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

SQL Data Definition Language Syntax and Examples

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
Published
January 2021
Language
English (United States)
Last Update
2021-01-22
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dita:id
B035-1144
lifecycle
previous
Product Category
Teradata Vantage™

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();