15.10 - METHOD - Teradata Database

Teradata Database SQL Data Definition Language Syntax and Examples

prodname
Teradata Database
vrm_release
15.10
created_date
December 2015
category
Programming Reference
featnum
B035-1144-151K

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.