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https://issues.apache.org/jira/browse/IOTDB-910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17263128#comment-17263128
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Houliang Qi commented on IOTDB-910:
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one solution is to add the create/update time in the tags of the timeseries,
when we create timeseries or update timeseries, we can change the create/update
time in the tags. in other words, we can add two default tags with the
timeseries, that is create time and update time.
further on, how about adding one map<String, Object> in every MNode, then we
can add create time and update time in the device node.
> Support time range interval query of metadata(timeseries,devices) and so on
> ---------------------------------------------------------------------------
>
> Key: IOTDB-910
> URL: https://issues.apache.org/jira/browse/IOTDB-910
> Project: Apache IoTDB
> Issue Type: New Feature
> Components: Core/Engine
> Reporter: Houliang Qi
> Priority: Major
>
> Maybe we can treate the metadata(timeseries) as special data like the
> timeseries's values. and support metadata query like data query.
> One way to do this is to add the metadata to one metadata_table, like the
> information_schema.tables of mysql.
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