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https://issues.apache.org/jira/browse/SPARK-12356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15067923#comment-15067923
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Hyukjin Kwon commented on SPARK-12356:
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Actually, I am not too sure if we have to implement this for ORC. ORC itself
does not filter rows cleanly but just returns possible results. Maybe for
{{IsNull}} or {{IsNotNull}} can be applicable though. I will look into this
deeper.
> Implement unhandledFilter interface for ORC
> -------------------------------------------
>
> Key: SPARK-12356
> URL: https://issues.apache.org/jira/browse/SPARK-12356
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 1.6.0
> Reporter: Hyukjin Kwon
> Priority: Critical
>
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