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

import org.scalatest.BeforeAndAfterAll

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

import org.apache.carbondata.core.constants.CarbonCommonConstants
import org.apache.carbondata.core.util.CarbonProperties

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

  override def beforeAll {
    sql("drop table if exists  blocklettest")
    sql("drop table if exists  Carbon_automation_hive")
    CarbonProperties.getInstance()
      .addProperty(CarbonCommonConstants.CARBON_TIMESTAMP_FORMAT, "mm/dd/yyyy")
    CarbonProperties.getInstance()
      .addProperty(CarbonCommonConstants.BLOCKLET_SIZE,
        "125")
    sql(
      "CREATE TABLE IF NOT EXISTS blocklettest (country String, ID String, date Timestamp, name " +
        "String, phonetype String, serialname String, salary Int) STORED AS carbondata"
    )


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

    // loading the rows greater than 256. so that the column cardinality crosses byte boundary.
    val csvFilePath2 = s"$resourcesPath/compaction/compactioncard2.csv"


    sql("LOAD DATA LOCAL INPATH '" + csvFilePath1 + "' INTO TABLE blocklettest OPTIONS" +
      "('DELIMITER'= ',', 'QUOTECHAR'= '\"')"
    )
    sql("LOAD DATA LOCAL INPATH '" + csvFilePath2 + "' INTO TABLE blocklettest  OPTIONS" +
      "('DELIMITER'= ',', 'QUOTECHAR'= '\"')"
    )
    // compaction will happen here.
    sql("alter table blocklettest compact 'major'"
    )

    sql(
      "create table Carbon_automation_hive (ID String, date " +
      "Timestamp,country String, name String, phonetype String, serialname String, salary Int ) row format " +
      "delimited fields terminated by ',' TBLPROPERTIES ('skip.header.line.count'='1') "
    )

    sql(s"LOAD DATA LOCAL INPATH '$resourcesPath/compaction/compaction1_forhive.csv" + "' INTO " +
        "table Carbon_automation_hive ")
    sql(s"LOAD DATA LOCAL INPATH '$resourcesPath/compaction/compactioncard2_forhive.csv" + "' INTO " +
        "table Carbon_automation_hive ")

  }

  test("select country,count(*) as a from blocklettest")({
    checkAnswer(
      sql("select country,count(*) as a from blocklettest group by country"),
      sql("select country,count(*) as a from Carbon_automation_hive group by country")
    )
  }
  )

  override def afterAll {
    CarbonProperties.getInstance()
      .addProperty(CarbonCommonConstants.CARBON_TIMESTAMP_FORMAT,
        CarbonCommonConstants.CARBON_TIMESTAMP_DEFAULT_FORMAT)
      .addProperty(CarbonCommonConstants.BLOCKLET_SIZE,
        "" + CarbonCommonConstants.BLOCKLET_SIZE_DEFAULT_VAL)
    sql("drop table if exists  blocklettest")
    sql("drop table if exists  Carbon_automation_hive")
  }

}