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https://issues.apache.org/jira/browse/HIVE-701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12736332#action_12736332
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Ashish Thusoo commented on HIVE-701:
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This came up on show table status. It so happens as you pointed out that status
is being used for column names and if we put it into a keyword now, it will
break existing scripts. Any ideas on how to address this? I think this is going
to be tricky with antlr.
> lots of reserved keywords in hive
> ---------------------------------
>
> Key: HIVE-701
> URL: https://issues.apache.org/jira/browse/HIVE-701
> Project: Hadoop Hive
> Issue Type: New Feature
> Components: Query Processor
> Reporter: Namit Jain
>
> There is a problem if we want to use some reserved keywords:
> for example, creating a function of name left/right ? left/right is already a
> reserved keyword.
> The other way around should also be possible - if we want to add a 'show
> tables status' and some applications already use status as a column name,
> they should not break
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