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