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https://issues.apache.org/jira/browse/IOTDB-47?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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suyue closed IOTDB-47.
----------------------
> Aggregate Module
> ----------------
>
> Key: IOTDB-47
> URL: https://issues.apache.org/jira/browse/IOTDB-47
> Project: Apache IoTDB
> Issue Type: New Feature
> Reporter: suyue
> Assignee: suyue
> Priority: Major
> Labels: features, pull-request-available
> Original Estimate: 168h
> Time Spent: 20m
> Remaining Estimate: 167h 40m
>
> Aggregate query is a kind of query commonly used in database applications.
> IOTDB will support nine queries: count (), max_value (), max_time (),
> min_value, min_time (), first (), last (), mean () and sum (). All
> aggregation functions inherit the same super class, so if new aggregation
> functions are needed in the future, they can be easily extended.
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