/
CsvBasedCarbonTableSuite.scala
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/
CsvBasedCarbonTableSuite.scala
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.carbondata.spark.testsuite.externalformat
import org.apache.spark.sql.CarbonEnv
import org.apache.spark.sql.test.Spark2TestQueryExecutor
import org.apache.spark.sql.test.util.QueryTest
import org.scalatest.{BeforeAndAfterAll, BeforeAndAfterEach}
import org.apache.carbondata.core.constants.CarbonCommonConstants
import org.apache.carbondata.core.statusmanager.SegmentStatusManager
import org.apache.carbondata.core.util.CarbonProperties
import org.apache.carbondata.core.util.path.CarbonTablePath
class CsvBasedCarbonTableSuite extends QueryTest
with BeforeAndAfterEach with BeforeAndAfterAll {
val carbonTable = "fact_carbon_table"
val csvCarbonTable = "fact_carbon_csv_table"
val csvFile = s"$resourcesPath/datawithoutheader.csv"
val csvFile_delimiter_separator = s"$resourcesPath/datawithoutheader_delimiter_separator.csv"
// prepare normal carbon table for comparison
override protected def beforeAll(): Unit = {
sql(s"DROP TABLE IF EXISTS $carbonTable")
sql(
s"""
| CREATE TABLE $carbonTable(empno smallint, empname String, designation string,
| doj String, workgroupcategory int, workgroupcategoryname String,deptno int,
| deptname String, projectcode int, projectjoindate String,projectenddate String,
| attendance String, utilization String,salary String)
| STORED BY 'carbondata'
""".stripMargin
)
sql(
s"""
| LOAD DATA LOCAL INPATH '$csvFile' INTO TABLE $carbonTable
| OPTIONS('DELIMITER'=',',
| 'QUOTECHAR'='\"',
| 'FILEHEADER'='EMPno, empname,designation, doj, workgroupcategory, workgroupcategoryname, deptno, deptname, projectcode, projectjoindate, projectenddate, attendance, utilization, SALARY')
""".stripMargin)
}
override protected def afterAll(): Unit = {
sql(s"DROP TABLE IF EXISTS $carbonTable")
}
override protected def beforeEach(): Unit = {
sql(s"DROP TABLE IF EXISTS $csvCarbonTable")
}
override protected def afterEach(): Unit = {
sql(s"DROP TABLE IF EXISTS $csvCarbonTable")
}
private def checkQuery() {
// query all the columns
checkAnswer(sql(s"SELECT eMPno, empname,designation, doj, workgroupcategory, workgroupcategoryname, deptno, deptname, projectcode, projectjoindate, projectenddate, attendance, utilization, SALARY FROM $csvCarbonTable WHERE empno = 15"),
sql(s"SELECT eMPno, empname,designation, doj, workgroupcategory, workgroupcategoryname, deptno, deptname, projectcode, projectjoindate, projectenddate, attendance, utilization, SALARY FROM $carbonTable WHERE empno = 15"))
// query part of the columns
checkAnswer(sql(s"SELECT empno,empname, deptname, doj FROM $csvCarbonTable WHERE empno = 15"),
sql(s"SELECT empno,empname, deptname, doj FROM $carbonTable WHERE empno = 15"))
// sequence of projection column are not same with that in DDL
checkAnswer(sql(s"SELECT empname, empno, deptname, doj FROM $csvCarbonTable WHERE empno = 15"),
sql(s"SELECT empname, empno, deptname, doj FROM $carbonTable WHERE empno = 15"))
// query with greater
checkAnswer(sql(s"SELECT empname, empno, deptname, doj FROM $csvCarbonTable WHERE empno > 15"),
sql(s"SELECT empname, empno, deptname, doj FROM $carbonTable WHERE empno > 15"))
// query with filter on dimension
checkAnswer(sql(s"SELECT empname, empno, deptname, doj FROM $csvCarbonTable WHERE empname = 'ayushi'"),
sql(s"SELECT empname, empno, deptname, doj FROM $carbonTable WHERE empname = 'ayushi'"))
// aggreate query
checkAnswer(sql(s"SELECT designation, sum(empno), avg(empno) FROM $csvCarbonTable GROUP BY designation"),
sql(s"SELECT designation, sum(empno), avg(empno) FROM $carbonTable GROUP BY designation"))
}
test("test csv based carbon table") {
// create csv based carbon table
sql(
s"""
| CREATE TABLE $csvCarbonTable(empno smallint, empname String, designation string,
| doj String, workgroupcategory int, workgroupcategoryname String,deptno int,
| deptname String, projectcode int, projectjoindate String,projectenddate String,
| attendance String, utilization String,salary String)
| STORED BY 'carbondata'
| TBLPROPERTIES(
| 'format'='csv',
| 'csv.header'='eMPno, empname,designation, doj, workgroupcategory, workgroupcategoryname, deptno, deptname, projectcode, projectjoindate, projectenddate, attendance, utilization, SALARY'
| )
""".stripMargin
)
// check that the external format info is stored in tableinfo
val tblInfo =
CarbonEnv.getCarbonTable(Option("default"), csvCarbonTable)(Spark2TestQueryExecutor.spark)
assertResult("csv")(tblInfo.getTableInfo.getFormat)
assertResult(1)(tblInfo.getTableInfo.getFormatProperties.size())
assertResult(
"eMPno, empname,designation, doj, workgroupcategory, workgroupcategoryname, deptno, deptname, projectcode, projectjoindate, projectenddate, attendance, utilization, SALARY".toLowerCase)(
tblInfo.getTableInfo.getFormatProperties.get("csv.header"))
// add segment for csv based carbontable
sql(s"ALTER TABLE $csvCarbonTable ADD SEGMENT LOCATION '$csvFile'")
// check that the fact files has been stored in tablestatus
