[ https://issues.apache.org/jira/browse/SPARK-17357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Liang-Chi Hsieh updated SPARK-17357:
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    Summary: Simplified predicates should be able to pushdown through operators because of the rule order in Optimizer  (was: Simplified predicates should be able to pushdown through operators)

> Simplified predicates should be able to pushdown 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
>
> 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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