16.20 - getWKT() - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL External Routine Programming

Product
Advanced SQL Engine
Teradata Database
Release Number
16.20
Release Date
April 2020
Content Type
Programming Reference
Publication ID
B035-1147-162K
Language
English (United States)

Purpose

Retrieves the Well-Known Text (WKT) representation of an ST_Geometry value as an InputStream. The ST_Geometry value must be an input parameter to a Java UDF or an IN or INOUT parameter of a Java external stored procedure.

Syntax

public java.io.InputStream getWKT()
                      throws java.sql.SQLException

Return Value

A java.io.InputStream object in the Latin character set.

Exceptions

Throws SQLException if a database access error occurs. Returns the following database specific error code: 9747 (ERRUDFJAVAGEOM)<Failed to retrieve WKT value>.