SQL Definition - Advanced SQL Engine - Teradata Database

SQL External Routine Programming

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Published
July 2021
Language
English (United States)
Last Update
2021-07-27
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B035-1147
lifecycle
previous
Product Category
Teradata Vantageā„¢

Here is the SQL definition of a VARCHARUDT distinct UDT.

CREATE TYPE VARCHARUDT AS VARCHAR(20000) FINAL;

The table AggrDataTable defines a VARCHARUDT column.

CREATE TABLE AggrDataTable (aggrID int, aggrName varcharudt);

The following CREATE FUNCTION statement installs the aggregate function:

CREATE FUNCTION udf_agch002002udt  (parameter_1 VARCHARUDT)
   RETURNS VARCHARUDT   
   CLASS AGGREGATE (20000)
   LANGUAGE C  
   NO SQL
   EXTERNAL NAME 'CS!udf_agch002002udt!udf_agch002002udt.c'
   PARAMETER STYLE SQL;