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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/04/16 12:42:41 UTC
[jira] [Commented] (SPARK-20350) Apply Complementation Laws during
boolean expression simplification
[ https://issues.apache.org/jira/browse/SPARK-20350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15970372#comment-15970372 ]
Apache Spark commented on SPARK-20350:
--------------------------------------
User 'ptkool' has created a pull request for this issue:
https://github.com/apache/spark/pull/17650
> Apply Complementation Laws during boolean expression simplification
> -------------------------------------------------------------------
>
> Key: SPARK-20350
> URL: https://issues.apache.org/jira/browse/SPARK-20350
> Project: Spark
> Issue Type: Improvement
> Components: Optimizer
> Affects Versions: 2.1.0
> Reporter: Michael Styles
>
> Apply Complementation Laws during boolean expression simplification.
> * A AND NOT(A) == FALSE
> * A OR NOT(A) == TRUE
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