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From "Yin Huai (JIRA)" <>
Subject [jira] [Commented] (HIVE-4935) Potential NPE in MetadataOnlyOptimizer
Date Fri, 26 Jul 2013 00:11:48 GMT


Yin Huai commented on HIVE-4935:

right. If that tso does not have any needed column and it does not have a conf, MetadataOnlyOptimizer
will consider it as a possible TS. 
> Potential NPE in MetadataOnlyOptimizer
> --------------------------------------
>                 Key: HIVE-4935
>                 URL:
>             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

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