Josh Rosen created SPARK-9293:
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Summary: 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: Bug
Components: SQL
Reporter: Josh Rosen
Assignee: Josh Rosen
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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