[jira] [Commented] (SPARK-1982) saveToParquetFile doesn't support ByteType

["Andre Schumacher (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-1982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14014945#comment-14014945 ] 

Andre Schumacher commented on SPARK-1982:
-----------------------------------------

It turns out that ByteType primitive types weren't correctly treated earlier. Since Parquet doesn't have these one fix is to use fixed-length byte arrays (which are treated as primitives also). This is fine until there will be support for nested types. Even then I think one may want to treat these as actual arrays and not primitives.

Anyway.. PR available here: https://github.com/apache/spark/pull/934

> saveToParquetFile doesn't support ByteType
> ------------------------------------------
>
>                 Key: SPARK-1982
>                 URL: https://issues.apache.org/jira/browse/SPARK-1982
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.0.0
>            Reporter: Michael Armbrust
>            Assignee: Andre Schumacher
>
> {code}
> java.lang.RuntimeException: Unsupported datatype ByteType
> 	at scala.sys.package$.error(package.scala:27)
> 	at org.apache.spark.sql.parquet.ParquetTypesConverter$.fromDataType(ParquetRelation.scala:201)
> ...
> {code}



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