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https://issues.apache.org/jira/browse/SPARK-17821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan updated SPARK-17821:
--------------------------------
    Assignee: Liang-Chi Hsieh

> Expression Canonicalization should support Add and Or
> -----------------------------------------------------
>
>                 Key: SPARK-17821
>                 URL: https://issues.apache.org/jira/browse/SPARK-17821
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Liang-Chi Hsieh
>            Assignee: Liang-Chi Hsieh
>             Fix For: 2.1.0
>
>
> Currently {{Canonicalize}} object doesn't support {{And}} and {{Or}}. So we 
> can compare canonicalized form of predicates consistently. We should add the 
> support.



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