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From "Marco Gaido (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-25691) Analyzer rule "AliasViewChild" does not stabilize
Date Sat, 13 Oct 2018 17:26:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-25691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16649035#comment-16649035
] 

Marco Gaido commented on SPARK-25691:
-------------------------------------

I think this is actually an instance of a bigger problem, that is we don't always compare
properly attributes, ie. we don't always use semantic equality and this may cause bad behaviors
(eg. two attributes considered different only for the case while we should be case insensitive
and so on). I am going to submit a PR for this. I'll reference this ticket despite I think
the scope is bigger. Let me know if you prefer me to open a different one instead. Thanks.

> Analyzer rule "AliasViewChild" does not stabilize
> -------------------------------------------------
>
>                 Key: SPARK-25691
>                 URL: https://issues.apache.org/jira/browse/SPARK-25691
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.4.0
>            Reporter: Maryann Xue
>            Priority: Major
>
> To reproduce the issue: https://github.com/apache/spark/pull/22060/files#diff-f70523b948b7af21abddfa3ab7e1d7d6R73.



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