/*
 * 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.carbondata

import java.io.{File, PrintWriter}
import java.math.BigDecimal
import java.net.{BindException, ServerSocket}
import java.sql.{Date, Timestamp}
import java.util.concurrent.Executors

import scala.collection.mutable

import org.apache.spark.rdd.RDD
import org.apache.spark.sql._
import org.apache.spark.sql.catalyst.TableIdentifier
import org.apache.spark.sql.catalyst.analysis.NoSuchTableException
import org.apache.spark.sql.hive.CarbonRelation
import org.apache.spark.sql.streaming.{ProcessingTime, StreamingQuery}
import org.apache.spark.sql.test.util.QueryTest
import org.scalatest.BeforeAndAfterAll

import org.apache.carbondata.common.exceptions.NoSuchStreamException
import org.apache.carbondata.common.exceptions.sql.MalformedCarbonCommandException
import org.apache.carbondata.core.constants.CarbonCommonConstants
import org.apache.carbondata.core.datastore.impl.FileFactory
import org.apache.carbondata.core.metadata.schema.table.CarbonTable
import org.apache.carbondata.core.statusmanager.{FileFormat, SegmentStatus}
import org.apache.carbondata.core.util.CarbonProperties
import org.apache.carbondata.core.util.path.CarbonTablePath
import org.apache.carbondata.spark.exception.ProcessMetaDataException
import org.apache.carbondata.spark.rdd.CarbonScanRDD
import org.apache.carbondata.streaming.parser.CarbonStreamParser

class TestStreamingTableOpName extends QueryTest with BeforeAndAfterAll {

  private val spark = sqlContext.sparkSession
  private val dataFilePath = s"$resourcesPath/streamSample.csv"
  def currentPath: String = new File(this.getClass.getResource("/").getPath + "../../")
    .getCanonicalPath
  val badRecordFilePath: File =new File(currentPath + "/target/test/badRecords")

  override def beforeAll {
    badRecordFilePath.delete()
    badRecordFilePath.mkdirs()
    CarbonProperties.getInstance().addProperty(
      CarbonCommonConstants.CARBON_TIMESTAMP_FORMAT,
      CarbonCommonConstants.CARBON_TIMESTAMP_DEFAULT_FORMAT)
    CarbonProperties.getInstance().addProperty(
      CarbonCommonConstants.CARBON_DATE_FORMAT,
      CarbonCommonConstants.CARBON_DATE_DEFAULT_FORMAT)
    sql("DROP DATABASE IF EXISTS streaming CASCADE")
    sql("CREATE DATABASE streaming")
    sql("USE streaming")
    sql(
      """
        | CREATE TABLE source(
        |    c1 string,
        |    c2 int,
        |    c3 string,
        |    c5 string
        | ) STORED BY 'org.apache.carbondata.format'
        | TBLPROPERTIES ('streaming' = 'true')
      """.stripMargin)
    sql(s"""LOAD DATA LOCAL INPATH '$resourcesPath/IUD/dest.csv' INTO TABLE source""")

    dropTable()

    // 1. normal table not support streaming ingest
    createTable(tableName = "batch_table", streaming = false, withBatchLoad = true)

    // 2. streaming table with different input source
    // file source
    createTable(tableName = "stream_table_file", streaming = true, withBatchLoad = true)

    // 3. streaming table with bad records
    createTable(tableName = "bad_record_fail", streaming = true, withBatchLoad = true)

    // 4. streaming frequency check
    createTable(tableName = "stream_table_1s", streaming = true, withBatchLoad = true)

    // 5. streaming table execute batch loading
    // 6. detail query
    // 8. compaction
    // full scan + filter scan + aggregate query
    createTable(tableName = "stream_table_filter", streaming = true, withBatchLoad = true)

    createTableWithComplexType(
      tableName = "stream_table_filter_complex", streaming = true, withBatchLoad = true)


    // 11. table for delete segment test
    createTable(tableName = "stream_table_delete_id", streaming = true, withBatchLoad = false)
    createTable(tableName = "stream_table_delete_date", streaming = true, withBatchLoad = false)

    // 12. reject alter streaming properties
    // 13. handoff streaming segment and finish streaming
    createTable(tableName = "stream_table_handoff", streaming = false, withBatchLoad = false)

    // 15. auto handoff streaming segment
    // 16. close streaming table
    // 17. reopen streaming table after close
    // 9. create new stream segment if current stream segment is full
    createTable(tableName = "stream_table_reopen", streaming = true, withBatchLoad = false)

    // 18. block drop table while streaming is in progress
    createTable(tableName = "stream_table_drop", streaming = true, withBatchLoad = false)

    createTable(tableName = "agg_table", streaming = true, withBatchLoad = false)

    createTable(tableName = "stream_table_empty", streaming = true, withBatchLoad = false)

    var csvDataDir = integrationPath + "/spark2/target/csvdatanew"
    generateCSVDataFile(spark, idStart = 10, rowNums = 5, csvDataDir)
    generateCSVDataFile(spark, idStart = 10, rowNums = 5, csvDataDir, SaveMode.Append)
  }

  test("validate streaming property") {
    sql(
      """
        | CREATE TABLE correct(
        |    c1 string
        | ) STORED BY 'org.apache.carbondata.format'
        | TBLPROPERTIES ('streaming' = 'true')
      """.stripMargin)
    sql("DROP TABLE correct")
    sql(
      """
        | CREATE TABLE correct(
        |    c1 string
        | ) STORED BY 'org.apache.carbondata.format'
        | TBLPROPERTIES ('streaming' = 'false')
      """.stripMargin)
    sql("DROP TABLE correct")
    val exceptionMsg = intercept[MalformedCarbonCommandException] {
      sql(
        """
          | create table wrong(
          |    c1 string
          | ) STORED BY 'org.apache.carbondata.format'
          | TBLPROPERTIES ('streaming' = 'invalid')
        """.stripMargin)
    }
    assert(exceptionMsg.getMessage.equals("Table property \'streaming\' should be either \'true\' or \'false\'"))
  }

  test("test blocking update and delete operation on streaming table") {
    val exceptionMsgUpdate = intercept[MalformedCarbonCommandException] {
      sql("""UPDATE source d SET (d.c2) = (d.c2 + 1) WHERE d.c1 = 'a'""").collect()
    }
    val exceptionMsgDelete = intercept[MalformedCarbonCommandException] {
      sql("""DELETE FROM source WHERE d.c1 = 'a'""").collect()
    }
    assert(exceptionMsgUpdate.getMessage.equals("Data update is not allowed for streaming table"))
    assert(exceptionMsgDelete.getMessage.equals("Data delete is not allowed for streaming table"))
  }

  test("test blocking alter table operation on streaming table") {
    val addColException = intercept[MalformedCarbonCommandException] {
      sql("""ALTER TABLE source ADD COLUMNS (c6 string)""").collect()
    }
    val dropColException = intercept[MalformedCarbonCommandException] {
      sql("""ALTER TABLE source DROP COLUMNS (c1)""").collect()
    }
    val renameException = intercept[MalformedCarbonCommandException] {
      sql("""ALTER TABLE source RENAME to t""").collect()
    }
    val changeDataTypeException = intercept[MalformedCarbonCommandException] {
      sql("""ALTER TABLE source CHANGE c2 c2 bigint""").collect()
    }
    val columnRenameException = intercept[MalformedCarbonCommandException] {
      sql("""ALTER TABLE source CHANGE c2 c3 int""").collect()
    }
    assertResult("Alter table add column is not allowed for streaming table")(addColException.getMessage)
    assertResult("Alter table drop column is not allowed for streaming table")(dropColException.getMessage)
    assertResult("Alter rename table is not allowed for streaming table")(renameException.getMessage)
    assertResult("Alter table change datatype is not allowed for streaming table")(changeDataTypeException.getMessage)
    assertResult("Alter table column rename is not allowed for streaming table")(columnRenameException.getMessage)
  }

  override def  afterAll {
    dropTable()
    sql("USE default")
    sql("DROP DATABASE IF EXISTS streaming CASCADE")
    var csvDataDir = integrationPath + "/spark2/target/csvdatanew"
    badRecordFilePath.delete()
    new File(csvDataDir).delete()
    csvDataDir = integrationPath + "/spark2/target/csvdata"
    new File(csvDataDir).delete()
  }

  def dropTable(): Unit = {
    sql("drop table if exists streaming.batch_table")
    sql("drop table if exists streaming.stream_table_file")
    sql("drop table if exists streaming.bad_record_fail")
    sql("drop table if exists streaming.stream_table_1s")
    sql("drop table if exists streaming.stream_table_filter ")
    sql("drop table if exists streaming.stream_table_filter_complex")
    sql("drop table if exists streaming.stream_table_delete_id")
    sql("drop table if exists streaming.stream_table_delete_date")
    sql("drop table if exists streaming.stream_table_handoff")
    sql("drop table if exists streaming.stream_table_reopen")
    sql("drop table if exists streaming.stream_table_drop")
    sql("drop table if exists streaming.agg_table_block")
    sql("drop table if exists streaming.stream_table_empty")
  }

  // normal table not support streaming ingest
  test("normal table not support streaming ingest and alter normal table's streaming property") {
    // alter normal table's streaming property
    val msg = intercept[MalformedCarbonCommandException](sql("alter table streaming.batch_table set tblproperties('streaming'='false')"))
    assertResult("Streaming property value is incorrect")(msg.getMessage)

    val identifier = new TableIdentifier("batch_table", Option("streaming"))
    val carbonTable = CarbonEnv.getInstance(spark).carbonMetaStore.lookupRelation(identifier)(spark)
      .asInstanceOf[CarbonRelation].metaData.carbonTable
    var server: ServerSocket = null
    try {
      server = getServerSocket()
      val thread1 = createWriteSocketThread(server, 2, 10, 1)
      thread1.start()
      // use thread pool to catch the exception of sink thread
      val pool = Executors.newSingleThreadExecutor()
      val thread2 = createSocketStreamingThread(spark, server.getLocalPort, carbonTable, identifier)
      val future = pool.submit(thread2)
      Thread.sleep(1000)
      thread1.interrupt()
      val msg = intercept[Exception] {
        future.get()
      }
      assert(msg.getMessage.contains("is not a streaming table"))
    } finally {
      if (server != null) {
        server.close()
      }
    }
  }

