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https://issues.apache.org/jira/browse/IOTDB-1160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17286922#comment-17286922
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weizihan commented on IOTDB-1160:
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And I support that "*" matches one level and "**" matches multiple levels.
> should they the same? "delete storage group root.sg" and "delete storage
> group root.sg.*"
> ------------------------------------------------------------------------------------------
>
> Key: IOTDB-1160
> URL: https://issues.apache.org/jira/browse/IOTDB-1160
> Project: Apache IoTDB
> Issue Type: Bug
> Affects Versions: 0.11.1
> Reporter: Xiangdong Huang
> Priority: Major
> Attachments: image-2021-02-19-01-43-40-882.png,
> image-2021-02-19-16-14-24-767.png
>
>
> Now, they have the same effect:
> !image-2021-02-19-01-43-40-882.png|width=395,height=143!
>
> - should they be the same?
> I think it is dangerous if we have two sgs, root.sg1 and root.sg2, and the
> user mistakenly runs `delete storage group root` while he/she just wants to
> delete one of them.
> - should "*" match multiple levels?
> It seems that in other statements, a "*" only match one level.
> maybe we can support "**" to match multiple levels.
>
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