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Posted to dev@iotdb.apache.org by "XiangweiWei (Jira)" <ji...@apache.org> on 2020/02/10 09:33:00 UTC

[jira] [Created] (IOTDB-468) Seperate AlignByDevicePlan from QueryPlan

XiangweiWei created IOTDB-468:
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             Summary: Seperate AlignByDevicePlan from QueryPlan
                 Key: IOTDB-468
                 URL: https://issues.apache.org/jira/browse/IOTDB-468
             Project: Apache IoTDB
          Issue Type: Improvement
            Reporter: XiangweiWei
            Assignee: XiangweiWei
             Fix For: master branch


The AlignByDevice query ( which is called groupByDevice before ) and general query aligning by time are both storaged in QueryPlan now. However, they invoke different query process  bascially, so it's necessary to restructure the QueryPlan and seperate the AlignByDeviceQuery from it.



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