integration/spark-common-test/src/test/scala/org/apache/carbondata/integration/spark/testsuite/dataload/TestLoadDataWithSinglePass.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.integration.spark.testsuite.dataload

import org.apache.spark.sql.Row
import org.apache.spark.sql.test.util.QueryTest
import org.scalatest.BeforeAndAfterAll

/**
  * Test Class for data loading use one pass
  *
  */
class TestLoadDataWithSinglePass extends QueryTest with BeforeAndAfterAll {

  override def beforeAll {
    sql("DROP TABLE IF EXISTS table_two_pass")
    sql("DROP TABLE IF EXISTS table_one_pass")
    sql("DROP TABLE IF EXISTS table_one_pass_2")

    sql(
      """
        |CREATE TABLE table_two_pass (ID int, date Timestamp, country String,
        |name String, phonetype String, serialname String, salary int)
        |STORED BY 'org.apache.carbondata.format'
      """.stripMargin)

    sql(
      s"""
        |LOAD DATA local inpath '$resourcesPath/source.csv' INTO TABLE table_two_pass
        |OPTIONS('DELIMITER'= ',', 'SINGLE_PASS'='false')
      """.stripMargin)

    sql(
      """
        |CREATE TABLE table_one_pass (ID int, date Timestamp, country String,
        |name String, phonetype String, serialname String, salary int)
        |STORED BY 'org.apache.carbondata.format'
      """.stripMargin)

    sql(
      s"""
        |LOAD DATA local inpath '$resourcesPath/source.csv' INTO TABLE table_one_pass
        |OPTIONS('DELIMITER'= ',', 'SINGLE_PASS'='true')
      """.stripMargin)
  }

  test("test data loading use one pass") {
    checkAnswer(
      sql("select * from table_one_pass"),
      sql("select * from table_two_pass")
    )
  }

  test("test data loading use one pass when offer column dictionary file") {
    sql(
      """
        |CREATE TABLE table_one_pass_2 (ID int, date Timestamp, country String,
        |name String, phonetype String, serialname String, salary int)
        |STORED BY 'org.apache.carbondata.format'
      """.stripMargin)
    sql(
      s"""
        |LOAD DATA local inpath '$resourcesPath/source.csv' INTO TABLE table_one_pass_2
        |OPTIONS('DELIMITER'= ',', 'SINGLE_PASS'='true', 'COLUMNDICT'=
        |'country:$resourcesPath/columndictionary/country.csv, name:$resourcesPath/columndictionary/name.csv')
      """.stripMargin)

    checkAnswer(
      sql("select * from table_one_pass_2"),
      sql("select * from table_two_pass")
    )
  }

  test("test data loading use one pass when do incremental load") {
    sql(
      s"""
        |LOAD DATA local inpath '$resourcesPath/dataIncrement.csv' INTO TABLE table_two_pass
        |OPTIONS('DELIMITER'= ',', 'SINGLE_PASS'='false')
      """.stripMargin)
    sql(
      s"""
        |LOAD DATA local inpath '$resourcesPath/dataIncrement.csv' INTO TABLE table_one_pass
        |OPTIONS('DELIMITER'= ',', 'SINGLE_PASS'='true')
      """.stripMargin)

    checkAnswer(
      sql("select * from table_one_pass"),
      sql("select * from table_two_pass")
    )
  }

  test("test data loading with dctionary exclude") {
    sql("DROP TABLE IF EXISTS dict_exclude")
    sql(
      """
        |CREATE TABLE dict_exclude (ID int, date Timestamp, country String,
        |name String, phonetype String, serialname String, salary int)
        |STORED BY 'org.apache.carbondata.format' TBLPROPERTIES('DICTIONARY_EXCLUDE'='country,name,serialname,phonetype')
      """.stripMargin)
    sql(
      s"""
         |LOAD DATA local inpath '$resourcesPath/source.csv' INTO TABLE dict_exclude
         |OPTIONS('DELIMITER'= ',', 'SINGLE_PASS'='FALSE')
      """.stripMargin)
    checkAnswer(sql("select name from dict_exclude limit 1"),Row("aaa1"))
  }

  override def afterAll {
    sql("DROP TABLE IF EXISTS table_two_pass")
    sql("DROP TABLE IF EXISTS table_one_pass")
    sql("DROP TABLE IF EXISTS table_one_pass_2")
    sql("DROP TABLE IF EXISTS dict_exclude")
  }
}