  // input source: file
  test("streaming ingest from file source") {
    val identifier = new TableIdentifier("stream_table_file", Option("streaming"))
    val carbonTable = CarbonEnv.getInstance(spark).carbonMetaStore.lookupRelation(identifier)(spark)
      .asInstanceOf[CarbonRelation].metaData.carbonTable
    val csvDataDir = new File("target/csvdata").getCanonicalPath
    // streaming ingest 10 rows
    generateCSVDataFile(spark, idStart = 10, rowNums = 10, csvDataDir)
    val thread = createFileStreamingThread(spark, carbonTable, csvDataDir, intervalSecond = 1,
      identifier)
    thread.start()
    Thread.sleep(2000)
    generateCSVDataFile(spark, idStart = 30, rowNums = 10, csvDataDir)
    Thread.sleep(5000)
    thread.interrupt()
    checkAnswer(
      sql("select count(*) from streaming.stream_table_file"),
      Seq(Row(25))
    )

    val row = sql("select * from streaming.stream_table_file order by id").head()
    val exceptedRow = Row(10, "name_10", "city_10", 100000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))
    assertResult(exceptedRow)(row)
  }

  def loadData() {
    val identifier = new TableIdentifier("agg_table2", Option("streaming"))
    val carbonTable = CarbonEnv.getInstance(spark).carbonMetaStore.lookupRelation(identifier)(spark)
      .asInstanceOf[CarbonRelation].metaData.carbonTable
    val csvDataDir = new File("target/csvdatanew").getCanonicalPath
    // streaming ingest 10 rows
    generateCSVDataFile(spark, idStart = 10, rowNums = 5, csvDataDir)
    val thread = createFileStreamingThread(spark, carbonTable, csvDataDir, intervalSecond = 1,
      identifier)
    thread.start()
    Thread.sleep(2000)
    generateCSVDataFile(spark, idStart = 10, rowNums = 5, csvDataDir)
    Thread.sleep(5000)
    thread.interrupt()
  }

  // bad records
  test("streaming table with bad records action: fail") {
    executeStreamingIngest(
      tableName = "bad_record_fail",
      batchNums = 2,
      rowNumsEachBatch = 10,
      intervalOfSource = 1,
      intervalOfIngest = 1,
      continueSeconds = 8,
      generateBadRecords = true,
      badRecordAction = "fail",
      autoHandoff = false
    )
    val result = sql("select count(*) from streaming.bad_record_fail").collect()
    assert(result(0).getLong(0) < 10 + 5)
  }

  // ingest with different interval
  test("1 row per 1 second interval") {
    executeStreamingIngest(
      tableName = "stream_table_1s",
      batchNums = 3,
      rowNumsEachBatch = 1,
      intervalOfSource = 1,
      intervalOfIngest = 1,
      continueSeconds = 6,
      generateBadRecords = false,
      badRecordAction = "force",
      autoHandoff = false
    )
    val result = sql("select count(*) from streaming.stream_table_1s").collect()
    // 20 seconds can't ingest all data, exists data delay
    assert(result(0).getLong(0) >= 5)
  }

  test("query on stream table with dictionary, sort_columns") {
    val batchParts =
      partitionNums("select * from streaming.stream_table_filter")

    executeStreamingIngest(
      tableName = "stream_table_filter",
      batchNums = 2,
      rowNumsEachBatch = 25,
      intervalOfSource = 5,
      intervalOfIngest = 5,
      continueSeconds = 20,
      generateBadRecords = true,
      badRecordAction = "force",
      autoHandoff = false
    )

    val totalParts =
      partitionNums("select * from streaming.stream_table_filter")
    assert(totalParts > batchParts)

    val streamParts = totalParts - batchParts

    // non-filter
    val result = sql("select * from streaming.stream_table_filter order by id, name").collect()
    assert(result != null)
    assert(result.length == 55)
    // check one row of streaming data
    assert(result(1).isNullAt(0))
    assert(result(1).getString(1) == "name_6")
    // check one row of batch loading
    assert(result(50).getInt(0) == 100000001)
    assert(result(50).getString(1) == "batch_1")

    // filter
    assert(batchParts >= partitionNums("select * from stream_table_filter where id >= 100000001"))

    checkAnswer(
      sql("select * from stream_table_filter where id = 1"),
      Seq(Row(1, "name_1", "city_1", 10000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where id = 1"))

    checkAnswer(
      sql("select * from stream_table_filter where id > 49 and id < 100000002"),
      Seq(Row(50, "name_50", "city_50", 500000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0")),
        Row(100000001, "batch_1", "city_1", 0.1, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where id > 49 and id < 100000002"))

    checkAnswer(
      sql("select * from stream_table_filter where id between 50 and 100000001"),
      Seq(Row(50, "name_50", "city_50", 500000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0")),
        Row(100000001, "batch_1", "city_1", 0.1, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where id between 50 and 100000001"))

    checkAnswer(
      sql("select * from stream_table_filter where name in ('name_9','name_10', 'name_11', 'name_12') and id <> 10 and id not in (11, 12)"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where name in ('name_9','name_10', 'name_11', 'name_12') and id <> 10 and id not in (11, 12)"))

    checkAnswer(
      sql("select * from stream_table_filter where name = 'name_3'"),
      Seq(Row(3, "name_3", "city_3", 30000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where name = 'name_3'"))

    checkAnswer(
      sql("select * from stream_table_filter where name like '%me_3%' and id < 30"),
      Seq(Row(3, "name_3", "city_3", 30000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where name like '%me_3%' and id < 30"))

    checkAnswer(sql("select count(*) from stream_table_filter where name like '%ame%'"),
      Seq(Row(49)))
    assert(totalParts == partitionNums("select count(*) from stream_table_filter where name like '%ame%'"))

    checkAnswer(sql("select count(*) from stream_table_filter where name like '%batch%'"),
      Seq(Row(5)))
    assert(totalParts == partitionNums("select count(*) from stream_table_filter where name like '%batch%'"))

    checkAnswer(
      sql("select * from stream_table_filter where name >= 'name_3' and id < 4"),
      Seq(Row(3, "name_3", "city_3", 30000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where name >= 'name_3' and id < 4"))

    checkAnswer(
      sql("select * from stream_table_filter where id in (9, 10, 11, 12) and name <> 'name_10' and name not in ('name_11', 'name_12')"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where id in (9, 10, 11, 12) and name <> 'name_10' and name not in ('name_11', 'name_12')"))

    checkAnswer(
      sql("select * from stream_table_filter where city = 'city_1'"),
      Seq(Row(1, "name_1", "city_1", 10000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0")),
        Row(100000001, "batch_1", "city_1", 0.1, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where city = 'city_1'"))

    checkAnswer(
      sql("select * from stream_table_filter where city like '%ty_1%' and ( id < 10 or id >= 100000001)"),
      Seq(Row(1, "name_1", "city_1", 10000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0")),
        Row(100000001, "batch_1", "city_1", 0.1, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where city like '%ty_1%' and ( id < 10 or id >= 100000001)"))

    checkAnswer(sql("select count(*) from stream_table_filter where city like '%city%'"),
      Seq(Row(54)))
    assert(totalParts == partitionNums("select count(*) from stream_table_filter where city like '%city%'"))

    checkAnswer(
      sql("select * from stream_table_filter where city > 'city_09' and city < 'city_10'"),
      Seq(Row(1, "name_1", "city_1", 10000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0")),
        Row(100000001, "batch_1", "city_1", 0.1, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where city > 'city_09' and city < 'city_10'"))

    checkAnswer(
      sql("select * from stream_table_filter where city between 'city_09' and 'city_1'"),
      Seq(Row(1, "name_1", "city_1", 10000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0")),
        Row(100000001, "batch_1", "city_1", 0.1, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))

    checkAnswer(
      sql("select * from stream_table_filter where id in (9, 10, 11, 12) and city <> 'city_10' and city not in ('city_11', 'city_12')"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where id in (9, 10, 11, 12) and city <> 'city_10' and city not in ('city_11', 'city_12')"))

    checkAnswer(
      sql("select * from stream_table_filter where salary = 90000"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where salary = 90000"))

    checkAnswer(
      sql("select * from stream_table_filter where salary > 80000 and salary <= 100000"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(10, "name_10", "city_10", 100000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where salary > 80000 and salary <= 100000"))

    checkAnswer(
      sql("select * from stream_table_filter where salary between 80001 and 90000"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where salary between 80001 and 90000"))

    checkAnswer(
      sql("select * from stream_table_filter where id in (9, 10, 11, 12) and salary <> 100000.0 and salary not in (110000.0, 120000.0)"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where id in (9, 10, 11, 12) and salary <> 100000.0 and salary not in (110000.0, 120000.0)"))

    checkAnswer(
      sql("select * from stream_table_filter where tax = 0.04 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where tax = 0.04 and id < 100"))

    checkAnswer(
      sql("select * from stream_table_filter where tax >= 0.04 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where tax >= 0.04 and id < 100"))

    checkAnswer(
      sql("select * from stream_table_filter where tax < 0.05 and tax > 0.02 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where tax < 0.05 and tax > 0.02 and id < 100"))

    checkAnswer(
      sql("select * from stream_table_filter where tax between 0.02 and 0.04 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where tax between 0.02 and 0.04 and id < 100"))

    checkAnswer(
      sql("select * from stream_table_filter where id in (9, 10) and tax <> 0.01"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where id in (9, 10) and tax <> 0.01"))

    checkAnswer(
      sql("select * from stream_table_filter where percent = 80.04 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where percent = 80.04 and id < 100"))

    checkAnswer(
      sql("select * from stream_table_filter where percent >= 80.04 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where percent >= 80.04 and id < 100"))

    checkAnswer(
      sql("select * from stream_table_filter where percent < 80.05 and percent > 80.02 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where percent < 80.05 and percent > 80.02 and id < 100"))

    checkAnswer(
      sql("select * from stream_table_filter where percent between 80.02 and 80.05 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where percent between 80.02 and 80.05 and id < 100"))

