oracle.spatial.spark.vector.sql.udf.function

Class STAsWKT

java.lang.Object

oracle.spatial.spark.vector.sql.udf.function.STAsWKT

public class STAsWKT
extends java.lang.Object

Returns the well-known text (WKT) representation of the geometry. Format: ST_AsWKT(geometry ST_Geometry) - return the Well-Known Text (WKT) representation of geometry Example: select ST_AsWKT(ST_Point('{ "type": "Point", "coordinates": [0, 5]}', 8307)) from table LIMIT 1;

Constructor Summary

Constructors

Constructor and Description
STAsWKT()

Method Summary

Modifier and Type	Method and Description
java.lang.String	call(java.lang.String geometry) Execution call for AsWKT UDF

Methods inherited from class java.lang.Object

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

Constructor Detail

STAsWKT

public STAsWKT()

Method Detail

call

public java.lang.String call(java.lang.String geometry)
                      throws java.lang.Exception

Execution call for AsWKT UDF

Parameters:

geometry - Geometry parameter

Returns:

String the WKT representation of the geometry, null if there is an error

Throws:

java.lang.Exception