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https://issues.apache.org/jira/browse/SPARK-13658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15190480#comment-15190480
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Apache Spark commented on SPARK-13658:
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User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/11647
> 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
>
> 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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