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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/03/14 02:00:00 UTC

[jira] [Commented] (SPARK-27152) Column equality does not work for aliased columns.

    [ https://issues.apache.org/jira/browse/SPARK-27152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16792248#comment-16792248 ] 

Hyukjin Kwon commented on SPARK-27152:
--------------------------------------

What does this matter?

> Column equality does not work for aliased columns.
> --------------------------------------------------
>
>                 Key: SPARK-27152
>                 URL: https://issues.apache.org/jira/browse/SPARK-27152
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.4.0
>            Reporter: Ryan Radtke
>            Priority: Major
>
> assert($"zip".as("zip_code") equals $"zip".as("zip_code")) will return false
> assert($"zip" equals $"zip") will return true.



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