    checkAnswer(
      sql("select * from stream_table_filter where id in (9, 10) and percent <> 80.01"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where id in (9, 10) and percent <> 80.01"))

    checkAnswer(
      sql("select * from stream_table_filter where birthday between '1990-01-04' and '1990-01-05'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000005, "batch_5", "city_5", 0.5, BigDecimal.valueOf(0.05), 80.05, Date.valueOf("1990-01-05"), Timestamp.valueOf("2010-01-05 10:01:01.0"), Timestamp.valueOf("2010-01-05 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where birthday between '1990-01-04' and '1990-01-05'"))

    checkAnswer(
      sql("select * from stream_table_filter where birthday = '1990-01-04'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where birthday = '1990-01-04'"))

    checkAnswer(
      sql("select * from stream_table_filter where birthday > '1990-01-03' and birthday <= '1990-01-04'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where birthday > '1990-01-03' and birthday <= '1990-01-04'"))

    checkAnswer(
      sql("select * from stream_table_filter where birthday between '1990-01-04' and '1990-01-05'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000005, "batch_5", "city_5", 0.5, BigDecimal.valueOf(0.05), 80.05, Date.valueOf("1990-01-05"), Timestamp.valueOf("2010-01-05 10:01:01.0"), Timestamp.valueOf("2010-01-05 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where birthday between '1990-01-04' and '1990-01-05'"))

    checkAnswer(
      sql("select * from stream_table_filter where id in (9, 10) and birthday <> '1990-01-01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where id in (9, 10) and birthday <> '1990-01-01'"))

    checkAnswer(
      sql("select * from stream_table_filter where register = '2010-01-04 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where register = '2010-01-04 10:01:01'"))

    checkAnswer(
      sql("select * from stream_table_filter where register > '2010-01-03 10:01:01' and register <= '2010-01-04 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where register > '2010-01-03 10:01:01' and register <= '2010-01-04 10:01:01'"))

    checkAnswer(
      sql("select * from stream_table_filter where register between '2010-01-04 10:01:01' and '2010-01-05 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000005, "batch_5", "city_5", 0.5, BigDecimal.valueOf(0.05), 80.05, Date.valueOf("1990-01-05"), Timestamp.valueOf("2010-01-05 10:01:01.0"), Timestamp.valueOf("2010-01-05 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where register between '2010-01-04 10:01:01' and '2010-01-05 10:01:01'"))

    checkAnswer(
      sql("select * from stream_table_filter where id in (9, 10) and register <> '2010-01-01 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where id in (9, 10) and register <> '2010-01-01 10:01:01'"))

    checkAnswer(
      sql("select * from stream_table_filter where updated = '2010-01-04 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where updated = '2010-01-04 10:01:01'"))

    checkAnswer(
      sql("select * from stream_table_filter where updated > '2010-01-03 10:01:01' and register <= '2010-01-04 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where updated > '2010-01-03 10:01:01' and register <= '2010-01-04 10:01:01'"))

    checkAnswer(
      sql("select * from stream_table_filter where updated between '2010-01-04 10:01:01' and '2010-01-05 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0")),
        Row(100000005, "batch_5", "city_5", 0.5, BigDecimal.valueOf(0.05), 80.05, Date.valueOf("1990-01-05"), Timestamp.valueOf("2010-01-05 10:01:01.0"), Timestamp.valueOf("2010-01-05 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where updated between '2010-01-04 10:01:01' and '2010-01-05 10:01:01'"))

    checkAnswer(
      sql("select * from stream_table_filter where id in (9, 10) and updated <> '2010-01-01 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"))))
    assert(streamParts >= partitionNums("select * from stream_table_filter where id in (9, 10) and updated <> '2010-01-01 10:01:01'"))

    checkAnswer(
      sql("select * from stream_table_filter where id is null order by name"),
      Seq(Row(null, "", "", null, null, null, null, null, null),
        Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts >= partitionNums("select * from stream_table_filter where id is null order by name"))

    checkAnswer(
      sql("select * from stream_table_filter where name = ''"),
      Seq(Row(null, "", "", null, null, null, null, null, null)))
    assert(streamParts >= partitionNums("select * from stream_table_filter where name = ''"))

    checkAnswer(
      sql("select * from stream_table_filter where id is null and name <> ''"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts == partitionNums("select * from stream_table_filter where id is null and name <> ''"))

    checkAnswer(
      sql("select * from stream_table_filter where city = ''"),
      Seq(Row(null, "", "", null, null, null, null, null, null)))
    assert(streamParts >= partitionNums("select * from stream_table_filter where city = ''"))

    checkAnswer(
      sql("select * from stream_table_filter where id is null and city <> ''"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts == partitionNums("select * from stream_table_filter where id is null and city <> ''"))

    checkAnswer(
      sql("select * from stream_table_filter where salary is null"),
      Seq(Row(null, "", "", null, null, null, null, null, null)))
    assert(totalParts == partitionNums("select * from stream_table_filter where salary is null"))

    checkAnswer(
      sql("select * from stream_table_filter where id is null and salary is not null"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts == partitionNums("select * from stream_table_filter where id is null and salary is not null"))

    checkAnswer(
      sql("select * from stream_table_filter where tax is null"),
      Seq(Row(null, "", "", null, null, null, null, null, null)))
    assert(totalParts == partitionNums("select * from stream_table_filter where tax is null"))

    checkAnswer(
      sql("select * from stream_table_filter where id is null and tax is not null"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts == partitionNums("select * from stream_table_filter where id is null and tax is not null"))

    checkAnswer(
      sql("select * from stream_table_filter where percent is null"),
      Seq(Row(null, "", "", null, null, null, null, null, null)))
    assert(totalParts == partitionNums("select * from stream_table_filter where percent is null"))

    checkAnswer(
      sql("select * from stream_table_filter where id is null and percent is not null"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts == partitionNums("select * from stream_table_filter where id is null and percent is not null"))

    checkAnswer(
      sql("select * from stream_table_filter where birthday is null"),
      Seq(Row(null, "", "", null, null, null, null, null, null)))
    assert(1 == partitionNums("select * from stream_table_filter where birthday is null"))

    checkAnswer(
      sql("select * from stream_table_filter where id is null and birthday is not null"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts == partitionNums("select * from stream_table_filter where id is null and birthday is not null"))

    checkAnswer(
      sql("select * from stream_table_filter where register is null"),
      Seq(Row(null, "", "", null, null, null, null, null, null)))
    assert(1 == partitionNums("select * from stream_table_filter where register is null"))

    checkAnswer(
      sql("select * from stream_table_filter where id is null and register is not null"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts == partitionNums("select * from stream_table_filter where id is null and register is not null"))

    checkAnswer(
      sql("select * from stream_table_filter where updated is null"),
      Seq(Row(null, "", "", null, null, null, null, null, null)))
    assert(3 == partitionNums("select * from stream_table_filter where updated is null"))

    checkAnswer(
      sql("select * from stream_table_filter where id is null and updated is not null"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))))
    assert(totalParts == partitionNums("select * from stream_table_filter where id is null and updated is not null"))

    // agg
    checkAnswer(
      sql("select count(*), max(id), min(name), cast(avg(id) as integer), sum(id) " +
          "from stream_table_filter where id >= 2 and id <= 100000004"),
      Seq(Row(51, 100000004, "batch_1", 7843162, 400001276)))
    assert(totalParts >= partitionNums(
      "select count(*), max(id), min(name), cast(avg(id) as integer), sum(id) " +
      "from stream_table_filter where id >= 2 and id <= 100000004"))

    checkAnswer(
      sql("select city, count(id), sum(id), cast(avg(id) as integer), " +
          "max(salary), min(salary) " +
          "from stream_table_filter " +
          "where name in ('batch_1', 'batch_2', 'batch_3', 'name_1', 'name_2', 'name_3') " +
          "and city <> '' " +
          "group by city " +
          "order by city"),
      Seq(Row("city_1", 2, 100000002, 50000001, 10000.0, 0.1),
        Row("city_2", 1, 100000002, 100000002, 0.2, 0.2),
        Row("city_3", 2, 100000006, 50000003, 30000.0, 0.3)))
    assert(totalParts >= partitionNums(
      "select city, count(id), sum(id), cast(avg(id) as integer), " +
      "max(salary), min(salary) " +
      "from stream_table_filter " +
      "where name in ('batch_1', 'batch_2', 'batch_3', 'name_1', 'name_2', 'name_3') " +
      "and city <> '' " +
      "group by city " +
      "order by city"))

    // batch loading
    for(_ <- 0 to 2) {
      executeBatchLoad("stream_table_filter")
    }
    checkAnswer(
      sql("select count(*) from streaming.stream_table_filter"),
      Seq(Row(25 * 2 + 5 + 5 * 3)))

    sql("alter table streaming.stream_table_filter compact 'minor'")
    Thread.sleep(5000)
    val result1 = sql("show segments for table streaming.stream_table_filter").collect()
    result1.foreach { row =>
      if (row.getString(0).equals("1")) {
        assertResult(SegmentStatus.STREAMING.getMessage)(row.getString(1))
        assertResult(FileFormat.ROW_V1.toString)(row.getString(5).toLowerCase)
      } else if (row.getString(0).equals("0.1")) {
        assertResult(SegmentStatus.SUCCESS.getMessage)(row.getString(1))
        assertResult(FileFormat.COLUMNAR_V3.toString)(row.getString(5).toLowerCase)
      } else {
        assertResult(SegmentStatus.COMPACTED.getMessage)(row.getString(1))
        assertResult(FileFormat.COLUMNAR_V3.toString)(row.getString(5).toLowerCase)
      }
    }

  }

  test("query on stream table with dictionary, sort_columns and complex column") {
    executeStreamingIngest(
      tableName = "stream_table_filter_complex",
      batchNums = 2,
      rowNumsEachBatch = 25,
      intervalOfSource = 5,
      intervalOfIngest = 5,
      continueSeconds = 20,
      generateBadRecords = true,
      badRecordAction = "force",
      autoHandoff = false
    )

