17.05 - Example: Invoking an SQL UDF From a Derived Table - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Data Manipulation Language

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
Published
January 2021
Language
English (United States)
Last Update
2021-01-22
dita:mapPath
vnq1596660420420.ditamap
dita:ditavalPath
hoy1596145193032.ditaval

This example invokes the SQL UDF value_expression in the select list of the derived table dt.

     SELECT *
     FROM (SELECT a1, test.value_expression(3,4), c1
           FROM t1
           WHERE a1>b1) AS dt (a,b,c);

This example invokes the SQL UDF value_expression in the WHERE clause of the derived table dt.

     SELECT *
     FROM (SELECT a1, b1, c1
           FROM t1
           WHERE test.value_expression(b1,c1)>10) AS dt (a,b,c);