')").show() + count = 0 + list = getFileCountInTrashFolder(trashFolderPath) + // no carbondata file is added to the trash + assert(list == 0) + sql("""DROP TABLE IF EXISTS CLEANTEST""") + } + + test("clean up table and test trash folder with stale segments") { + sql("""DROP TABLE IF EXISTS C1""") + createParitionTable() + loadData() + val path = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext.sparkSession) + .getTablePath + val trashFolderPath = CarbonTablePath.getTrashFolderPath(path) + // All 4 segments are made as stale segments, they should be moved to the trash folder + deleteTableStatusFile(path) + + sql(s"CLEAN FILES FOR TABLE CLEANTEST").show() + checkAnswer(sql(s"""select count(*) from cleantest"""), + Seq(Row(0))) + + val timeStamp = getTimestampFolderName(trashFolderPath) + // test recovery from partition table + val segment0Path = trashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + timeStamp + + "/Segment_0" + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment0Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + val segment1Path = trashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + timeStamp + + "/Segment_1" + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment1Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + val segment2Path = trashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + timeStamp + + "/Segment_2" + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment2Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + val segment3Path = trashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + timeStamp + + "/Segment_3" + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment3Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + checkAnswer(sql(s"""select count(*) from cleantest"""), + Seq(Row(4))) + + sql("""DROP TABLE IF EXISTS C1""") + sql("""DROP TABLE IF EXISTS CLEANTEST""") + } + + + test("clean up table and test trash folder with stale segments part 2") { + sql("""DROP TABLE IF EXISTS CLEANTEST""") + sql("""DROP TABLE IF EXISTS C1""") + + sql("create table cleantest(" + + "value int) partitioned by (name string, age int) stored as carbondata") + sql("insert into cleantest values (30, 'amy', 12), (40, 'bob', 13)") + sql("insert into cleantest values (30, 'amy', 20), (10, 'bob', 13)") + sql("insert into cleantest values (30, 'cat', 12), (40, 'dog', 13)") + + + val path = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext.sparkSession) + .getTablePath + val trashFolderPath = CarbonTablePath.getTrashFolderPath(path) + // All 4 segments are made as stale segments, they should be moved to the trash folder + // createStaleSegments(path) + deleteTableStatusFile(path) + + sql(s"CLEAN FILES FOR TABLE CLEANTEST").show() + + val timeStamp = getTimestampFolderName(trashFolderPath) + // test recovery from partition table + val segment0Path = trashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + timeStamp + + "/Segment_0" + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment0Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + val segment1Path = trashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + timeStamp + + "/Segment_1" + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment1Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + val segment2Path = trashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + timeStamp + + "/Segment_2" + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment2Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + checkAnswer(sql(s"""select count(*) from cleantest"""), + Seq(Row(6))) + checkAnswer(sql(s"""select count(*) from cleantest where age=13"""), + Seq(Row(3))) + + sql("""DROP TABLE IF EXISTS C1""") + sql("""DROP TABLE IF EXISTS CLEANTEST""") + } + + test("clean up maintable table and test trash folder with SI with stale segments") { + createParitionTable() + loadData() + sql(s"""CREATE INDEX SI_CLEANTEST on cleantest(name) as 'carbondata' """) + checkAnswer(sql(s"""select count(*) from cleantest"""), + Seq(Row(4))) + checkAnswer(sql(s"""select count(*) from si_cleantest"""), + Seq(Row(4))) + + val mainTablePath = CarbonEnv.getCarbonTable(Some("default"), "cleantest")(sqlContext + .sparkSession).getTablePath + deleteTableStatusFile(mainTablePath) + val mainTableTrashFolderPath = mainTablePath + CarbonCommonConstants.FILE_SEPARATOR + + CarbonTablePath.TRASH_DIR + + assert(!FileFactory.isFileExist(mainTableTrashFolderPath)) + + sql(s"CLEAN FILES FOR TABLE CLEANTEST").show() + checkAnswer(sql(s"""select count(*) from cleantest"""), Seq(Row(0))) + checkAnswer(sql(s"""select count(*) from si_cleantest"""), Seq(Row(4))) + + assert(FileFactory.isFileExist(mainTableTrashFolderPath)) + + count = 0 + var listMainTable = getFileCountInTrashFolder(mainTableTrashFolderPath) + assert(listMainTable == 8) + + // recovering data from trash folder + val timeStamp = getTimestampFolderName(mainTableTrashFolderPath) + + val segment0Path = mainTableTrashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + + timeStamp + CarbonCommonConstants.FILE_SEPARATOR + CarbonCommonConstants.LOAD_FOLDER + '0' + val segment1Path = mainTableTrashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + + timeStamp + CarbonCommonConstants.FILE_SEPARATOR + CarbonCommonConstants.LOAD_FOLDER + '1' + val segment2Path = mainTableTrashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + + timeStamp + CarbonCommonConstants.FILE_SEPARATOR + CarbonCommonConstants.LOAD_FOLDER + '2' + val segment3Path = mainTableTrashFolderPath + CarbonCommonConstants.FILE_SEPARATOR + + timeStamp + CarbonCommonConstants.FILE_SEPARATOR + CarbonCommonConstants.LOAD_FOLDER + '3' + + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment0Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment1Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment2Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + sql(s"CREATE TABLE c1 USING CARBON LOCATION '$segment3Path'") + sql("INSERT INTO cleantest select * from c1").show() + sql("drop table c1") + + checkAnswer(sql(s"""select count(*) from cleantest"""), + Seq(Row(4))) + sql(s"CLEAN FILES FOR TABLE cleantest options('force'='true')").show + // no files in trash anymore + count = 0 + listMainTable = getFileCountInTrashFolder(mainTableTrashFolderPath) + assert(listMainTable == 0) + sql("show segments for table cleantest").show() + sql("show segments for table si_cleantest").show() + sql("""DROP TABLE IF EXISTS CLEANTEST""") + } + + def editTableStatusFile(carbonTablePath: String) : Unit = { + val f1 = new File(carbonTablePath + CarbonCommonConstants.FILE_SEPARATOR + "Metadata" + + CarbonCommonConstants.FILE_SEPARATOR + "tablestatus") // Original File + val f2 = new File(carbonTablePath + CarbonCommonConstants.FILE_SEPARATOR + "Metadata" + + CarbonCommonConstants.FILE_SEPARATOR + "tmp") // Temporary File + val w = new PrintWriter(f2) + Source.fromFile(f1).getLines + .map { x => + x.replaceAll("Success", "In Progress") + } + // scalastyle:off println + .foreach(x => w.println(x)) + // scalastyle:on println + w.close() + f2.renameTo(f1) + } + + + def getFileCountInTrashFolder(dirPath: String) : Int = { Review comment: same as above ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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