    // non-filter
    val result = sql("select * from streaming.stream_table_filter_complex order by id, name").collect()
    assert(result != null)
    assert(result.length == 55)
    // check one row of streaming data
    assert(result(0).isNullAt(0))
    assert(result(0).getString(1) == "")
    assert(result(0).getStruct(9).isNullAt(1))
    // check one row of batch loading
    assert(result(50).getInt(0) == 100000001)
    assert(result(50).getString(1) == "batch_1")
    assert(result(50).getStruct(9).getInt(1) == 20)

    // filter
    checkAnswer(
      sql("select * from stream_table_filter_complex where id = 1"),
      Seq(Row(1, "name_1", "city_1", 10000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_1", "school_11")), 1))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where id > 49 and id < 100000002"),
      Seq(Row(50, "name_50", "city_50", 500000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_50", "school_5050")), 50)),
        Row(100000001, "batch_1", "city_1", 0.1, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_1", "school_11")), 20))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where id between 50 and 100000001"),
      Seq(Row(50, "name_50", "city_50", 500000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_50", "school_5050")), 50)),
        Row(100000001, "batch_1", "city_1", 0.1, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_1", "school_11")), 20))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where name = 'name_3'"),
      Seq(Row(3, "name_3", "city_3", 30000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_3", "school_33")), 3))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where name like '%me_3%' and id < 30"),
      Seq(Row(3, "name_3", "city_3", 30000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_3", "school_33")), 3))))

    checkAnswer(sql("select count(*) from stream_table_filter_complex where name like '%ame%'"),
      Seq(Row(49)))

    checkAnswer(sql("select count(*) from stream_table_filter_complex where name like '%batch%'"),
      Seq(Row(5)))

    checkAnswer(
      sql("select * from stream_table_filter_complex where name >= 'name_3' and id < 4"),
      Seq(Row(3, "name_3", "city_3", 30000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_3", "school_33")), 3))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where city = 'city_1'"),
      Seq(Row(1, "name_1", "city_1", 10000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_1", "school_11")), 1)),
        Row(100000001, "batch_1", "city_1", 0.1, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_1", "school_11")), 20))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where city like '%ty_1%' and ( id < 10 or id >= 100000001)"),
      Seq(Row(1, "name_1", "city_1", 10000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_1", "school_11")), 1)),
        Row(100000001, "batch_1", "city_1", 0.1, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_1", "school_11")), 20))))

    checkAnswer(sql("select count(*) from stream_table_filter_complex where city like '%city%'"),
      Seq(Row(54)))

    checkAnswer(
      sql("select * from stream_table_filter_complex where city > 'city_09' and city < 'city_10'"),
      Seq(Row(1, "name_1", "city_1", 10000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_1", "school_11")), 1)),
        Row(100000001, "batch_1", "city_1", 0.1, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_1", "school_11")), 20))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where city between 'city_09' and 'city_1'"),
      Seq(Row(1, "name_1", "city_1", 10000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_1", "school_11")), 1)),
        Row(100000001, "batch_1", "city_1", 0.1, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_1", "school_11")), 20))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where salary = 90000"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where salary > 80000 and salary <= 100000"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9)),
        Row(10, "name_10", "city_10", 100000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_10", "school_1010")), 10))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where salary between 80001 and 90000"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where tax = 0.04 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where tax >= 0.04 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where tax < 0.05 and tax > 0.02 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where tax between 0.02 and 0.04 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where percent = 80.04 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where percent >= 80.04 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where percent < 80.05 and percent > 80.02 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where percent between 80.02 and 80.05 and id < 100"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where birthday between '1990-01-04' and '1990-01-05'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9)),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_4", "school_44")), 50)),
        Row(100000005, "batch_5", "city_5", 0.5, BigDecimal.valueOf(0.05), 80.05, Date.valueOf("1990-01-05"), Timestamp.valueOf("2010-01-05 10:01:01.0"), Timestamp.valueOf("2010-01-05 10:01:01.0"), Row(wrap(Array("school_5", "school_55")), 60))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where birthday = '1990-01-04'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9)),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_4", "school_44")), 50))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where birthday > '1990-01-03' and birthday <= '1990-01-04'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9)),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_4", "school_44")), 50))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where birthday between '1990-01-04' and '1990-01-05'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9)),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_4", "school_44")), 50)),
        Row(100000005, "batch_5", "city_5", 0.5, BigDecimal.valueOf(0.05), 80.05, Date.valueOf("1990-01-05"), Timestamp.valueOf("2010-01-05 10:01:01.0"), Timestamp.valueOf("2010-01-05 10:01:01.0"), Row(wrap(Array("school_5", "school_55")), 60))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where register = '2010-01-04 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9)),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_4", "school_44")), 50))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where register > '2010-01-03 10:01:01' and register <= '2010-01-04 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9)),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_4", "school_44")), 50))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where register between '2010-01-04 10:01:01' and '2010-01-05 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9)),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_4", "school_44")),50)),
        Row(100000005, "batch_5", "city_5", 0.5, BigDecimal.valueOf(0.05), 80.05, Date.valueOf("1990-01-05"), Timestamp.valueOf("2010-01-05 10:01:01.0"), Timestamp.valueOf("2010-01-05 10:01:01.0"), Row(wrap(Array("school_5", "school_55")), 60))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where updated = '2010-01-04 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9)),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_4", "school_44")), 50))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where updated > '2010-01-03 10:01:01' and register <= '2010-01-04 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9)),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_4", "school_44")), 50))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where updated between '2010-01-04 10:01:01' and '2010-01-05 10:01:01'"),
      Seq(Row(9, "name_9", "city_9", 90000.0, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_9", "school_99")), 9)),
        Row(100000004, "batch_4", "city_4", 0.4, BigDecimal.valueOf(0.04), 80.04, Date.valueOf("1990-01-04"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Timestamp.valueOf("2010-01-04 10:01:01.0"), Row(wrap(Array("school_4", "school_44")), 50)),
        Row(100000005, "batch_5", "city_5", 0.5, BigDecimal.valueOf(0.05), 80.05, Date.valueOf("1990-01-05"), Timestamp.valueOf("2010-01-05 10:01:01.0"), Timestamp.valueOf("2010-01-05 10:01:01.0"), Row(wrap(Array("school_5", "school_55")), 60))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where id is null order by name"),
      Seq(Row(null, "", "", null, null, null, null, null, null, Row(wrap(Array(null)), null)),
        Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_6", "school_66")), 6))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where name = ''"),
      Seq(Row(null, "", "", null, null, null, null, null, null, Row(wrap(Array(null)), null))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where id is null and name <> ''"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_6", "school_66")), 6))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where city = ''"),
      Seq(Row(null, "", "", null, null, null, null, null, null, Row(wrap(Array(null)), null))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where id is null and city <> ''"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_6", "school_66")), 6))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where salary is null"),
      Seq(Row(null, "", "", null, null, null, null, null, null, Row(wrap(Array(null)), null))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where id is null and salary is not null"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_6", "school_66")), 6))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where tax is null"),
      Seq(Row(null, "", "", null, null, null, null, null, null, Row(wrap(Array(null)), null))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where id is null and tax is not null"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_6", "school_66")), 6))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where percent is null"),
      Seq(Row(null, "", "", null, null, null, null, null, null, Row(wrap(Array(null)), null))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where id is null and salary is not null"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_6", "school_66")), 6))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where birthday is null"),
      Seq(Row(null, "", "", null, null, null, null, null, null, Row(wrap(Array(null)), null))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where id is null and birthday is not null"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_6", "school_66")), 6))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where register is null"),
      Seq(Row(null, "", "", null, null, null, null, null, null, Row(wrap(Array(null)), null))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where id is null and register is not null"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_6", "school_66")), 6))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where updated is null"),
      Seq(Row(null, "", "", null, null, null, null, null, null, Row(wrap(Array(null)), null))))

    checkAnswer(
      sql("select * from stream_table_filter_complex where id is null and updated is not null"),
      Seq(Row(null, "name_6", "city_6", 60000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Row(wrap(Array("school_6", "school_66")), 6))))

    // agg
    checkAnswer(
      sql("select count(*), max(id), min(name), cast(avg(file.age) as integer), sum(file.age) " +
          "from stream_table_filter_complex where id >= 2 and id <= 100000004"),
      Seq(Row(51, 100000004, "batch_1", 27, 1406)))

    checkAnswer(
      sql("select city, count(id), sum(id), cast(avg(file.age) as integer), " +
          "max(salary), min(salary) " +
          "from stream_table_filter_complex " +
          "where name in ('batch_1', 'batch_2', 'batch_3', 'name_1', 'name_2', 'name_3') " +
          "and city <> '' " +
          "group by city " +
          "order by city"),
      Seq(Row("city_1", 2, 100000002, 10, 10000.0, 0.1),
        Row("city_2", 1, 100000002, 30, 0.2, 0.2),
        Row("city_3", 2, 100000006, 21, 30000.0, 0.3)))
  }

  test("test deleting streaming segment by ID while ingesting") {
    executeStreamingIngest(
      tableName = "stream_table_delete_id",
      batchNums = 3,
      rowNumsEachBatch = 100,
      intervalOfSource = 5,
      intervalOfIngest = 5,
      continueSeconds = 18,
      generateBadRecords = false,
      badRecordAction = "force",
      handoffSize = 1,
      autoHandoff = false
    )
    val beforeDelete = sql("show segments for table streaming.stream_table_delete_id").collect()
    val segmentIds1 = beforeDelete.filter(_.getString(1).equals("Streaming")).map(_.getString(0)).mkString(",")
    val msg = intercept[Exception] {
      sql(s"delete from table streaming.stream_table_delete_id where segment.id in ($segmentIds1) ")
    }
    assertResult(s"Delete segment by Id is failed. Invalid ID is: ${beforeDelete.length -1}")(msg.getMessage)

    val segmentIds2 = beforeDelete.filter(_.getString(1).equals("Streaming Finish"))
      .map(_.getString(0)).mkString(",")
    sql(s"delete from table streaming.stream_table_delete_id where segment.id in ($segmentIds2) ")
    val afterDelete = sql("show segments for table streaming.stream_table_delete_id").collect()
    afterDelete.filter(!_.getString(1).equals("Streaming")).foreach { row =>
      assertResult(SegmentStatus.MARKED_FOR_DELETE.getMessage)(row.getString(1))
    }
  }

