org.apache.drill.exec.udfs.gis

Class STUnionAggregate

java.lang.Object

org.apache.drill.exec.udfs.gis.STUnionAggregate

All Implemented Interfaces:

DrillAggFunc, DrillFunc

public class STUnionAggregate
extends Object
implements DrillAggFunc

Returns a geometry that represents the point set union of the Geometries

Constructor Summary

Constructors

Constructor and Description
STUnionAggregate()

Method Summary

Modifier and Type	Method and Description
void	add()
void	output()
void	reset()
void	setup() Initialization for the beginning of the aggregation.

Methods inherited from class java.lang.Object

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

Constructor Detail

STUnionAggregate

public STUnionAggregate()

Method Detail

setup

public void setup()

Description copied from interface: DrillAggFunc

Initialization for the beginning of the aggregation.

Specified by:

setup in interface DrillAggFunc

add

public void add()

Specified by:

add in interface DrillAggFunc

output

public void output()

Specified by:

output in interface DrillAggFunc

reset

public void reset()

Specified by:

reset in interface DrillAggFunc