val metadataPath = CarbonTablePath.getMetadataPath(tblInfo.getTablePath)
val details = SegmentStatusManager.readLoadMetadata(metadataPath)
assertResult(1)(details.length)
assertResult(csvFile)(details(0).getFactFilePath)
CarbonProperties.getInstance().addProperty(CarbonCommonConstants.ENABLE_VECTOR_READER, "true")
// check query on csv based carbontable
// query with vector reader on
checkQuery()
CarbonProperties.getInstance().addProperty(CarbonCommonConstants.ENABLE_VECTOR_READER, "false")
// query with vector reader off
checkQuery()
CarbonProperties.getInstance().addProperty(CarbonCommonConstants.ENABLE_VECTOR_READER,
CarbonCommonConstants.ENABLE_VECTOR_READER_DEFAULT)
}
test("test csv based carbon table: only support csv now") {
val expectedException = intercept[Exception] {
sql(
s"""
| CREATE TABLE $csvCarbonTable(empname String, empno smallint, designation string,
| deptname String, projectcode int, projectjoindate String,projectenddate String,
| doj String, workgroupcategory int, workgroupcategoryname String,deptno int,
| attendance String, utilization String,salary String)
| STORED BY 'carbondata'
| TBLPROPERTIES(
| 'format'='parquet',
| 'csv.header'='eMPno, empname,designation, doj, workgroupcategory, workgroupcategoryname, deptno, deptname, projectcode, projectjoindate, projectenddate, attendance, utilization, SALARY'
| )
""".stripMargin
)
}
assert(expectedException.getMessage.contains("Unsupported external format parquet"))
}
test("test csv based carbon table: the sequence of header does not match schema") {
// create csv based carbon table, the sequence in schema is not the same in csv.header
sql(
s"""
| CREATE TABLE $csvCarbonTable(empname String, empno smallint, designation string,
| deptname String, projectcode int, projectjoindate String,projectenddate String,
| doj String, workgroupcategory int, workgroupcategoryname String,deptno int,
| attendance String, utilization String,salary String)
| STORED BY 'carbondata'
| TBLPROPERTIES(
| 'format'='csv',
| 'csv.header'='eMPno, empname,designation, doj, workgroupcategory, workgroupcategoryname, deptno, deptname, projectcode, projectjoindate, projectenddate, attendance, utilization, SALARY'
| )
""".stripMargin
)
// add segment for csv based carbontable
sql(s"ALTER TABLE $csvCarbonTable ADD SEGMENT LOCATION '$csvFile'")
CarbonProperties.getInstance().addProperty(CarbonCommonConstants.ENABLE_VECTOR_READER, "true")
// check query on csv based carbontable
// query with vector reader on
checkQuery()
CarbonProperties.getInstance().addProperty(CarbonCommonConstants.ENABLE_VECTOR_READER, "false")
// query with vector reader off
checkQuery()
CarbonProperties.getInstance().addProperty(CarbonCommonConstants.ENABLE_VECTOR_READER,
CarbonCommonConstants.ENABLE_VECTOR_READER_DEFAULT)
}
test("test csv based carbon table: not specify the header") {
// create csv based carbon table, the sequence in schema is not the same in csv.header
sql(
s"""
| CREATE TABLE $csvCarbonTable(empno smallint, empname String, designation string,
| doj String, workgroupcategory int, workgroupcategoryname String,deptno int,
| deptname String, projectcode int, projectjoindate String,projectenddate String,
| attendance String, utilization String,salary String)
| STORED BY 'carbondata'
| TBLPROPERTIES(
| 'format'='csv'
| )
""".stripMargin
)
// add segment for csv based carbontable
sql(s"ALTER TABLE $csvCarbonTable ADD SEGMENT LOCATION '$csvFile'")
CarbonProperties.getInstance().addProperty(CarbonCommonConstants.ENABLE_VECTOR_READER, "true")
// check query on csv based carbontable
// query with vector reader on
checkQuery()
CarbonProperties.getInstance().addProperty(CarbonCommonConstants.ENABLE_VECTOR_READER, "false")
// query with vector reader off
checkQuery()
CarbonProperties.getInstance().addProperty(CarbonCommonConstants.ENABLE_VECTOR_READER,
CarbonCommonConstants.ENABLE_VECTOR_READER_DEFAULT)
}
test("test csv based carbon table: user specified delimiter") {
// create csv based carbon table, the sequence in schema is not the same in csv.header
sql(
s"""
| CREATE TABLE $csvCarbonTable(empno smallint, empname String, designation string,
| doj String, workgroupcategory int, workgroupcategoryname String,deptno int,
| deptname String, projectcode int, projectjoindate String,projectenddate String,
| attendance String, utilization String,salary String)
| STORED BY 'carbondata'
| TBLPROPERTIES(
| 'format'='csv',
| 'csv.delimiter'='|'
| )
""".stripMargin
)
// add segment for csv based carbontable
sql(s"ALTER TABLE $csvCarbonTable ADD SEGMENT LOCATION '$csvFile_delimiter_separator'")
CarbonProperties.getInstance().addProperty(CarbonCommonConstants.ENABLE_VECTOR_READER, "true")
// check query on csv based carbontable
// query with vector reader on
checkQuery()
CarbonProperties.getInstance().addProperty(CarbonCommonConstants.ENABLE_VECTOR_READER, "false")
// query with vector reader off
checkQuery()
CarbonProperties.getInstance().addProperty(CarbonCommonConstants.ENABLE_VECTOR_READER,
CarbonCommonConstants.ENABLE_VECTOR_READER_DEFAULT)
}
}