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https://issues.apache.org/jira/browse/SPARK-17357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-17357.
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Resolution: Incomplete
> Simplified predicates can't be pushed down through operators because of the
> rule order in Optimizer
> ---------------------------------------------------------------------------------------------------
>
> Key: SPARK-17357
> URL: https://issues.apache.org/jira/browse/SPARK-17357
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Liang-Chi Hsieh
> Priority: Major
> Labels: bulk-closed
>
> In Optimizer, Filter operator will go through the rules PushDownPredicate,
> CombineFilters and BooleanSimplification.
> Under this rule order, it is possibly that some predicates that should be
> able to push down, can't be pushed down through operators.
> We should fix it.
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