[jira] [Updated] (SPARK-11803) Dataset self join returns incorrect result

["Michael Armbrust (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-11803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Armbrust updated SPARK-11803:
-------------------------------------
    Assignee: Wenchen Fan

> Dataset self join returns incorrect result
> ------------------------------------------
>
>                 Key: SPARK-11803
>                 URL: https://issues.apache.org/jira/browse/SPARK-11803
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Reynold Xin
>            Assignee: Wenchen Fan
>             Fix For: 1.6.0
>
>
> See the test case in https://github.com/apache/spark/pull/9789
> {code}
>   ignore("self join") {
>     val ds = Seq("1", "2").toDS().as("a")
>     val joined = ds.joinWith(ds, lit(true))
>     checkAnswer(joined, ("1", "1"), ("1", "2"), ("2", "1"), ("2", "2"))
>   }
> {code}



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