[jira] [Created] (SPARK-8328) Add a CheckAnalysis rule to ensure that Union branches have the same schema

[Cheng Lian (JIRA)]

Cheng Lian created SPARK-8328:
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             Summary: Add a CheckAnalysis rule to ensure that Union branches 
have the same schema
                 Key: SPARK-8328
                 URL: https://issues.apache.org/jira/browse/SPARK-8328
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 1.4.0
            Reporter: Cheng Lian
            Assignee: Cheng Lian






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