  test("test deleting streaming segment by date while ingesting") {
    executeStreamingIngest(
      tableName = "stream_table_delete_date",
      batchNums = 3,
      rowNumsEachBatch = 100,
      intervalOfSource = 5,
      intervalOfIngest = 5,
      continueSeconds = 18,
      generateBadRecords = false,
      badRecordAction = "force",
      handoffSize = 1,
      autoHandoff = false)
    val beforeDelete = sql("show segments for table streaming.stream_table_delete_date").collect()
    sql(s"delete from table streaming.stream_table_delete_date where segment.starttime before " +
        s"'2999-10-01 01:00:00'")
    val segmentIds = beforeDelete.filter(_.getString(1).equals("Streaming"))
    assertResult(1)(segmentIds.length)
    val afterDelete = sql("show segments for table streaming.stream_table_delete_date").collect()
    afterDelete.filter(!_.getString(1).equals("Streaming")).foreach { row =>
      assertResult(SegmentStatus.MARKED_FOR_DELETE.getMessage)(row.getString(1))
    }
  }

  test("reject alter streaming properties and handoff 'streaming finish' segment to columnar segment") {
    try {
      sql("ALTER TABLE streaming.stream_table_handoff UNSET TBLPROPERTIES IF EXISTS ('streaming')")
      assert(false, "unsupport to unset streaming property")
    } catch {
      case _: Throwable =>
        assert(true)
    }
    try {
      sql("ALTER TABLE streaming.stream_table_handoff SET TBLPROPERTIES('streaming'='true')")
      executeStreamingIngest(
        tableName = "stream_table_handoff",
        batchNums = 2,
        rowNumsEachBatch = 100,
        intervalOfSource = 5,
        intervalOfIngest = 5,
        continueSeconds = 20,
        generateBadRecords = false,
        badRecordAction = "force",
        handoffSize = 1L,
        autoHandoff = false
      )
    } catch {
      case _: Throwable =>
        assert(false, "should support set table to streaming")
    }

    // alter streaming table's streaming property
    val msg = intercept[MalformedCarbonCommandException](sql("alter table streaming.stream_table_handoff set tblproperties('streaming'='false')"))
    assertResult("Streaming property can not be changed once it is 'true'")(msg.getMessage)

    val segments = sql("show segments for table streaming.stream_table_handoff").collect()
    assert(segments.length == 2 || segments.length == 3)
    assertResult("Streaming")(segments(0).getString(1))
    assertResult("Streaming Finish")(segments(1).getString(1))
    checkAnswer(
      sql("select count(*) from streaming.stream_table_handoff"),
      Seq(Row(2 * 100))
    )

    val resultBeforeHandoff = sql("select * from streaming.stream_table_handoff order by id, name").collect()
    sql("alter table streaming.stream_table_handoff compact 'streaming'")
    Thread.sleep(5000)
    val resultAfterHandoff = sql("select * from streaming.stream_table_handoff order by id, name").collect()
    assertResult(resultBeforeHandoff)(resultAfterHandoff)
    val newSegments = sql("show segments for table streaming.stream_table_handoff").collect()
    assert(newSegments.length == 3 || newSegments.length == 5)
    assertResult("Streaming")(newSegments((newSegments.length - 1) / 2).getString(1))
    (0 until (newSegments.length - 1) / 2).foreach{ i =>
      assertResult("Success")(newSegments(i).getString(1))
    }
    ((newSegments.length + 1) / 2 until newSegments.length).foreach{ i =>
      assertResult("Compacted")(newSegments(i).getString(1))
    }

    sql("alter table streaming.stream_table_handoff finish streaming")
    val newSegments1 = sql("show segments for table streaming.stream_table_handoff").collect()
    assertResult("Streaming Finish")(newSegments1((newSegments.length - 1) / 2).getString(1))

    checkAnswer(
      sql("select count(*) from streaming.stream_table_handoff"),
      Seq(Row(2 * 100))
    )
    try{
      if (newSegments1.length == 3 ) {
        sql("set carbon.input.segments.streaming.stream_table_handoff = 1")
        val segment1 = sql("select * from streaming.stream_table_handoff").count()
        sql("set carbon.input.segments.streaming.stream_table_handoff = 2")
        val segment2 = sql("select * from streaming.stream_table_handoff").count()
        assertResult(2 * 100) (segment1 + segment2)

        sql("set carbon.input.segments.streaming.stream_table_handoff = *")
        checkAnswer(
          sql("select count(*) from streaming.stream_table_handoff"),
          Seq(Row(2 * 100))
        )

        sql("set carbon.input.segments.streaming.stream_table_handoff = 1,2")
        checkAnswer(
          sql("select count(*) from streaming.stream_table_handoff"),
          Seq(Row(2 * 100))
        )
        sql("set carbon.input.segments.streaming.stream_table_handoff = 0,3")
        checkAnswer(
          sql("select count(*) from streaming.stream_table_handoff"),
          Seq(Row(0))
        )
      } else if (newSegments1.length == 5) {
        sql("set carbon.input.segments.streaming.stream_table_handoff = 2")
        val segment2 = sql("select * from streaming.stream_table_handoff").count()

        sql("set carbon.input.segments.streaming.stream_table_handoff = 3,4")
        val segment34 = sql("select * from streaming.stream_table_handoff").count()
        assertResult(2 * 100) (segment2 + segment34)

        sql("set carbon.input.segments.streaming.stream_table_handoff = *")
        checkAnswer(
          sql("select count(*) from streaming.stream_table_handoff"),
          Seq(Row(2 * 100))
        )

        sql("set carbon.input.segments.streaming.stream_table_handoff = 2,3,4")
        checkAnswer(
          sql("select count(*) from streaming.stream_table_handoff"),
          Seq(Row(2 * 100))
        )

        sql("set carbon.input.segments.streaming.stream_table_handoff = 0,1,5")
        checkAnswer(
          sql("select count(*) from streaming.stream_table_handoff"),
          Seq(Row(0))
        )
      }
    }
    finally {
      sql("set carbon.input.segments.streaming.stream_table_handoff = *")
    }
  }

  test("auto hand off, close and reopen streaming table") {
    sql("alter table streaming.stream_table_reopen compact 'close_streaming'")
    sql("ALTER TABLE streaming.stream_table_reopen SET TBLPROPERTIES('streaming'='true')")

    executeStreamingIngest(
      tableName = "stream_table_reopen",
      batchNums = 2,
      rowNumsEachBatch = 100,
      intervalOfSource = 5,
      intervalOfIngest = 5,
      continueSeconds = 20,
      generateBadRecords = false,
      badRecordAction = "force",
      handoffSize = 1L,
      autoHandoff = false
    )
    val table1 =
      CarbonEnv.getCarbonTable(Option("streaming"), "stream_table_reopen")(spark)
    assertResult(true)(table1.isStreamingSink)

    sql("alter table streaming.stream_table_reopen compact 'close_streaming'")

    val segments =
      sql("show segments for table streaming.stream_table_reopen").collect()
    assert(segments.length == 4 || segments.length == 6)
    assertResult(segments.length / 2)(segments.filter(_.getString(1).equals("Success")).length)
    assertResult(segments.length / 2)(segments.filter(_.getString(1).equals("Compacted")).length)

    checkAnswer(
      sql("select count(*) from streaming.stream_table_reopen"),
      Seq(Row(2 * 100))
    )

    val table2 =
      CarbonEnv.getCarbonTable(Option("streaming"), "stream_table_reopen")(spark)
    assertResult(false)(table2.isStreamingSink)

    sql("ALTER TABLE streaming.stream_table_reopen SET TBLPROPERTIES('streaming'='true')")

    val table3 =
      CarbonEnv.getCarbonTable(Option("streaming"), "stream_table_reopen")(spark)
    assertResult(true)(table3.isStreamingSink)

    executeStreamingIngest(
      tableName = "stream_table_reopen",
      batchNums = 2,
      rowNumsEachBatch = 100,
      intervalOfSource = 5,
      intervalOfIngest = 5,
      continueSeconds = 20,
      generateBadRecords = false,
      badRecordAction = "force",
      handoffSize = 1L,
      autoHandoff = true
    )
    Thread.sleep(10000)
    val newSegments1 =
      sql("show segments for table streaming.stream_table_reopen").collect()
    assert(newSegments1.length == 7 || newSegments1.length == 9 || newSegments1.length == 11)
    assertResult(1)(newSegments1.filter(_.getString(1).equals("Streaming")).length)
    assertResult((newSegments1.length - 1) / 2)(newSegments1.filter(_.getString(1).equals("Success")).length)
    assertResult((newSegments1.length - 1) / 2)(newSegments1.filter(_.getString(1).equals("Compacted")).length)

    sql("alter table streaming.stream_table_reopen compact 'close_streaming'")
    val newSegments =
      sql("show segments for table streaming.stream_table_reopen").collect()
    assert(newSegments.length == 8 || newSegments.length == 10 || newSegments.length == 12)
    assertResult(newSegments.length / 2)(newSegments.filter(_.getString(1).equals("Success")).length)
    assertResult(newSegments.length / 2)(newSegments.filter(_.getString(1).equals("Compacted")).length)

