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https://issues.apache.org/jira/browse/SPARK-10195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin resolved SPARK-10195.
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Resolution: Fixed
Fix Version/s: 1.5.0
> 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
> Fix For: 1.5.0
>
>
> 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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