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Posted to issues@spark.apache.org by "Michael Armbrust (JIRA)" <ji...@apache.org> on 2015/04/12 20:51:12 UTC

[jira] [Commented] (SPARK-6412) Add Char support in dataTypes.

    [ https://issues.apache.org/jira/browse/SPARK-6412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14491645#comment-14491645 ] 

Michael Armbrust commented on SPARK-6412:
-----------------------------------------

Can you describe your use case more.  Adding datatypes is pretty expensive as they touch *many* parts of the system.  Could we just convert chars into StringType internally?

> Add Char support in dataTypes.
> ------------------------------
>
>                 Key: SPARK-6412
>                 URL: https://issues.apache.org/jira/browse/SPARK-6412
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Chen Song
>
> We can't get the schema of case class PrimitiveData, because of ScalaReflection.schemaFor and dataTYpes doesn't support CharType.
> case class PrimitiveData(
>     charField: Char,    // Can't get the char schema info
>     intField: Int,
>     longField: Long,
>     doubleField: Double,
>     floatField: Float,
>     shortField: Short,
>     byteField: Byte,
>     booleanField: Boolean)



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