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https://issues.apache.org/jira/browse/HIVE-10799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14637657#comment-14637657
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Owen O'Malley commented on HIVE-10799:
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Given that ORC files currently have the value for char columns space-padded, we 
need to make the sarg code expand the literals to be padded to the right width. 
I don't think we need a CHAR type in the sarg API.

> Refactor the SearchArgumentFactory to remove the dependence on 
> ExprNodeGenericFuncDesc
> --------------------------------------------------------------------------------------
>
>                 Key: HIVE-10799
>                 URL: https://issues.apache.org/jira/browse/HIVE-10799
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>         Attachments: HIVE-10799.patch, HIVE-10799.patch, HIVE-10799.patch, 
> HIVE-10799.patch, HIVE-10799.patch
>
>
> SearchArgumentFactory and SearchArgumentImpl are high level and shouldn't 
> depend on the internals of Hive's AST model.



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