    //Verify MergeTO column entry for compacted Segments
    newSegments.filter(_.getString(1).equals("Compacted")).foreach{ rw =>
      assertResult("Compacted")(rw.getString(1))
      assert(Integer.parseInt(rw.getString(0)) < Integer.parseInt(rw.getString(4)))
    }
    checkAnswer(
      sql("select count(*) from streaming.stream_table_reopen"),
      Seq(Row(2 * 100 * 2))
    )
  }

  test("block drop streaming table while streaming is in progress") {
    val identifier = new TableIdentifier("stream_table_drop", Option("streaming"))
    val carbonTable = CarbonEnv.getInstance(spark).carbonMetaStore.lookupRelation(identifier)(spark)
      .asInstanceOf[CarbonRelation].metaData.carbonTable
    var server: ServerSocket = null
    try {
      server = getServerSocket
      val thread1 = createWriteSocketThread(server, 2, 10, 3)
      val thread2 = createSocketStreamingThread(spark, server.getLocalPort, carbonTable, identifier, "force", 5, 1024L * 200, false)
      thread1.start()
      thread2.start()
      Thread.sleep(1000)
      val msg = intercept[ProcessMetaDataException] {
        sql(s"drop table streaming.stream_table_drop")
      }
      assert(msg.getMessage.contains("Dropping table streaming.stream_table_drop failed: Acquire table lock failed after retry, please try after some time"))
      thread1.interrupt()
      thread2.interrupt()
    } finally {
      if (server != null) {
        server.close()
      }
    }
  }

  test("check streaming property of table") {
    checkExistence(sql("DESC FORMATTED batch_table"), true, "Streaming")
    val result =
      sql("DESC FORMATTED batch_table").collect().filter(_.getString(0).trim.equals("Streaming"))
    assertResult(1)(result.length)
    assertResult("false")(result(0).getString(1).trim)

    checkExistence(sql("DESC FORMATTED stream_table_file"), true, "Streaming")
    val resultStreaming = sql("DESC FORMATTED stream_table_file").collect()
      .filter(_.getString(0).trim.equals("Streaming"))
    assertResult(1)(resultStreaming.length)
    assertResult("sink")(resultStreaming(0).getString(1).trim)
  }


  test("test bad_record_action IGNORE on streaming table") {
    sql("drop table if exists streaming.bad_record_ignore")
    sql(
      s"""
         | CREATE TABLE streaming.bad_record_ignore(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT
         | )
         | STORED BY 'carbondata'
         | TBLPROPERTIES('streaming'='true')
         | """.stripMargin)

    executeStreamingIngest(
      tableName = "bad_record_ignore",
      batchNums = 2,
      rowNumsEachBatch = 10,
      intervalOfSource = 1,
      intervalOfIngest = 1,
      continueSeconds = 8,
      generateBadRecords = true,
      badRecordAction = "ignore",
      autoHandoff = false
    )

    checkAnswer(sql("select count(*) from streaming.bad_record_ignore"), Seq(Row(19)))
  }

  test("test bad_record_action REDIRECT on streaming table") {
    sql("drop table if exists streaming.bad_record_redirect")
    sql(
      s"""
         | CREATE TABLE streaming.bad_record_redirect(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT
         | )
         | STORED BY 'carbondata'
         | TBLPROPERTIES('streaming'='true')
         | """.stripMargin)

    executeStreamingIngest(
      tableName = "bad_record_redirect",
      batchNums = 2,
      rowNumsEachBatch = 10,
      intervalOfSource = 1,
      intervalOfIngest = 1,
      continueSeconds = 8,
      generateBadRecords = true,
      badRecordAction = "redirect",
      autoHandoff = false,
      badRecordsPath = badRecordFilePath.getCanonicalPath)
    assert(new File(badRecordFilePath.getCanonicalFile + "/streaming/bad_record_redirect").isDirectory)
    checkAnswer(sql("select count(*) from streaming.bad_record_redirect"), Seq(Row(19)))
  }

  test("StreamSQL: create and drop a stream") {
    sql("DROP TABLE IF EXISTS source")
    sql("DROP TABLE IF EXISTS sink")

    var rows = sql("SHOW STREAMS").collect()
    assertResult(0)(rows.length)

    val csvDataDir = integrationPath + "/spark2/target/streamSql"
    // streaming ingest 10 rows
    generateCSVDataFile(spark, idStart = 10, rowNums = 10, csvDataDir)

    sql(
      s"""
         |CREATE TABLE source(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         |)
         |STORED AS carbondata
         |TBLPROPERTIES (
         | 'streaming'='source',
         | 'format'='csv',
         | 'path'='$csvDataDir'
         |)
      """.stripMargin)

    sql(
      s"""
         |CREATE TABLE sink(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         | )
         |STORED AS carbondata
         |TBLPROPERTIES('streaming'='sink')
      """.stripMargin)

    sql(
      """
        |CREATE STREAM stream123 ON TABLE sink
        |STMPROPERTIES(
        |  'trigger'='ProcessingTime',
        |  'interval'='5 seconds')
        |AS
        |  SELECT *
        |  FROM source
        |  WHERE id % 2 = 1
      """.stripMargin).show(false)

    Thread.sleep(200)
    sql("select * from sink").show

    generateCSVDataFile(spark, idStart = 30, rowNums = 10, csvDataDir, SaveMode.Append)
    Thread.sleep(7000)

    // after 2 minibatch, there should be 10 row added (filter condition: id%2=1)
    checkAnswer(sql("select count(*) from sink"), Seq(Row(10)))

    val row = sql("select * from sink order by id").head()
    val exceptedRow = Row(11, "name_11", "city_11", 110000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))
    assertResult(exceptedRow)(row)

    sql("SHOW STREAMS").show(false)

    rows = sql("SHOW STREAMS").collect()
    assertResult(1)(rows.length)
    assertResult("stream123")(rows.head.getString(0))
    assertResult("RUNNING")(rows.head.getString(2))
    assertResult("streaming.source")(rows.head.getString(3))
    assertResult("streaming.sink")(rows.head.getString(4))

    rows = sql("SHOW STREAMS ON TABLE sink").collect()
    assertResult(1)(rows.length)
    assertResult("stream123")(rows.head.getString(0))
    assertResult("RUNNING")(rows.head.getString(2))
    assertResult("streaming.source")(rows.head.getString(3))
    assertResult("streaming.sink")(rows.head.getString(4))

    sql("DROP STREAM stream123")
    sql("DROP STREAM IF EXISTS stream123")

    rows = sql("SHOW STREAMS").collect()
    assertResult(0)(rows.length)

    sql("DROP TABLE IF EXISTS source")
    sql("DROP TABLE IF EXISTS sink")
  }

  test("StreamSQL: create and drop a stream with Load options") {
    sql("DROP TABLE IF EXISTS source")
    sql("DROP TABLE IF EXISTS sink")

    var rows = sql("SHOW STREAMS").collect()
    assertResult(0)(rows.length)

    val csvDataDir = integrationPath + "/spark2/target/streamSql"
    // streaming ingest 10 rows
    generateCSVDataFile(spark, idStart = 10, rowNums = 10, csvDataDir)

    sql(
      s"""
         |CREATE TABLE source(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         |)
         |STORED AS carbondata
         |TBLPROPERTIES (
         | 'streaming'='source',
         | 'format'='csv',
         | 'path'='$csvDataDir'
         |)
      """.stripMargin)

    sql(
      s"""
         |CREATE TABLE sink(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         | )
         |STORED AS carbondata
         |TBLPROPERTIES('streaming'='sink')
      """.stripMargin)

    sql(
      s"""
        |CREATE STREAM stream123 ON TABLE sink
        |STMPROPERTIES(
        |  'trigger'='ProcessingTime',
        |  'interval'='1 seconds',
        |  'BAD_RECORDS_LOGGER_ENABLE' = 'FALSE',
        |  'BAD_RECORDS_ACTION' = 'FORCE',
        |  'BAD_RECORD_PATH'='$warehouse')
        |AS
        |  SELECT *
        |  FROM source
        |  WHERE id % 2 = 1
      """.stripMargin).show(false)
    sql(
      s"""
        |CREATE STREAM IF NOT EXISTS stream123 ON TABLE sink
        |STMPROPERTIES(
        |  'trigger'='ProcessingTime',
        |  'interval'='1 seconds',
        |  'BAD_RECORDS_LOGGER_ENABLE' = 'FALSE',
        |  'BAD_RECORDS_ACTION' = 'FORCE',
        |  'BAD_RECORD_PATH'='$warehouse')
        |AS
        |  SELECT *
        |  FROM source
        |  WHERE id % 2 = 1
      """.stripMargin).show(false)
    Thread.sleep(200)
    sql("select * from sink").show

    generateCSVDataFile(spark, idStart = 30, rowNums = 10, csvDataDir, SaveMode.Append)
    Thread.sleep(5000)

    // after 2 minibatch, there should be 10 row added (filter condition: id%2=1)
    checkAnswer(sql("select count(*) from sink"), Seq(Row(10)))

    val row = sql("select * from sink order by id").head()
    val exceptedRow = Row(11, "name_11", "city_11", 110000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))
    assertResult(exceptedRow)(row)

    sql("SHOW STREAMS").show(false)

    rows = sql("SHOW STREAMS").collect()
    assertResult(1)(rows.length)
    assertResult("stream123")(rows.head.getString(0))
    assertResult("RUNNING")(rows.head.getString(2))
    assertResult("streaming.source")(rows.head.getString(3))
    assertResult("streaming.sink")(rows.head.getString(4))

    rows = sql("SHOW STREAMS ON TABLE sink").collect()
    assertResult(1)(rows.length)
    assertResult("stream123")(rows.head.getString(0))
    assertResult("RUNNING")(rows.head.getString(2))
    assertResult("streaming.source")(rows.head.getString(3))
    assertResult("streaming.sink")(rows.head.getString(4))

    sql("DROP STREAM stream123")
    sql("DROP STREAM IF EXISTS stream123")

    rows = sql("SHOW STREAMS").collect()
    assertResult(0)(rows.length)

    sql("DROP TABLE IF EXISTS source")
    sql("DROP TABLE IF EXISTS sink")
  }

  test("StreamSQL: create stream without interval ") {
    sql("DROP TABLE IF EXISTS source")
    sql("DROP TABLE IF EXISTS sink")

    val csvDataDir = integrationPath + "/spark2/target/streamsql"
    // streaming ingest 10 rows
    generateCSVDataFile(spark, idStart = 10, rowNums = 10, csvDataDir)

    sql(
      s"""
         |CREATE TABLE source(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         |)
         |STORED AS carbondata
         |TBLPROPERTIES (
         | 'streaming'='source',
         | 'format'='csv',
         | 'path'='$csvDataDir'
         |)
      """.stripMargin)
    sql(
      s"""
         |CREATE TABLE sink(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         | )
         |STORED AS carbondata
         |TBLPROPERTIES('streaming'='sink')
      """.stripMargin)
    val ex = intercept[MalformedCarbonCommandException] {
      sql(
        """
          |CREATE STREAM stream456 ON TABLE sink
          |STMPROPERTIES(
          |  'trigger'='ProcessingTime')
          |AS
          |  SELECT *
          |  FROM source
          |  WHERE id % 2 = 1
        """.stripMargin)
    }
    assert(ex.getMessage.contains("interval must be specified"))
    sql("DROP TABLE IF EXISTS source")
    sql("DROP TABLE IF EXISTS sink")
  }

