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https://issues.apache.org/jira/browse/SPARK-13658?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Armbrust updated SPARK-13658:
-------------------------------------
    Assignee: Liang-Chi Hsieh

> BooleanSimplification rule is slow with large boolean expressions
> -----------------------------------------------------------------
>
>                 Key: SPARK-13658
>                 URL: https://issues.apache.org/jira/browse/SPARK-13658
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Davies Liu
>            Assignee: Liang-Chi Hsieh
>             Fix For: 2.0.0
>
>
> When run TPCDS Q3 [1] with lots predicates to filter out the partitions, the 
> optimizer rule BooleanSimplification take about 2 seconds (it use lots of 
> sematicsEqual, which require copy the whole tree).
> It will great if we could speedup it.
> [1] https://github.com/cloudera/impala-tpcds-kit/blob/master/queries/q3.sql
> cc [~marmbrus]



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