Package org.apache.iotdb.db.qp.physical.crud

Interface UDFPlan

All Known Implementing Classes:

UDAFPlan, UDTFPlan

public interface UDFPlan

UDF execution plan.

The life cycle of an executor:

constructUdfExecutors -> initializeUdfExecutor -> finalizeUDFExecutors

Method Summary

Modifier and Type	Method	Description
void	constructUdfExecutors(java.util.List<ResultColumn> resultColumns)	Build the execution plan of the executors.
void	finalizeUDFExecutors(long queryId)	Call UDF finalization methods and release computing resources.

Method Detail

constructUdfExecutors

void constructUdfExecutors(java.util.List<ResultColumn> resultColumns)

Build the execution plan of the executors. This method will not create any UDF instances, nor will it execute user-defined logic.

finalizeUDFExecutors

void finalizeUDFExecutors(long queryId)

Call UDF finalization methods and release computing resources.