[jira] [Comment Edited] (SPARK-7701) UDT not working

["Liang-Chi Hsieh (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-7701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14550087#comment-14550087 ] 

Liang-Chi Hsieh edited comment on SPARK-7701 at 5/19/15 9:12 AM:
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You should wrap ExamplePoint in Products (i.e., case classes or tuples). Then your problem should be solved.


was (Author: viirya):
You should wrap ExamplePoint in Products (i.e., case classes or tuples).

> UDT not working
> ---------------
>
>                 Key: SPARK-7701
>                 URL: https://issues.apache.org/jira/browse/SPARK-7701
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.3.0, 1.3.1
>            Reporter: bogdan baraila
>
> Using a UserDefinedType fails with the next exception: 
> {code}
> ExamplePointUDT cannot be cast to org.apache.spark.sql.types.StructType
> java.lang.ClassCastException: 
> ExamplePointUDT cannot be cast to org.apache.spark.sql.types.StructType
> 	at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:316)
> {code}
> I'm using a basic example with the ExamplePointUdt from spark framework:
> {code}
>   test("udt serialisation") {
>     val points = Seq(new ExamplePoint(1.3, 1.6), new ExamplePoint(1.3, 1.8))
>     val df = SparkContextForStdout.context.parallelize(points).toDF()
>   }
> {code}



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