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From: "Yin Huai (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (HIVE-4935) Potential NPE in MetadataOnlyOptimizer
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     [ https://issues.apache.org/jira/browse/HIVE-4935?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yin Huai updated HIVE-4935:
---------------------------

    Status: Patch Available  (was: Open)
    
> Potential NPE in MetadataOnlyOptimizer
> --------------------------------------
>
>                 Key: HIVE-4935
>                 URL: https://issues.apache.org/jira/browse/HIVE-4935
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Yin Huai
>            Assignee: Yin Huai
>            Priority: Minor
>         Attachments: HIVE-4935.1.patch
>
>
> In MetadataOnlyOptimizer.TableScanProcessor.process, it is possible that we consider a TableScanOperator as "MayBeMetadataOnly" when this TS does not have a conf. In MetadataOnlyOptimizer.MetadataOnlyTaskDispatcher.dispatch(Node, Stack<Node>, Object...), when we convert this TS, we want to get the alias from its conf....

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