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https://issues.apache.org/jira/browse/SPARK-27152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16793251#comment-16793251
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Hyukjin Kwon commented on SPARK-27152:
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So, in which case is it important?
> Column equality does
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Ryan Radtke commented on SPARK-27152:
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If you are abstracting elt then it important. Also, its just
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Hyukjin Kwon commented on SPARK-27152:
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What does this matter?
> Column equality does not work for