  test("StreamSQL: create stream on non exist stream source table") {
    sql("DROP TABLE IF EXISTS sink")
    sql(
      s"""
         |CREATE TABLE sink(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         | )
         |STORED AS carbondata
         |TBLPROPERTIES('streaming'='true')
      """.stripMargin)

    val ex = intercept[AnalysisException] {
      sql(
        """
          |CREATE STREAM stream123 ON TABLE sink
          |STMPROPERTIES(
          |  'trigger'='ProcessingTime',
          |  'interval'='1 seconds')
          |AS
          |  SELECT *
          |  FROM source
          |  WHERE id % 2 = 1
        """.stripMargin).show(false)
    }
    sql("DROP TABLE IF EXISTS sink")
  }

  test("StreamSQL: create stream source using carbon file") {
    sql("DROP TABLE IF EXISTS source")
    sql("DROP TABLE IF EXISTS sink")

    sql(
      s"""
         |CREATE TABLE source(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         |)
         |STORED AS carbondata
         |TBLPROPERTIES (
         | 'streaming'='source'
         |)
      """.stripMargin)

    sql(
      s"""
         |CREATE TABLE sink(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         | )
         |STORED AS carbondata
         |TBLPROPERTIES('streaming'='sink')
      """.stripMargin)

    val ex = intercept[MalformedCarbonCommandException] {
      sql(
        """
          |CREATE STREAM stream123 ON TABLE sink
          |STMPROPERTIES(
          |  'trigger'='ProcessingTime',
          |  'interval'='1 seconds')
          |AS
          |  SELECT *
          |  FROM source
          |  WHERE id % 2 = 1
        """.stripMargin)
    }
    assert(ex.getMessage.contains("Streaming from carbon file is not supported"))

    sql("DROP TABLE IF EXISTS source")
    sql("DROP TABLE IF EXISTS sink")
  }

  test("StreamSQL: start stream on non-stream table") {
    sql("DROP TABLE IF EXISTS source")
    sql("DROP TABLE IF EXISTS sink")

    sql(
      s"""
         |CREATE TABLE notsource(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         | )
         |STORED AS carbondata
      """.stripMargin)
    sql(
      s"""
         |CREATE TABLE sink(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         | )
         |STORED AS carbondata
         |TBLPROPERTIES('streaming'='true')
      """.stripMargin)

    val ex = intercept[MalformedCarbonCommandException] {
      sql(
        """
          |CREATE STREAM stream456 ON TABLE sink
          |STMPROPERTIES(
          |  'trigger'='ProcessingTime',
          |  'interval'='1 seconds')
          |AS
          |  SELECT *
          |  FROM notsource
          |  WHERE id % 2 = 1
        """.stripMargin).show(false)
    }
    assert(ex.getMessage.contains("Must specify stream source table in the stream query"))
    sql("DROP TABLE sink")
  }

  test("StreamSQL: drop stream on non exist table") {
    val ex = intercept[NoSuchStreamException] {
      sql("DROP STREAM streamyyy")
    }
    assert(ex.getMessage.contains("stream 'streamyyy' not found"))
  }

  test("StreamSQL: show streams on non-exist table") {
    val ex = intercept[NoSuchTableException] {
      sql("SHOW STREAMS ON TABLE ddd")
    }
    assert(ex.getMessage.contains("'ddd' not found"))
  }

  test("StreamSQL: stream join dimension table") {
    sql("DROP TABLE IF EXISTS source")
    sql("DROP TABLE IF EXISTS sink")
    sql("DROP TABLE IF EXISTS dimension")

    sql(
      s"""
         |CREATE TABLE dim(
         |  id INT,
         |  name STRING,
         |  country STRING
         |)
         |STORED AS carbondata
       """.stripMargin)
    val inputDir = integrationPath + "/spark2/target/streamDim"
    import spark.implicits._
    spark.createDataset(Seq((1, "alice", "india"), (2, "bob", "france"), (3, "chris", "canada")))
      .write.mode("overwrite").csv(inputDir)
    sql(s"LOAD DATA INPATH '$inputDir' INTO TABLE dim OPTIONS('header'='false')")
    sql("SELECT * FROM dim").show

    var rows = sql("SHOW STREAMS").collect()
    assertResult(0)(rows.length)

    val csvDataDir = integrationPath + "/spark2/target/streamSql"
    // streaming ingest 10 rows
    generateCSVDataFile(spark, idStart = 10, rowNums = 10, csvDataDir, SaveMode.Overwrite, false)

    sql(
      s"""
         |CREATE TABLE source(
         | id INT,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         |)
         |STORED AS carbondata
         |TBLPROPERTIES (
         | 'streaming'='source',
         | 'format'='csv',
         | 'path'='$csvDataDir'
         |)
      """.stripMargin)

    sql(
      s"""
         |CREATE TABLE sink(
         | id INT,
         | name STRING,
         | country STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         | )
         |STORED AS carbondata
         |TBLPROPERTIES('streaming'='sink')
      """.stripMargin)

    sql(
      """
        |CREATE STREAM stream123 ON TABLE sink
        |STMPROPERTIES(
        |  'trigger'='ProcessingTime',
        |  'interval'='1 seconds')
        |AS
        |  SELECT s.id, d.name, d.country, s.salary, s.tax, s.percent, s.birthday, s.register, s.updated
        |  FROM source s
        |  JOIN dim d ON s.id = d.id
      """.stripMargin).show(false)

    Thread.sleep(2000)
    sql("select * from sink").show

    generateCSVDataFile(spark, idStart = 30, rowNums = 10, csvDataDir, SaveMode.Append, false)
    Thread.sleep(5000)

    // after 2 minibatch, there should be 10 row added (filter condition: id%2=1)
    checkAnswer(sql("select count(*) from sink"), Seq(Row(20)))

    sql("select * from sink order by id").show
    val row = sql("select * from sink order by id, salary").head()
    val exceptedRow = Row(1, "alice", "india", 120000.0, BigDecimal.valueOf(0.01), 80.01, Date.valueOf("1990-01-01"), Timestamp.valueOf("2010-01-01 10:01:01.0"), Timestamp.valueOf("2010-01-01 10:01:01.0"))
    assertResult(exceptedRow)(row)

    sql("DROP STREAM stream123")
    sql("DROP TABLE IF EXISTS source")
    sql("DROP TABLE IF EXISTS sink")
    sql("DROP TABLE IF EXISTS dim")
  }

  // test empty batch
  test("test empty batch") {
    executeStreamingIngest(
      tableName = "stream_table_empty",
      batchNums = 1,
      rowNumsEachBatch = 10,
      intervalOfSource = 1,
      intervalOfIngest = 3,
      continueSeconds = 10,
      generateBadRecords = false,
      badRecordAction = "force",
      autoHandoff = false
    )
    var result = sql("select count(*) from streaming.stream_table_empty").collect()
    assert(result(0).getLong(0) == 10)

    // clean checkpointDir and logDir
    val carbonTable = CarbonEnv.getCarbonTable(Option("streaming"), "stream_table_empty")(spark)
    FileFactory
      .deleteAllFilesOfDir(new File(CarbonTablePath.getStreamingLogDir(carbonTable.getTablePath)))
    FileFactory
      .deleteAllFilesOfDir(new File(CarbonTablePath
        .getStreamingCheckpointDir(carbonTable.getTablePath)))

    // some batches don't have data
    executeStreamingIngest(
      tableName = "stream_table_empty",
      batchNums = 1,
      rowNumsEachBatch = 1,
      intervalOfSource = 1,
      intervalOfIngest = 1,
      continueSeconds = 10,
      generateBadRecords = false,
      badRecordAction = "force",
      autoHandoff = false
    )
    result = sql("select count(*) from streaming.stream_table_empty").collect()
    assert(result(0).getLong(0) == 11)
  }

  def createWriteSocketThread(
      serverSocket: ServerSocket,
      writeNums: Int,
      rowNums: Int,
      intervalSecond: Int,
      badRecords: Boolean = false): Thread = {
    new Thread() {
      override def run(): Unit = {
        // wait for client to connection request and accept
        val clientSocket = serverSocket.accept()
        val socketWriter = new PrintWriter(clientSocket.getOutputStream())
        var index = 0
        for (_ <- 1 to writeNums) {
          // write 5 records per iteration
          val stringBuilder = new StringBuilder()
          for (_ <- 1 to rowNums) {
            index = index + 1
            if (badRecords) {
              if (index == 2) {
                // null value
                stringBuilder.append(",,,,,,,,,")
              } else if (index == 6) {
                // illegal number
                stringBuilder.append(index.toString + "abc,name_" + index
                                     + ",city_" + index + "," + (10000.00 * index).toString + ",0.01,80.01" +
                                     ",1990-01-01,2010-01-01 10:01:01,2010-01-01 10:01:01" +
                                     ",school_" + index + "\002school_" + index + index + "\001" + index)
              } else if (index == 9) {
                stringBuilder.append(index.toString + ",name_" + index
                                     + ",city_" + index + "," + (10000.00 * index).toString + ",0.04,80.04" +
                                     ",1990-01-04,2010-01-04 10:01:01,2010-01-04 10:01:01" +
                                     ",school_" + index + "\002school_" + index + index + "\001" + index)
              } else {
                stringBuilder.append(index.toString + ",name_" + index
                                     + ",city_" + index + "," + (10000.00 * index).toString + ",0.01,80.01" +
                                     ",1990-01-01,2010-01-01 10:01:01,2010-01-01 10:01:01" +
                                     ",school_" + index + "\002school_" + index + index + "\001" + index)
              }
            } else {
              stringBuilder.append(index.toString + ",name_" + index
                                   + ",city_" + index + "," + (10000.00 * index).toString + ",0.01,80.01" +
                                   ",1990-01-01,2010-01-01 10:01:01,2010-01-01 10:01:01" +
                                   ",school_" + index + "\002school_" + index + index + "\001" + index)
            }
            stringBuilder.append("\n")
          }
          socketWriter.append(stringBuilder.toString())
          socketWriter.flush()
          Thread.sleep(1000 * intervalSecond)
        }
        socketWriter.close()
      }
    }
  }

  def createSocketStreamingThread(
      spark: SparkSession,
      port: Int,
      carbonTable: CarbonTable,
      tableIdentifier: TableIdentifier,
      badRecordAction: String = "force",
      intervalSecond: Int = 2,
      handoffSize: Long = CarbonCommonConstants.HANDOFF_SIZE_DEFAULT,
      autoHandoff: Boolean = CarbonCommonConstants.ENABLE_AUTO_HANDOFF_DEFAULT.toBoolean,
      badRecordsPath: String = CarbonCommonConstants.CARBON_BADRECORDS_LOC_DEFAULT_VAL
  ): Thread = {
    new Thread() {
      override def run(): Unit = {
        var qry: StreamingQuery = null
        try {
          val readSocketDF = spark.readStream
            .format("socket")
            .option("host", "localhost")
            .option("port", port)
            .load()

