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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-25280) Add support for USING syntax for DataSourceV2
Date Thu, 30 Aug 2018 08:51:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-25280?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-25280:
------------------------------------

    Assignee: Apache Spark

> Add support for USING syntax for DataSourceV2
> ---------------------------------------------
>
>                 Key: SPARK-25280
>                 URL: https://issues.apache.org/jira/browse/SPARK-25280
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.4.0
>            Reporter: Hyukjin Kwon
>            Assignee: Apache Spark
>            Priority: Major
>
> {code}
> class SourcesTest extends SparkFunSuite {
>   val spark = SparkSession.builder().master("local").getOrCreate()
>   test("Test CREATE TABLE ... USING - v1") {
>     spark.read.format(classOf[SimpleDataSourceV1].getCanonicalName).load()
>   }
>   test("Test DataFrameReader - v1") {
>     spark.sql(s"CREATE TABLE tableA USING ${classOf[SimpleDataSourceV1].getCanonicalName}")
>   }
>   test("Test CREATE TABLE ... USING - v2") {
>     spark.read.format(classOf[SimpleDataSourceV2].getCanonicalName).load()
>   }
>   test("Test DataFrameReader - v2") {
>     spark.sql(s"CREATE TABLE tableB USING ${classOf[SimpleDataSourceV2].getCanonicalName}")
>   }
> }
> {code}
> {code}
> org.apache.spark.sql.sources.v2.SimpleDataSourceV2 is not a valid Spark SQL Data Source.;
> org.apache.spark.sql.AnalysisException: org.apache.spark.sql.sources.v2.SimpleDataSourceV2
is not a valid Spark SQL Data Source.;
> 	at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:385)
> 	at org.apache.spark.sql.execution.command.CreateDataSourceTableCommand.run(createDataSourceTables.scala:78)
> 	at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult$lzycompute(commands.scala:70)
> 	at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult(commands.scala:68)
> 	at org.apache.spark.sql.execution.command.ExecutedCommandExec.executeCollect(commands.scala:79)
> 	at org.apache.spark.sql.Dataset$$anonfun$6.apply(Dataset.scala:190)
> 	at org.apache.spark.sql.Dataset$$anonfun$6.apply(Dataset.scala:190)
> 	at org.apache.spark.sql.Dataset$$anonfun$54.apply(Dataset.scala:3296)
> 	at org.apache.spark.sql.execution.SQLExecution$$anonfun$withNewExecutionId$1.apply(SQLExecution.scala:78)
> 	at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:125)
> 	at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:73)
> 	at org.apache.spark.sql.Dataset.withAction(Dataset.scala:3295)
> 	at org.apache.spark.sql.Dataset.<init>(Dataset.scala:190)
> 	at org.apache.spark.sql.Dataset$.ofRows(Dataset.scala:75)
> 	at org.apache.spark.sql.SparkSession.sql(SparkSession.scala:641)
> 	at org.apache.spark.sql.sources.v2.SourcesTest$$anonfun$4.apply(DataSourceV2Suite.scala:45)
> 	at org.apache.spark.sql.sources.v2.SourcesTest$$anonfun$4.apply(DataSourceV2Suite.scala:45)
> 	at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
> 	at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
> 	at org.scalatest.Transformer.apply(Transformer.scala:22)
> 	at org.scalatest.Transformer.apply(Transformer.scala:20)
> 	at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:186)
> 	at org.scalatest.TestSuite$class.withFixture(TestSuite.scala:196)
> 	at org.scalatest.FunSuite.withFixture(FunSuite.scala:1560)
> 	at org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:183)
> 	at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:196)
> 	at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:196)
> 	at org.scalatest.SuperEngine.runTestImpl(Engine.scala:289)
> 	at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:196)
> 	at org.scalatest.FunSuite.runTest(FunSuite.scala:1560)
> 	at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:229)
> 	at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:229)
> 	at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:396)
> 	at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:384)
> 	at scala.collection.immutable.List.foreach(List.scala:392)
> 	at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:384)
> 	at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:379)
> 	at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:461)
> 	at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:229)
> 	at org.scalatest.FunSuite.runTests(FunSuite.scala:1560)
> 	at org.scalatest.Suite$class.run(Suite.scala:1147)
> 	at org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1560)
> 	at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:233)
> 	at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:233)
> 	at org.scalatest.SuperEngine.runImpl(Engine.scala:521)
> 	at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:233)
> 	at org.scalatest.FunSuite.run(FunSuite.scala:1560)
> 	at org.scalatest.tools.SuiteRunner.run(SuiteRunner.scala:45)
> 	at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$1.apply(Runner.scala:1340)
> 	at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$1.apply(Runner.scala:1334)
> 	at scala.collection.immutable.List.foreach(List.scala:392)
> 	at org.scalatest.tools.Runner$.doRunRunRunDaDoRunRun(Runner.scala:1334)
> 	at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1011)
> 	at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1010)
> 	at org.scalatest.tools.Runner$.withClassLoaderAndDispatchReporter(Runner.scala:1500)
> 	at org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:1010)
> 	at org.scalatest.tools.Runner$.run(Runner.scala:850)
> 	at org.scalatest.tools.Runner.run(Runner.scala)
> 	at org.jetbrains.plugins.scala.testingSupport.scalaTest.ScalaTestRunner.runScalaTest2(ScalaTestRunner.java:131)
> 	at org.jetbrains.plugins.scala.testingSupport.scalaTest.ScalaTestRunner.main(ScalaTestRunner.java:28)
> {code}
> Currently, {{USING}} syntax does not work with Datasource V2. So that developers (Datasource
V1) can easily migrate and users can use {{USING}} syntax from Datasource v1, we better support
this case as well.
> There's a discussion thread about this here as well - http://apache-spark-developers-list.1001551.n3.nabble.com/DISCUSS-USING-syntax-for-Datasource-V2-td24754.html



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