Package org.apache.iotdb.db.mpp.transformation.dag.udf

Class UDTFContext

java.lang.Object

org.apache.iotdb.db.mpp.transformation.dag.udf.UDTFContext

public class UDTFContext
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.Map<java.lang.String,UDTFExecutor>	expressionName2Executor
protected java.time.ZoneId	zoneId

Constructor Summary

Constructors

Constructor	Description
UDTFContext(java.time.ZoneId zoneId)

Method Summary

Modifier and Type	Method	Description
void	constructUdfExecutors(java.util.List<ResultColumn> resultColumns)
void	constructUdfExecutors(Expression[] outputExpressions)
void	finalizeUDFExecutors(long queryId)
UDTFExecutor	getExecutorByFunctionExpression(FunctionExpression functionExpression)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

zoneId

protected final java.time.ZoneId zoneId

expressionName2Executor

protected java.util.Map<java.lang.String,UDTFExecutor> expressionName2Executor

Constructor Detail

UDTFContext

public UDTFContext(java.time.ZoneId zoneId)

Method Detail

constructUdfExecutors

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

constructUdfExecutors

public void constructUdfExecutors(Expression[] outputExpressions)

finalizeUDFExecutors

public void finalizeUDFExecutors(long queryId)

getExecutorByFunctionExpression

public UDTFExecutor getExecutorByFunctionExpression(FunctionExpression functionExpression)