Zhihao Shen created IOTDB-6333:
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             Summary: Make UDTF execution framework batch processing
                 Key: IOTDB-6333
                 URL: https://issues.apache.org/jira/browse/IOTDB-6333
             Project: Apache IoTDB
          Issue Type: Improvement
          Components: Core/Query
            Reporter: Zhihao Shen
            Assignee: Zhihao Shen


The origin UDTF execution framework process one data point at time, which is 
inefficient. We can invent a new UDTF execution framework which process one 
batch at time. While lowering the function call times, it also reduce the copy 
significantly.



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