integration/spark/src/test/scala/org/apache/carbondata/spark/testsuite/datacompaction/DataCompactionLockTest.scala

/*
 * 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.datacompaction



import scala.collection.JavaConverters._

import org.scalatest.BeforeAndAfterAll

import org.apache.spark.sql.test.util.QueryTest

import org.apache.carbondata.core.util.path.CarbonTablePath
import org.apache.carbondata.core.metadata.{AbsoluteTableIdentifier, CarbonTableIdentifier}
import org.apache.carbondata.core.constants.CarbonCommonConstants
import org.apache.carbondata.core.statusmanager.SegmentStatusManager
import org.apache.carbondata.core.util.CarbonProperties
import org.apache.carbondata.core.locks.{CarbonLockFactory, ICarbonLock, LockUsage}


/**
  * FT for data compaction Locking scenario.
  */
class DataCompactionLockTest extends QueryTest with BeforeAndAfterAll {

  val absoluteTableIdentifier: AbsoluteTableIdentifier =
      AbsoluteTableIdentifier.from(
        storeLocation,
        new CarbonTableIdentifier(
          CarbonCommonConstants.DATABASE_DEFAULT_NAME, "compactionlocktesttable", "1")
      )
  val dataPath: String = CarbonTablePath.getMetadataPath(absoluteTableIdentifier.getTablePath)

  val carbonLock: ICarbonLock =
    CarbonLockFactory
      .getCarbonLockObj(absoluteTableIdentifier, LockUsage.COMPACTION_LOCK)

  override def beforeAll {
    CarbonProperties.getInstance()
      .addProperty(CarbonCommonConstants.ENABLE_CONCURRENT_COMPACTION, "true")
    sql("drop table if exists  compactionlocktesttable")
    CarbonProperties.getInstance()
      .addProperty(CarbonCommonConstants.CARBON_TIMESTAMP_FORMAT, "mm/dd/yyyy")
    sql(
      "CREATE TABLE IF NOT EXISTS compactionlocktesttable (country String, ID Int, date " +
      "Timestamp, name String, phonetype String, serialname String, salary Int)" +
      "STORED AS carbondata"
    )

    var csvFilePath1 = s"$resourcesPath/compaction/compaction1.csv"

    var csvFilePath2 = s"$resourcesPath/compaction/compaction2.csv"
    var csvFilePath3 = s"$resourcesPath/compaction/compaction3.csv"

    sql("LOAD DATA LOCAL INPATH '" + csvFilePath1 + "' INTO TABLE compactionlocktesttable " +
      "OPTIONS" +
      "('DELIMITER'= ',', 'QUOTECHAR'= '\"')"
    )
    sql("LOAD DATA LOCAL INPATH '" + csvFilePath2 + "' INTO TABLE compactionlocktesttable  " +
      "OPTIONS" +
      "('DELIMITER'= ',', 'QUOTECHAR'= '\"')"
    )
    sql("LOAD DATA LOCAL INPATH '" + csvFilePath3 + "' INTO TABLE compactionlocktesttable  " +
      "OPTIONS" +
      "('DELIMITER'= ',', 'QUOTECHAR'= '\"')"
    )
    // take the lock so that next compaction will be failed.
    carbonLock.lockWithRetries()

    // compaction should happen here.
    try{
      sql("alter table compactionlocktesttable compact 'major'")
    }
    catch {
      case e : Exception =>
        assert(true)
    }
  }

  /**
    * Compaction should fail as lock is being held purposefully
    */
  test("check if compaction is failed or not.") {

    val segmentStatusManager: SegmentStatusManager = new SegmentStatusManager(
      absoluteTableIdentifier
    )
    val segments = segmentStatusManager.getValidAndInvalidSegments.getValidSegments.asScala.toList

    if (!segments.contains("0.1")) {
      assert(true)
    }
    else {
      assert(false)
    }
  }


  override def afterAll {
    CarbonProperties.getInstance()
      .addProperty(CarbonCommonConstants.CARBON_TIMESTAMP_FORMAT,
        CarbonCommonConstants.CARBON_TIMESTAMP_DEFAULT_FORMAT)
    sql("drop table if exists  compactionlocktesttable")
    carbonLock.unlock()
  }

}