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https://issues.apache.org/jira/browse/HIVE-4935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13720395#comment-13720395
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Yin Huai commented on HIVE-4935:
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btw, this test passed on my laptop
> 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, 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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