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https://issues.apache.org/jira/browse/IOTDB-750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17128037#comment-17128037
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Julian Feinauer commented on IOTDB-750:
---------------------------------------
To give you some Context [~qiaojialin]:
The reason why I wanted this feature because I discussed with [~hxd] about
having structured objects (Like JSON) to be stored in IoTDB. And how wuld they
be mapped?
And therefore we would need a field which allows "subfields" and thus is,
itself, a device.
> Allow Sub-Devices in IoTDB Server
> ---------------------------------
>
> Key: IOTDB-750
> URL: https://issues.apache.org/jira/browse/IOTDB-750
> Project: Apache IoTDB
> Issue Type: New Feature
> Components: Core/Engine
> Reporter: Julian Feinauer
> Assignee: Julian Feinauer
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2020-06-08-11-56-45-575.png,
> image-2020-06-08-11-57-00-833.png
>
>
> Currently, a Node is considered a Device if it has a measurement. Then it is
> not possible that this devices has a "subpath" which again is a device but
> only measurements.
>
> This should be changed so that a Device can also have "subdevices".
>
> Example:
> {code:java}
> CREATE TIMESERIES root.sg1.d1.s1 with datatype=INT32,encoding=RLE;
> CREATE TIMESERIES root.sg1.d1.d2.s1 with datatype=INT32,encoding=RLE;
> CREATE TIMESERIES root.sg1.d1.d2.s2 with datatype=INT32,encoding=RLE;
> {code}
> Currently the first command succeeds but the second and third fail.
> But they should also be possible.
>
> Note: Example above is from [~jixuan1989]
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