          // Write data from socket stream to carbondata file
          // repartition to simulate an empty partition when readSocketDF has only one row
          qry = readSocketDF.repartition(2).writeStream
            .format("carbondata")
            .trigger(ProcessingTime(s"$intervalSecond seconds"))
            .option("checkpointLocation", CarbonTablePath.getStreamingCheckpointDir(carbonTable.getTablePath))
            .option("bad_records_action", badRecordAction)
            .option("BAD_RECORD_PATH", badRecordsPath)
            .option("dbName", tableIdentifier.database.get)
            .option("tableName", tableIdentifier.table)
            .option(CarbonStreamParser.CARBON_STREAM_PARSER,
              CarbonStreamParser.CARBON_STREAM_PARSER_CSV)
            .option(CarbonCommonConstants.HANDOFF_SIZE, handoffSize)
            .option("timestampformat", CarbonCommonConstants.CARBON_TIMESTAMP_DEFAULT_FORMAT)
            .option(CarbonCommonConstants.ENABLE_AUTO_HANDOFF, autoHandoff)
            .start()
          qry.awaitTermination()
        } catch {
          case ex: Throwable =>
            LOGGER.error(ex.getMessage)
            throw new Exception(ex.getMessage, ex)
        } finally {
          if (null != qry) {
            qry.stop()
          }
        }
      }
    }
  }

  /**
   * start ingestion thread: write `rowNumsEachBatch` rows repeatly for `batchNums` times.
   */
  def executeStreamingIngest(
      tableName: String,
      batchNums: Int,
      rowNumsEachBatch: Int,
      intervalOfSource: Int,
      intervalOfIngest: Int,
      continueSeconds: Int,
      generateBadRecords: Boolean,
      badRecordAction: String,
      handoffSize: Long = CarbonCommonConstants.HANDOFF_SIZE_DEFAULT,
      autoHandoff: Boolean = CarbonCommonConstants.ENABLE_AUTO_HANDOFF_DEFAULT.toBoolean,
      badRecordsPath: String = CarbonCommonConstants.CARBON_BADRECORDS_LOC_DEFAULT_VAL
  ): Unit = {
    val identifier = new TableIdentifier(tableName, Option("streaming"))
    val carbonTable = CarbonEnv.getInstance(spark).carbonMetaStore.lookupRelation(identifier)(spark)
      .asInstanceOf[CarbonRelation].metaData.carbonTable
    var server: ServerSocket = null
    try {
      server = getServerSocket()
      val thread1 = createWriteSocketThread(
        serverSocket = server,
        writeNums = batchNums,
        rowNums = rowNumsEachBatch,
        intervalSecond = intervalOfSource,
        badRecords = generateBadRecords)
      val thread2 = createSocketStreamingThread(
        spark = spark,
        port = server.getLocalPort,
        carbonTable = carbonTable,
        tableIdentifier = identifier,
        badRecordAction = badRecordAction,
        intervalSecond = intervalOfIngest,
        handoffSize = handoffSize,
        autoHandoff = autoHandoff,
        badRecordsPath = badRecordsPath)
      thread1.start()
      thread2.start()
      Thread.sleep(continueSeconds * 1000)
      thread2.interrupt()
      thread1.interrupt()
    } finally {
      if (null != server) {
        server.close()
      }
    }
  }

  def generateCSVDataFile(
      spark: SparkSession,
      idStart: Int,
      rowNums: Int,
      csvDirPath: String,
      saveMode: SaveMode = SaveMode.Overwrite,
      withDim: Boolean = true): Unit = {
    // Create csv data frame file
    val csvDataDF = if (withDim) {
      // generate data with dimension columns (name and city)
      val csvRDD = spark.sparkContext.parallelize(idStart until idStart + rowNums)
        .map { id =>
          (id,
            "name_" + id,
            "city_" + id,
            10000.00 * id,
            BigDecimal.valueOf(0.01),
            80.01,
            "1990-01-01",
            "2010-01-01 10:01:01",
            "2010-01-01 10:01:01",
            "school_" + id + "\002school_" + id + id + "\001" + id)
        }
      spark.createDataFrame(csvRDD).toDF(
        "id", "name", "city", "salary", "tax", "percent", "birthday", "register", "updated", "file")
    } else {
      // generate data without dimension columns
      val csvRDD = spark.sparkContext.parallelize(idStart until idStart + rowNums)
        .map { id =>
          (id % 3 + 1,
            10000.00 * id,
            BigDecimal.valueOf(0.01),
            80.01,
            "1990-01-01",
            "2010-01-01 10:01:01",
            "2010-01-01 10:01:01",
            "school_" + id + "\002school_" + id + id + "\001" + id)
        }
      spark.createDataFrame(csvRDD).toDF(
        "id", "salary", "tax", "percent", "birthday", "register", "updated", "file")
    }

    csvDataDF.write
      .option("header", "false")
      .mode(saveMode)
      .csv(csvDirPath)
  }

  def createFileStreamingThread(
      spark: SparkSession,
      carbonTable: CarbonTable,
      csvDataDir: String,
      intervalSecond: Int,
      tableIdentifier: TableIdentifier): Thread = {
    new Thread() {
      override def run(): Unit = {
        var qry: StreamingQuery = null
        try {
          val readSocketDF = spark.readStream.text(csvDataDir)

          // Write data from socket stream to carbondata file
          qry = readSocketDF.writeStream
            .format("carbondata")
            .trigger(ProcessingTime(s"${ intervalSecond } seconds"))
            .option("checkpointLocation", CarbonTablePath.getStreamingCheckpointDir(carbonTable.getTablePath))
            .option("dbName", tableIdentifier.database.get)
            .option("tableName", tableIdentifier.table)
            .option("timestampformat", CarbonCommonConstants.CARBON_TIMESTAMP_DEFAULT_FORMAT)
            .option(CarbonStreamParser.CARBON_STREAM_PARSER,
              CarbonStreamParser.CARBON_STREAM_PARSER_CSV)
            .start()

          qry.awaitTermination()
        } catch {
          case _: InterruptedException =>
            println("Done reading and writing streaming data")
        } finally {
          if (qry != null) {
            qry.stop()
          }
        }
      }
    }
  }

  def createTable(tableName: String, streaming: Boolean, withBatchLoad: Boolean): Unit = {
    sql(
      s"""
         | CREATE TABLE streaming.$tableName(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP
         | )
         | STORED BY 'carbondata'
         | TBLPROPERTIES(${if (streaming) "'streaming'='true', " else "" }
         | 'sort_columns'='name', 'dictionary_include'='city,register', 'BAD_RECORD_PATH'='$badRecordFilePath')
         | """.stripMargin)

    if (withBatchLoad) {
      // batch loading 5 rows
      executeBatchLoad(tableName)
    }
  }

  def createTableWithComplexType(
      tableName: String,
      streaming: Boolean,
      withBatchLoad: Boolean): Unit = {
    sql(
      s"""
         | CREATE TABLE streaming.$tableName(
         | id INT,
         | name STRING,
         | city STRING,
         | salary FLOAT,
         | tax DECIMAL(8,2),
         | percent double,
         | birthday DATE,
         | register TIMESTAMP,
         | updated TIMESTAMP,
         | file struct<school:array<string>, age:int>
         | )
         | STORED BY 'carbondata'
         | TBLPROPERTIES(${if (streaming) "'streaming'='true', " else "" }
         | 'sort_columns'='name', 'dictionary_include'='id,name,salary,tax,percent,updated', 'BAD_RECORD_PATH'='$badRecordFilePath')
         | """.stripMargin)

    if (withBatchLoad) {
      // batch loading 5 rows
      executeBatchLoad(tableName)
    }
  }

  def executeBatchLoad(tableName: String): Unit = {
    sql(
      s"LOAD DATA LOCAL INPATH '$dataFilePath' INTO TABLE streaming.$tableName OPTIONS" +
      "('HEADER'='true','COMPLEX_DELIMITER_LEVEL_1'='$', 'COMPLEX_DELIMITER_LEVEL_2'=':')")
  }

  def wrap(array: Array[String]) = {
    new mutable.WrappedArray.ofRef(array)
  }

  /**
   * get a ServerSocket
   * if the address was already used, it will retry to use new port number.
   *
   * @return ServerSocket
   */
  def getServerSocket(): ServerSocket = {
    var port = 7071
    var serverSocket: ServerSocket = null
    var retry = false
    do {
      try {
        retry = false
        serverSocket = new ServerSocket(port)
      } catch {
        case ex: BindException =>
          retry = true
          port = port + 2
          if (port >= 65535) {
            throw ex
          }
      }
    } while (retry)
    serverSocket
  }

  def findCarbonScanRDD(rdd: RDD[_]): RDD[_] = {
    if (rdd.isInstanceOf[CarbonScanRDD[_]]) {
      rdd
    } else {
      findCarbonScanRDD(rdd.dependencies(0).rdd)
    }
  }

  def partitionNums(sqlString : String): Int = {
    val rdd = findCarbonScanRDD(sql(sqlString).rdd)
    rdd.partitions.length
  }

}