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https://issues.apache.org/jira/browse/HIVE-18277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16293818#comment-16293818
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ZhangBing Lin commented on HIVE-18277:
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[~lirui],can you plz take a quick review?

> Use subtraction and addition should be a good tips when type not support with 
> hplsql
> ------------------------------------------------------------------------------------
>
>                 Key: HIVE-18277
>                 URL: https://issues.apache.org/jira/browse/HIVE-18277
>             Project: Hive
>          Issue Type: Bug
>          Components: hpl/sql
>    Affects Versions: 3.0.0
>            Reporter: ZhangBing Lin
>            Assignee: ZhangBing Lin
>            Priority: Minor
>         Attachments: HIVE-18277.1.patch, HIVE-18277.2.patch
>
>
> When users use subtraction and addition, when type does not support,it should 
> not return a null value, but should provide a information that  Unsupported 
> data types



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