[jira] [Commented] (SPARK-17540) SparkR array serde cannot work correctly when array length == 0

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-17540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15490790#comment-15490790 ] 

Apache Spark commented on SPARK-17540:
--------------------------------------

User 'WeichenXu123' has created a pull request for this issue:
https://github.com/apache/spark/pull/15097

> SparkR array serde cannot work correctly when array length == 0
> ---------------------------------------------------------------
>
>                 Key: SPARK-17540
>                 URL: https://issues.apache.org/jira/browse/SPARK-17540
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core, SparkR
>    Affects Versions: 2.1.0
>            Reporter: Weichen Xu
>
> SparkR cannot handle array serde when array length == 0
> when length = 0
> R side set the element type as class("somestring")
> so that scala side code receive it as a string array,
> but the array we need to transfer may be other types,
> it will cause problem.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org