15.10 - Example: Defining an SQL UDF With a Period Function in its RETURN Statement - 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 following CREATE FUNCTION request specifies a bound Period function (END) and a proximity function (PRIOR) in its RETURN statement.

     CREATE FUNCTION test.myudf (a PERIOD(TIME))
     RETURNS PERIOD(TIME)
     LANGUAGE SQL
     DETERMINISTIC
     CONTAINS SQL
     SPECIFIC test.myudf
     CALLED ON NULL INPUT
     SQL SECURITY DEFINER
     COLLATION INVOKER
     INLINE TYPE 1
     RETURN PRIOR(END(a));