Steve Yurong Su created IOTDB-3313:
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Summary: UDF Optimization: Reduce boxing/unboxing overhead in UDF
InputLayer / OutputLayer
Key: IOTDB-3313
URL: https://issues.apache.org/jira/browse/IOTDB-3313
Project: Apache IoTDB
Issue Type: Task
Components: Core/Query
Reporter: Steve Yurong Su
Assignee: Hang Zhang
可能的实现路径：
# 定义 UDF 新的接口类 UDTFMap
# 为含有 UDTFMap 接口类的 UDF 查询做专门的优化（去掉 UDF 的输入、输出层）
Possible implementation path:
1. Define the new interface of UDF: UDTFMAP
2. Make special optimization for UDF queries with UDTFMAP interface classes
(remove the input and output layer of UDF)
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