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https://issues.apache.org/jira/browse/SPARK-19615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon updated SPARK-19615:
---------------------------------
    Labels: bulk-closed  (was: )

> Provide Dataset union convenience for divergent schema
> ------------------------------------------------------
>
>                 Key: SPARK-19615
>                 URL: https://issues.apache.org/jira/browse/SPARK-19615
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.1.0
>            Reporter: Nick Dimiduk
>            Priority: Major
>              Labels: bulk-closed
>
> Creating a union DataFrame over two sources that have different schema 
> definitions is surprisingly complex. Provide a version of the union method 
> that will create a infer a target schema as the result of merging the 
> sources. Automatically add extend either side with {{null}} columns for any 
> missing columns that are nullable.



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