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https://issues.apache.org/jira/browse/SPARK-5296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14319642#comment-14319642
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Michael Armbrust commented on SPARK-5296:
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As I mentioned on the mailing list, I think you are right about passing down a
tree. I would only pass down ORs though, as we already split up ANDs and
filter/pass them down already implicitly.
> Predicate Pushdown (BaseRelation) to have an interface that will accept OR
> filters
> ----------------------------------------------------------------------------------
>
> Key: SPARK-5296
> URL: https://issues.apache.org/jira/browse/SPARK-5296
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Corey J. Nolet
>
> Currently, the BaseRelation API allows a FilteredRelation to handle an
> Array[Filter] which represents filter expressions that are applied as an AND
> operator.
> We should support OR operations in a BaseRelation as well. I'm not sure what
> this would look like in terms of API changes, but it almost seems like a
> FilteredUnionedScan BaseRelation (the name stinks but you get the idea) would
> be useful.
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