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Dongjoon Hyun updated SPARK-27685:
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Affects Version/s: 2.0.2
> `union` doesn't promote non-nullable columns of struct to nullable
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https://issues.apache.org/jira/browse/SPARK-27685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-27685:
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Affects Version/s: 2.1.3
> `union` doesn't promote non-nullable columns of struct to nullable
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https://issues.apache.org/jira/browse/SPARK-27685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-27685:
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Affects Version/s: 2.2.3
2.3.4
> `union` doesn't promote non-nullable
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Josh Rosen updated SPARK-27685:
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Labels: correctness (was: )
> `union` doesn't promote non-nullable columns of struct to nullable
>
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Huon Wilson updated SPARK-27685:
Description:
When doing a {{union}} of two dataframes, a column that is nullable in one of
the
