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https://issues.apache.org/jira/browse/IOTDB-768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17237881#comment-17237881
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Jialin Qiao commented on IOTDB-768:
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Hi, currently it supports more aggregations but introduces a constraint that
the select only supports one series.
I will close this issue after this constraint is removed~
> Extend more functions in aggregation by level
> ---------------------------------------------
>
> Key: IOTDB-768
> URL: https://issues.apache.org/jira/browse/IOTDB-768
> Project: Apache IoTDB
> Issue Type: Wish
> Components: Core/Engine
> Reporter: Jialin Qiao
> Assignee: Wei Shao
> Priority: Major
> Labels: pull-request-available
>
> Now we only support count in aggregation by level, we could support more,
> such as avg, sum, max_time, min_time, first_value, last_value
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