[jira] [Resolved] (SPARK-12131) Cannot create ExpressionEncoder for Array[T] where T is a nested class

["Cheng Lian (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-12131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Cheng Lian resolved SPARK-12131.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0

Resolved by https://github.com/apache/spark/pull/10239

> 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
>             Fix For: 2.0.0
>
>
> 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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