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https://issues.apache.org/jira/browse/HIVE-635?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zheng Shao updated HIVE-635:
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Attachment: HIVE-635.4.patch
Added comments to initializeOp method, explaining the logic of doing
transformation or not.
> UnionOperator fails when different inputs have different ObjectInspector (but
> the same TypeInfo)
> ------------------------------------------------------------------------------------------------
>
> Key: HIVE-635
> URL: https://issues.apache.org/jira/browse/HIVE-635
> Project: Hadoop Hive
> Issue Type: Bug
> Affects Versions: 0.3.0, 0.3.1
> Reporter: Zheng Shao
> Assignee: Zheng Shao
> Attachments: HIVE-635.1.patch, HIVE-635.3.patch, HIVE-635.4.patch
>
>
> The current UnionOperator code assumes the ObjectInspectors from all parents
> are the same.
> But in reality, they can be different, and UnionOperator needs to do
> conversion if necessary.
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