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

SQL Data Definition Language Syntax and Examples

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Published
September 2020
Language
English (United States)
Last Update
2021-01-23
dita:mapPath
wgr1555383704548.ditamap
dita:ditavalPath
lze1555437562152.ditaval
dita:id
B035-1144
lifecycle
previous
Product Category
Teradata Vantage™

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 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));