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Posted to issues@calcite.apache.org by "Xurenhe (Jira)" <ji...@apache.org> on 2022/03/29 12:31:00 UTC

[jira] [Commented] (CALCITE-5066) Support variables with “@" and “@@" prefixes (like MySQL)

    [ https://issues.apache.org/jira/browse/CALCITE-5066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17514057#comment-17514057 ] 

Xurenhe commented on CALCITE-5066:
----------------------------------

[~aochagavia] 

This sql just like mysql, which querying system parameter.

But, I want to know your opinion about parsing the syntax of "@@version".

SqlIdentifier? SqlCall? or another.

> Support variables with “@" and “@@" prefixes (like MySQL)
> ---------------------------------------------------------
>
>                 Key: CALCITE-5066
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5066
>             Project: Calcite
>          Issue Type: Improvement
>          Components: core
>            Reporter: Adolfo Ochagavía
>            Priority: Minor
>
> For context, see the [last email of the thread|https://lists.apache.org/thread/q5b0135rptn59b9b2fkglw65fs1rsb62] (for some reason, the link to the thread itself does not seem to show all emails in the conversation).
> cc [~julianhyde] [~greenlion] 



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