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https://issues.apache.org/jira/browse/SPARK-9293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Armbrust resolved SPARK-9293.
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Resolution: Fixed
Fix Version/s: 1.5.0
Issue resolved by pull request 7631
[https://github.com/apache/spark/pull/7631]
> Analysis should detect when set operations are performed on tables with
> different numbers of columns
> ----------------------------------------------------------------------------------------------------
>
> Key: SPARK-9293
> URL: https://issues.apache.org/jira/browse/SPARK-9293
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Josh Rosen
> Assignee: Josh Rosen
> Fix For: 1.5.0
>
>
> Our SQL analyzer doesn't always enforce that set operations are only
> performed on relations with the same number of columns.
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