[jira] [Commented] (SPARK-10195) Spark SQL's internal types should not be exposed via data sources Filter interfaces

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

    [ https://issues.apache.org/jira/browse/SPARK-10195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14710161#comment-14710161 ] 

Apache Spark commented on SPARK-10195:
--------------------------------------

User 'JoshRosen' has created a pull request for this issue:
https://github.com/apache/spark/pull/8403

> Spark SQL's internal types should not be exposed via data sources Filter interfaces
> -----------------------------------------------------------------------------------
>
>                 Key: SPARK-10195
>                 URL: https://issues.apache.org/jira/browse/SPARK-10195
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.4.0, 1.4.1, 1.5.0
>            Reporter: Josh Rosen
>            Assignee: Josh Rosen
>            Priority: Critical
>
> Spark SQL's data sources API exposes Catalyst's internal types through its Filter interfaces. This is a problem because types like UTF8String are not stable developer APIs and should not be exposed to third-parties.
> This issue caused incompatibilities when upgrading our {{spark-redshift}} library to work against Spark 1.5.0.  To avoid these issues in the future, the Filter interfaces should only expose public types.



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