Github user kunal642 commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2951#discussion_r237779458
--- Diff:
integration/spark-common-cluster-test/src/test/scala/org/apache/carbondata/cluster/sdv/generated/datasource/CreateTableUsingSparkCarbonFileFormatTestCase.scala
---
@@ -0,0 +1,342 @@
+/*
+ * 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.cluster.sdv.generated.datasource
+
+import java.io.File
+import java.text.SimpleDateFormat
+import java.util.{Date, Random}
+import scala.collection.JavaConverters._
+import org.apache.commons.io.FileUtils
+import org.apache.commons.lang.RandomStringUtils
+import org.scalatest.BeforeAndAfterAll
+import org.apache.spark.util.SparkUtil
+import org.apache.carbondata.core.datastore.filesystem.CarbonFile
+import org.apache.carbondata.core.datastore.impl.FileFactory
+import org.apache.carbondata.core.metadata.datatype.DataTypes
+import org.apache.carbondata.core.util.{CarbonProperties, CarbonUtil,
DataFileFooterConverter}
+import org.apache.carbondata.sdk.file.{CarbonWriter, Field, Schema}
+import org.apache.spark.sql.Row
+import org.apache.spark.sql.common.util.QueryTest
+import org.apache.carbondata.core.constants.CarbonCommonConstants
+import org.apache.carbondata.core.datamap.DataMapStoreManager
+import org.apache.carbondata.core.metadata.AbsoluteTableIdentifier
+import org.apache.carbondata.core.metadata.blocklet.DataFileFooter
+
+class CreateTableUsingSparkCarbonFileFormatTestCase extends QueryTest with
BeforeAndAfterAll {
+
+ override def beforeAll(): Unit = {
+ sql("DROP TABLE IF EXISTS sdkOutputTable")
+ }
+
+ override def afterAll(): Unit = {
+ sql("DROP TABLE IF EXISTS sdkOutputTable")
+ }
+
+ var writerPath = new File(this.getClass.getResource("/").getPath
+ +
+ "../." +
+
"./src/test/resources/SparkCarbonFileFormat/WriterOutput/")
+ .getCanonicalPath
+ //getCanonicalPath gives path with \, but the code expects /.
+ writerPath = writerPath.replace("\\", "/");
+
+ def buildTestData(): Any = {
+
+ FileUtils.deleteDirectory(new File(writerPath))
+
+ val schema = new StringBuilder()
+ .append("[ \n")
+ .append(" {\"name\":\"string\"},\n")
+ .append(" {\"age\":\"int\"},\n")
+ .append(" {\"height\":\"double\"}\n")
+ .append("]")
+ .toString()
+
+ try {
+ val builder = CarbonWriter.builder()
+ val writer =
+
builder.outputPath(writerPath).withCsvInput(Schema.parseJson(schema)).writtenBy("CreateTableUsingSparkCarbonFileFormatTestCase").build()
+ var i = 0
+ while (i < 100) {
+ writer.write(Array[String]("robot" + i, String.valueOf(i),
String.valueOf(i.toDouble / 2)))
+ i += 1
+ }
+ writer.close()
+ } catch {
+ case _: Throwable => None
+ }
+ }
+
+ def cleanTestData() = {
+ FileUtils.deleteDirectory(new File(writerPath))
+ }
+
+ def deleteIndexFile(path: String, extension: String) : Unit = {
+ val file: CarbonFile = FileFactory
+ .getCarbonFile(path, FileFactory.getFileType(path))
+
+ for (eachDir <- file.listFiles) {
+ if (!eachDir.isDirectory) {
+ if (eachDir.getName.endsWith(extension)) {
+ CarbonUtil.deleteFoldersAndFilesSilent(eachDir)
+ }
+ } else {
+ deleteIndexFile(eachDir.getPath, extension)
+ }
+ }
+ }
+
+ test("Running SQL directly and read carbondata files (sdk Writer Output)
using the SparkCarbonFileFormat ") {
+ buildTestData()
+ assert(new File(writerPath).exists())
+ sql("DROP TABLE IF EXISTS sdkOutputTable")
+
+ //data source file format
+ if (SparkUtil.isSparkVersionEqualTo("2.1")) {
+ //data source file format
+ sql(s"""CREATE TABLE sdkOutputTable USING carbon OPTIONS (PATH
'$writerPath') """)
+ } else if (SparkUtil.isSparkVersionXandAbove("2.2")) {
+ //data source file format
+ sql(
+ s"""CREATE TABLE sdkOutputTable USING carbon LOCATION
+ |'$writerPath' """.stripMargin)
+ } else {
+ // TO DO
+ }
+
+ val directSQL = sql(s"""select * FROM
carbon.`$writerPath`""".stripMargin)
+ checkAnswer(sql("select * from sdkOutputTable"), directSQL)
+
+ sql("DROP TABLE sdkOutputTable")
+ // drop table should not delete the files
+ assert(new File(writerPath).exists())
+ cleanTestData()
+ }
+
+ // TODO: Make the sparkCarbonFileFormat to work without index file
+ test("Read sdk writer output file without Carbondata file should fail") {
+ buildTestData()
+ deleteIndexFile(writerPath, CarbonCommonConstants.FACT_FILE_EXT)
+ assert(new File(writerPath).exists())
+ sql("DROP TABLE IF EXISTS sdkOutputTable")
+
+ val exception = intercept[Exception] {
+ // data source file format
+ if (SparkUtil.isSparkVersionEqualTo("2.1")) {
+ //data source file format
+ sql(s"""CREATE TABLE sdkOutputTable USING carbon OPTIONS (PATH
'$writerPath') """)
+ } else if (SparkUtil.isSparkVersionXandAbove("2.2")) {
+ //data source file format
+ sql(
+ s"""CREATE TABLE sdkOutputTable USING carbon LOCATION
+ |'$writerPath' """.stripMargin)
+ } else{
+ // TO DO
--- End diff --
Need to handle for spark 2.3 also
---
