16.20 - METHOD - Teradata Database - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL Data Definition Language Syntax and Examples

Product
Teradata Database
Teradata Vantage NewSQL Engine
Release Number
16.20
Published
March 2019
Language
English (United States)
Last Update
2019-05-24
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The name of the method to be used to convert a source UDT value to the target data type.

You cannot invoke an SQL UDF from a CREATE CAST or REPLACE CAST request.

method_name
A method associated with the specified UDT_name must exist with the same signature.
The method must satisfy the following conditions.
  • Associated UDT is the same as the source data type.
  • Declared parameter list is empty.
  • Result data type is the same as the target data type.
  • Must be deterministic.
If no method is found, an error is returned.
INSTANCE
The object is an instance method.
FOR UDT_name
The name of the UDT associated with method_name.