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https://issues.apache.org/jira/browse/ACCUMULO-3494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14281226#comment-14281226
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Corey J. Nolet commented on ACCUMULO-3494:
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This was supposed to be for the Spark JIRA...
> Predicate pushdown API (BaseRelation) to push down OR operators
> ---------------------------------------------------------------
>
> Key: ACCUMULO-3494
> URL: https://issues.apache.org/jira/browse/ACCUMULO-3494
> Project: Accumulo
> Issue Type: Improvement
> Reporter: Corey J. Nolet
>
> Currently, the BaseRelation API allows a FilteredRelation to handle an
> Array[Filter] which represents a bunch of filter operations that are applied
> as an AND- that is, the set returned should be the intersection of all of the
> given filters.
> It would be very much useful if OR operations could be applied 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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