[jira] [Created] (IOTDB-5364) Refactor Count TimeSeries Group By Level based on SchemaReader

["Yukun Zhou (Jira)" <ji...@apache.org>]

Yukun Zhou created IOTDB-5364:
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             Summary: Refactor Count TimeSeries Group By Level based on SchemaReader
                 Key: IOTDB-5364
                 URL: https://issues.apache.org/jira/browse/IOTDB-5364
             Project: Apache IoTDB
          Issue Type: Improvement
            Reporter: Yukun Zhou
            Assignee: Yukun Zhou
             Fix For: master branch


Currently, the LevelTimeSeriesCountOperator, serving feature "count timeseries group by level", is implemented by invoking SchemaRegion interfaces directly, which is unable to be interrupt and brings burden to SchemaRegion business logic.

Since we want SchemaRegion to only provide the basic SchemaReader, we refactor the implementation of LevelTimeSeriesCountOperator to extract the group by and counting logic from SchemaRegion. Based on SchemaReader, it is more flexible to interrupt the process and release resources.



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