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https://issues.apache.org/jira/browse/CALCITE-823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14647090#comment-14647090
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Julian Hyde commented on CALCITE-823:
-------------------------------------

Also, consider using 'unset' rather than 'reset'. I think 'unset' is more 
typical in other programming languages. (Consider Perl and bash; they both have 
both unset and reset, and in each, reset does something entirely different.)

> Parser support to reset an option
> ---------------------------------
>
>                 Key: CALCITE-823
>                 URL: https://issues.apache.org/jira/browse/CALCITE-823
>             Project: Calcite
>          Issue Type: Improvement
>          Components: core
>            Reporter: Sudheesh Katkam
>            Assignee: Julian Hyde
>
> Specifically these statements:
> {code}
> ALTER scope RESET `option name`
> ALTER scope RESET ALL
> RESET `option name`
> RESET ALL
> SET `option name`
> {code}
> Additional tasks:
> + Make scope optional
> + Option name should be a CompoundIdentifier



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