Julian Feinauer created IOTDB-528:
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             Summary: [GRAFANA] Implicitly do GROUP BY to avoid sending to many 
data over the wire
                 Key: IOTDB-528
                 URL: https://issues.apache.org/jira/browse/IOTDB-528
             Project: Apache IoTDB
          Issue Type: Improvement
          Components: Connectors/Grafana
            Reporter: Julian Feinauer


When using itodb-grafana integration through SimpleJson it seems like it does 
not do any aggregation at all.

In situations where one selects a big time range it should do some subsampling 
with group by to limit the number of rows being sent.



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