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https://issues.apache.org/jira/browse/SPARK-7142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14740563#comment-14740563
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Apache Spark commented on SPARK-7142:
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User 'saucam' has created a pull request for this issue:
https://github.com/apache/spark/pull/8716
> Minor enhancement to BooleanSimplification Optimizer rule
> ---------------------------------------------------------
>
> Key: SPARK-7142
> URL: https://issues.apache.org/jira/browse/SPARK-7142
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Yash Datta
> Assignee: Yash Datta
> Priority: Minor
> Fix For: 1.6.0
>
>
> Add simplification using these rules :
> A and (not(A) or B) => A and B
> not(A and B) => not(A) or not(B)
> not(A or B) => not(A) and not(B)
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