Package org.apache.drill.exec.udfs.gis

Class STDistance

java.lang.Object

org.apache.drill.exec.udfs.gis.STDistance

All Implemented Interfaces:

DrillFunc, DrillSimpleFunc

public class STDistance
extends Object
implements DrillSimpleFunc

For geometry type Returns the 2D Cartesian distance between two geometries in projected units (based on spatial ref). For geography type defaults to return minimum geodesic distance between two geographies in meters

Constructor Summary

Constructors

Constructor	Description
STDistance()

Method Summary

Modifier and Type	Method	Description
void	eval()
void	setup()

Methods inherited from class java.lang.Object

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

Constructor Details

STDistance

public STDistance()

Method Details

setup

public void setup()

Specified by:

setup in interface DrillSimpleFunc

eval

public void eval()

Specified by:

eval in interface DrillSimpleFunc