SQL Definitions for the Cast Method - Advanced SQL Engine - Teradata Database

SQL External Routine Programming

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
17.00
Published
June 2020
Language
English (United States)
Last Update
2021-01-24
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dita:id
B035-1147
lifecycle
previous
Product Category
Teradata Vantage™

The following CREATE METHOD statement installs the cast method in the database:

CREATE METHOD VarcharCast()
   RETURNS VARCHAR(80)
   FOR circle_t
   EXTERNAL NAME 'CS!c_cast!udmsrc/c_cast.c!F!circle_t_Cast';

The following statement registers the VarcharCast UDM as a cast routine for the circle_t UDT:

CREATE CAST (circle_t AS VARCHAR(80))
   WITH SPECIFIC METHOD circle_t_Cast
   AS ASSIGNMENT;