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From "Cheng Lian (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-12131) Cannot create ExpressionEncoder for Array[T] where T is a nested class
Date Thu, 03 Dec 2015 16:39:11 GMT
Cheng Lian created SPARK-12131:
----------------------------------

             Summary: Cannot create ExpressionEncoder for Array[T] where T is a nested class
                 Key: SPARK-12131
                 URL: https://issues.apache.org/jira/browse/SPARK-12131
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.6.0
            Reporter: Cheng Lian
            Assignee: Cheng Lian


The following snippet reproduces this issue under {{spark-shell}}:

{noformat}
import sqlContext._
case class N(i: Int)
case class T(a: Array[N])
val ds = Seq(T(Array(N(1)))).toDS
ds.show()
{noformat}

Note that, classes defined in Scala REPL are inherently nested.



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