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From "Hyukjin Kwon (Jira)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-28836) Improve canonicalize API
Date Fri, 23 Aug 2019 08:43:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-28836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16914059#comment-16914059
] 

Hyukjin Kwon commented on SPARK-28836:
--------------------------------------

Sure, that's fine but [~afroozeh] please clarify what issue it is in the JIRA description.
What problem is there with {{canonicalize}} and what does this JIRA mean?

> Improve canonicalize API
> ------------------------
>
>                 Key: SPARK-28836
>                 URL: https://issues.apache.org/jira/browse/SPARK-28836
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Ali Afroozeh
>            Priority: Minor
>
> This PR improves the `canonicalize` API by removing the method `def canonicalize(attrs:
AttributeSeq): PlanExpression[T]` in `PlanExpression` and taking care of normalizing expressions
in `QueryPlan`.



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