17.05 - Example: Defining an SQL UDF With an External UDF in its RETURN Statement - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Data Definition Language Syntax and Examples

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
Release Date
January 2021
Content Type
Programming Reference
Publication ID
B035-1144-175K
Language
English (United States)

The following CREATE FUNCTION request invokes the external UDF my_external_udf from its RETURN statement.

     CREATE FUNCTION test.udf (a INTEGER)
     RETURNS INTEGER
     LANGUAGE SQL
     DETERMINISTIC
     CONTAINS SQL
     SPECIFIC test.udf
     CALLED ON NULL INPUT
     SQL SECURITY DEFINER
     COLLATION INVOKER
     INLINE TYPE 1
     RETURN a + SYSLIB.my_external_udf();