Package org.apache.iotdb.db.query.udf.example

Class ConstValue

java.lang.Object

org.apache.iotdb.db.query.udf.example.ConstValue

All Implemented Interfaces:

UDF, UDTF

public class ConstValue
extends Object
implements UDTF

Constructor Summary

Constructors

Constructor	Description
ConstValue()

Method Summary

Modifier and Type	Method	Description
void	beforeStart(UDFParameters parameters, UDTFConfigurations configurations)
void	transform(Row row, PointCollector collector)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.iotdb.udf.api.UDF

beforeDestroy, validate

Methods inherited from interface org.apache.iotdb.udf.api.UDTF

terminate, transform, transform, transform, transform

Constructor Details

ConstValue

public ConstValue()

Method Details

beforeStart

public void beforeStart(UDFParameters parameters,
 UDTFConfigurations configurations)

Specified by:

beforeStart in interface UDTF

transform

public void transform(Row row,
 PointCollector collector)
               throws Exception

Specified by:

transform in interface UDTF

Throws:

Exception